Norflurazepam

Norflurazepam (N-desalkylflurazepam, desalkylflurazepam) represents a specialised benzodiazepine compound utilised extensively within forensic toxicology, analytical chemistry, pharmaceutical research, and scientific investigation sectors across international markets. As the primary active metabolite of flurazepam and a pharmacologically significant benzodiazepine derivative in its own right, this compound serves critical functions as an analytical reference standard for chromatographic method development, mass spectrometry calibration, toxicological screening, and sophisticated chemical identification workflows supporting post-mortem investigations, workplace drug testing, therapeutic drug monitoring, and benzodiazepine pharmacology research worldwide.

At realchemsupply.com, we maintain professional supply relationships with qualified organisations requiring consistent access to high-purity benzodiazepine reference materials. Our international B2B procurement infrastructure supports forensic toxicology laboratories, pharmaceutical research institutions, analytical facilities, clinical laboratories, and universities across Europe, North America, Asia-Pacific, Latin America, and other global markets where professional chemical sourcing demands reliability, comprehensive documentation, and supply chain consistency.

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What Are Norflurazepam Products?

Overview and Chemical Classification

Norflurazepam belongs to the benzodiazepine chemical class, a category of bicyclic compounds structurally characterised by a fused benzene and diazepine ring system. These materials feature a characteristic 1,4-benzodiazepine core with various substitutions at the 1, 2, 5, and 7 positions influencing pharmacological and analytical properties. Norflurazepam specifically represents the N-desalkyl metabolite of flurazepam, lacking the diethylaminoethyl side chain present in the parent compound, resulting in distinct physicochemical properties, metabolic pathways, and forensic relevance.

The chemical architecture positions norflurazepam as:

• A primary pharmacologically active metabolite of flurazepam with significant forensic relevance
• A benzodiazepine compound with GABA-A receptor modulating properties
• A long-acting benzodiazepine with extended elimination half-life
• A critical reference material for benzodiazepine toxicology and metabolism studies

Professional organisations utilise these materials primarily for:

• Forensic reference standards in post-mortem toxicology and impaired driving investigations
• Metabolite identification in flurazepam metabolism and biotransformation studies
• Therapeutic drug monitoring calibration and method validation
• Workplace drug testing confirmation and cross-reactivity assessment
• Pharmaceutical research examining benzodiazepine pharmacokinetics and dynamics
• Analytical method development for benzodiazepine screening and confirmation

General Characteristics

Benzodiazepine reference materials such as norflurazepam exhibit characteristic physical and chemical properties relevant to professional handling and analytical applications:

• Molecular structure: 7-chloro-1-(2-fluorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one (desalkylflurazepam)
• Chemical class: 1,4-Benzodiazepine / flurazepam metabolite
• Analytical behaviour: Distinctive chromatographic retention characteristics and mass spectral fragmentation patterns suitable for definitive identification via LC-MS/MS and GC-MS
• Stability considerations: Generally stable under appropriate storage conditions, though light-sensitive and requiring protection from photodegradation
• Solubility characteristics: Soluble in organic solvents including methanol, acetonitrile, and dimethyl sulfoxide; limited aqueous solubility requiring pH adjustment or organic co-solvents

Industrial and Laboratory Relevance

Professional organisations source benzodiazepine metabolite reference standards for several critical workflow applications:

Forensic Toxicology Laboratories require certified reference materials for:

• Post-mortem toxicology screening and confirmation of benzodiazepine exposure
• Differentiation of parent drug versus metabolite exposure
• Impaired driving and drug-facilitated crime investigations
• Cross-reactivity assessment for immunoassay screening platforms
• Quantitative confirmation via LC-MS/MS methodologies
• Interpretation of flurazepam use based on metabolite patterns

Clinical and Therapeutic Drug Monitoring Facilities utilise these materials for:

• Calibration of therapeutic drug monitoring assays
• Pharmacokinetic studies and half-life determination
• Patient compliance monitoring method validation
• Drug interaction studies involving benzodiazepine metabolism

Pharmaceutical Research and Development employs reference standards for:

• Flurazepam metabolism and biotransformation studies
• Active metabolite pharmacokinetic characterisation
• Formulation development and stability testing
• Regulatory submission support for new drug applications

Workplace Drug Testing Laboratories conduct:

• Benzodiazepine screening panel validation
• Confirmation testing for safety-sensitive positions
• Cross-reactivity studies with structurally related compounds
• Chain of custody and legal defensibility requirements

University Research Departments investigate:

• Benzodiazepine receptor binding and pharmacology
• Cytochrome P450 metabolism and enzyme kinetics
• Structure-activity relationships within the benzodiazepine class
• Graduate-level training in forensic toxicology and analytical chemistry

Procurement Considerations

Professional buyers evaluating benzodiazepine metabolite reference materials should assess:

Documentation Integrity: Certificates of Analysis (CoA) demonstrating batch-specific purity, identity confirmation via multiple orthogonal analytical techniques (NMR, MS, IR), and analytical methodology employed for quality verification.

Supply Consistency: Reliable sourcing ensuring batch-to-batch reproducibility for longitudinal toxicology monitoring programmes, multi-site clinical studies, and method validation requiring standardised reference materials.

Storage Stability: Understanding photodegradation pathways, temperature sensitivity, and appropriate storage protocols (typically -20°C, protected from light) to maintain analytical integrity.

Regulatory Compliance: Verification that procurement, possession, and utilisation align with applicable jurisdictional regulations governing benzodiazepines, forensic reference materials, and controlled substance analogues. Norflurazepam may be subject to specific scheduling in various jurisdictions.

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Types of Products Available

Product Formats

Norflurazepam and related benzodiazepine metabolite reference materials may be available in various formats depending on the specific product, intended application, and supplier capabilities:

Solid Forms

• Powder: Fine crystalline material suitable for precise gravimetric preparation of working standards, calibration curves, and research preparations
• Crystals: Well-defined crystalline forms potentially offering enhanced stability and ease of quality assessment
• Salts: Hydrochloride or other salt forms potentially modifying solubility and handling properties

Liquid Preparations

• Methanolic solutions: Standardised solutions in methanol for direct use in analytical workflows
• Acetonitrile preparations: Alternative solvent systems for specific chromatographic applications
• Concentrated stocks: High-concentration solutions requiring dilution for specific application concentrations

Reference Standard Preparations

• Certified reference materials: Materials accompanied by comprehensive analytical documentation, uncertainty values, and traceability to international standards
• Research-grade standards: High-purity materials suitable for method development, training, and research applications

Availability Considerations

The exact product form, formulation, specification, packaging, and availability depend entirely on the individual product and current inventory. Benzodiazepine reference materials may vary in availability based on synthesis complexity, regulatory scheduling status, and demand patterns across different international markets. realchemsupply.com recommends contacting our technical services team to confirm specific product configurations, regulatory status, and current availability.

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Industrial and Professional Applications

Forensic Toxicology and Post-Mortem Analysis

Forensic Laboratories utilise norflurazepam reference materials within:

• Post-mortem toxicology: Detection and quantification in biological specimens from death investigations, particularly cases involving suspected benzodiazepine intoxication
• Impaired driving investigations: Confirmation of benzodiazepine exposure in drug driving cases and traffic safety programmes
• Drug-facilitated crime: Analysis of biological samples in cases involving suspected benzodiazepine administration
• Differentiation of flurazepam use: Distinguishing between parent drug administration and metabolite presence

Toxicological Interpretation requires understanding:

• Flurazepam metabolism pathways yielding norflurazepam as primary active metabolite
• Extended elimination half-life of norflurazepam compared to parent compound
• Post-mortem redistribution considerations
• Tolerance and dependence factors affecting interpretation

Clinical and Therapeutic Applications

Clinical Laboratories employ reference standards for:

• Therapeutic drug monitoring: Assessing patient compliance and optimal dosing
• Pharmacokinetic studies: Characterising absorption, distribution, metabolism, and elimination
• Drug interaction assessments: Evaluating effects of co-administered medications on benzodiazepine metabolism
• Special populations: Paediatric, geriatric, and hepatic impairment pharmacokinetics

Pharmaceutical Research and Development

Drug Development Programmes investigate:

• Metabolite profiling: Comprehensive characterisation of flurazepam biotransformation
• Active metabolite contribution: Quantifying norflurazepam’s contribution to overall pharmacological effect
• Formulation optimisation: Understanding how formulation affects metabolism and metabolite ratios
• Regulatory submissions: Supporting new drug applications with comprehensive metabolism data

Analytical Chemistry and Method Development

Commercial Analytical Laboratories perform:

• LC-MS/MS method development: Creating sensitive and specific assays for benzodiazepine detection
• Cross-reactivity studies: Evaluating immunoassay performance with norflurazepam and related compounds
• Matrix effects investigation: Understanding ion suppression or enhancement in biological samples
• Stability studies: Determining analyte stability under various storage and processing conditions

Quality Control Laboratories conduct:

• Reference standard verification: Confirming identity and purity of in-house standards
• Instrument calibration: Maintaining accurate quantification across analytical platforms
• Proficiency testing: Participating in external quality assessment schemes

Academic and Research Applications

University Research explores:

• Benzodiazepine receptor pharmacology: Structure-activity relationships and binding affinity
• Metabolic enzyme characterisation: CYP450 involvement in benzodiazepine metabolism
• Forensic science education: Training future toxicologists in benzodiazepine analysis
• Analytical technique innovation: Developing novel detection methodologies

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Quality Standards and Procurement Considerations

Product Quality Assessment

Professional buyers should evaluate several quality dimensions when sourcing benzodiazepine metabolite reference materials:

Purity Specifications: Analytical purity levels typically ≥98% determined by HPLC-UV, qNMR, or equivalent methodologies, with clear acceptance criteria.

Identity Confirmation: Comprehensive verification via proton and carbon NMR spectroscopy, high-resolution mass spectrometry (HRMS), infrared spectroscopy, and melting point determination.

Batch Consistency: Historical quality data demonstrating reproducible specifications across production batches, essential for longitudinal toxicology monitoring.

Impurity Profiles: Understanding related substance content, residual solvents, and potential synthetic by-products.

Documentation Requirements

Safety Data Sheets (SDS): Comprehensive safety documentation including GHS classification, handling precautions, and regulatory scheduling information. Availability depends on specific product and jurisdiction.

Certificates of Analysis (CoA): Detailed batch documentation including:

• Analytical results and test methodologies
• Chromatographic purity assessment
• Spectroscopic identity confirmation
• Expiry dating and recommended retest intervals
• Storage conditions and stability data

Traceability: Chain of custody documentation supporting legal defensibility and regulatory compliance.

Supply Chain Reliability

Sourcing Transparency: Verification of supplier quality systems, synthetic capabilities, and regulatory compliance history.

Inventory Management: Consistent availability for time-sensitive forensic casework and ongoing monitoring programmes.

Communication Standards: Responsive technical support for analytical, regulatory, and logistical queries.

Order Fulfilment: Reliable processing with appropriate security and documentation for controlled substances where applicable.

International Logistics Considerations

Cross-border procurement of benzodiazepine reference materials requires particular attention to:

• Import/export regulations: Compliance with international drug control conventions and national scheduling laws
• Controlled substance documentation: Import permits, export licences, and end-user certificates where required
• Secure transport: Chain of custody procedures and tamper-evident packaging
• Customs clearance: Proper classification and declaration to prevent delays

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Product Forms

Commonly Available Configurations

Norflurazepam reference materials may be encountered in several physical forms:

Powder Form: Fine crystalline material offering flexibility for gravimetric preparation. Requires careful handling and protection from light and moisture.

Crystalline Solid: Well-defined crystals potentially offering enhanced stability and ease of quality visualisation.

Salt Forms: Various acid addition salts potentially modifying solubility characteristics for specific applications.

Standard Solutions: Pre-prepared methanolic or acetonitrile solutions eliminating preparation variability and ensuring concentration accuracy.

Form Selection Considerations

Selection depends on:

• Analytical platform requirements (LC-MS/MS, GC-MS, immunoassay)
• Solvent compatibility and matrix matching needs
• Storage infrastructure capabilities
• Regulatory and chain-of-custody requirements
• Preparation efficiency and workflow optimisation

Availability varies by product and should be confirmed with realchemsupply.com.

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Packaging Options

Standard Professional Packaging

Small-Scale Quantities

• 10 mg to 100 mg: Amber glass vials with chemically resistant closures, suitable for forensic standard preparation and research
• 250 mg to 500 mg: Larger configurations for extensive method validation

Medium-Scale Quantities

• 1 g to 5 g: Professional packaging for high-throughput forensic laboratories
• 10 g to 25 g: Larger quantities for commercial reagent preparation

Bulk Quantities

• Subject to availability, regulatory considerations, and commercial agreements

Packaging Specifications

Professional packaging includes:

• Light protection: Amber glass or opaque containers preventing photodegradation
• Moisture barriers: Desiccant and sealed secondary packaging
• Security features: Tamper-evident seals where appropriate
• Documentation: Comprehensive labelling and chain-of-custody support

Custom Solutions

Available subject to regulatory compliance, commercial volume, and specific requirements.

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Storage and Handling

General Professional Storage Guidelines

Temperature Control

• Recommended storage at -20°C for extended stability
• Refrigerated storage (+4°C) acceptable for shorter periods
• Temperature monitoring and documentation for forensic standards

Environmental Protection

• Protection from light essential due to photodegradation susceptibility
• Dry conditions to prevent hydrolysis
• Inert atmosphere where specified

Container Management

• Properly sealed containers when not in use
• Original packaging maintained for chain of custody
• Secondary containment for spillage prevention

Handling Protocols

Workplace Safety

• Consult Safety Data Sheets for specific hazards
• Appropriate PPE including gloves and eye protection
• Engineering controls for powder handling

Contamination Prevention

• Clean, dry equipment for sample removal
• Avoid cross-contamination with other benzodiazepines
• Proper disposal of waste materials

Regulatory Compliance

• Storage according to controlled substance regulations where applicable
• Security measures for high-value or scheduled materials
• Inventory management and usage documentation

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Why Choose realchemsupply.com?

Professional Chemical Sourcing

Established relationships with manufacturers of high-purity benzodiazepine reference materials, evaluated for quality systems and regulatory compliance.

International B2B Service

Supporting qualified customers across:

• Europe: Germany, France, Netherlands, Belgium, Spain, Italy, UK, Switzerland, and EU markets
• North America: United States, Canada, and Mexico
• Asia-Pacific: Australia, Japan, South Korea, Singapore, and New Zealand
• Latin America: Brazil, Argentina, Chile, Colombia, and Mexico
• Middle East and Africa: UAE, Saudi Arabia, Israel, South Africa, Nigeria, and Kenya

Controlled Substance Expertise

Understanding of regulatory requirements for benzodiazepine procurement, import/export licensing, and secure documentation.

Bulk and Wholesale Procurement

• Volume pricing for recurring orders
• Scheduled deliveries for monitoring programmes
• Custom specifications where permitted

Professional Customer Support

• Regulatory guidance for benzodiazepine procurement
• Technical consultation for analytical methods
• Documentation support for customs and compliance

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Industries We Supply

Forensic Toxicology Laboratories

Post-mortem analysis, impaired driving investigations, and drug-facilitated crime casework requiring benzodiazepine metabolite standards.

Clinical and Hospital Laboratories

Therapeutic drug monitoring, emergency toxicology, and patient compliance testing facilities.

Pharmaceutical Companies

Research and development, metabolism studies, and regulatory submission support.

Workplace Drug Testing Providers

Safety-sensitive position screening and confirmation testing programmes.

Universities and Research Institutions

Pharmacology research, forensic science education, and analytical chemistry training.

Government and Public Health Laboratories

Epidemiological monitoring, policy development support, and proficiency testing administration.

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Global Chemical Supply

International Sourcing Capabilities

Professional procurement infrastructure for benzodiazepine reference materials with regulatory compliance expertise.

Cross-Border Support

• Export licensing assistance where required
• Import permit guidance
• Customs documentation and classification
• Secure chain-of-custody procedures

Regional Coverage

Comprehensive support across major markets with understanding of regional regulatory variations for benzodiazepines.

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Global Location-Based SEO

Major Markets

Europe: Berlin, Frankfurt, Munich, Paris, Amsterdam, London, Madrid, Barcelona, Milan, Rome, Zurich, Vienna, Stockholm, Copenhagen

North America: New York, Los Angeles, Boston, San Francisco, Chicago, Toronto, Vancouver, Mexico City

Asia-Pacific: Sydney, Melbourne, Tokyo, Osaka, Seoul, Singapore, Mumbai, Delhi

Middle East and Africa: Dubai, Riyadh, Tel Aviv, Johannesburg, Cape Town, Lagos, Nairobi

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Why International Industrial Buyers Choose realchemsupply.com

Regulatory Expertise

Understanding of benzodiazepine scheduling and controlled substance procurement requirements across jurisdictions.

Reliable Supply

Consistent availability of high-purity reference materials for time-sensitive forensic and clinical applications.

Professional Documentation

Comprehensive CoA, SDS, and chain-of-custody support meeting legal defensibility requirements.

Secure Logistics

Appropriate packaging and transport for controlled substances with customs clearance expertise.

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Frequently Asked Questions — Global SEO FAQ

What is norflurazepam?

Norflurazepam (N-desalkylflurazepam) is the primary active metabolite of flurazepam, a benzodiazepine compound used as an analytical reference standard in forensic toxicology, therapeutic drug monitoring, and pharmaceutical research applications.

Who purchases norflurazepam reference materials?

Qualified purchasers include forensic toxicology laboratories, clinical laboratories conducting therapeutic drug monitoring, pharmaceutical research facilities, workplace drug testing laboratories, and academic research institutions.

Why is norflurazepam important in forensic toxicology?

As the primary active metabolite of flurazepam with extended elimination half-life, norflurazepam often provides better detection windows than the parent compound and is essential for accurate interpretation of flurazepam use.

Are bulk quantities available?

Bulk quantities may be available subject to regulatory considerations, synthesis capacity, and appropriate licensing. Contact realchemsupply.com to discuss specific requirements.

What analytical methods are used for norflurazepam detection?

LC-MS/MS is the primary methodology for forensic and clinical applications, with GC-MS and immunoassay screening also employed. Reference materials support method validation and confirmation.

How should norflurazepam be stored?

Storage at -20°C protected from light is recommended to maintain stability. Product-specific guidance appears on Certificates of Analysis and Safety Data Sheets.

Is norflurazepam a controlled substance?

Regulatory status varies by jurisdiction. Buyers should verify applicable scheduling and licensing requirements in their location prior to procurement.

Does realchemsupply.com supply internationally?

Yes, subject to applicable export and import regulations for benzodiazepine compounds. Appropriate documentation and licensing are required.

What documentation is provided?

Certificates of Analysis, Safety Data Sheets, and chain-of-custody documentation supporting forensic and regulatory requirements.

How can I request a quotation?

Contact via website enquiry or commercial services email with organisation details, intended application, quantities, and delivery location.

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Conclusion

Norflurazepam represents a critical benzodiazepine metabolite reference material essential for forensic toxicology, therapeutic drug monitoring, pharmaceutical research, and analytical chemistry applications. Professional organisations require consistent access to high-purity, well-documented standards supporting accurate interpretation of flurazepam use and benzodiazepine exposure.

realchemsupply.com serves as a professional international supplier supporting qualified laboratories, clinical facilities, research institutions, and pharmaceutical organisations with reliable access to benzodiazepine reference materials. Our expertise in regulatory compliance, secure logistics, and professional documentation supports the demanding requirements of forensic and clinical toxicology.

Contact realchemsupply.com for wholesale enquiries, regulatory guidance, and supply partnership discussions.