Buy 7-ADD Powder for Advanced Laboratory Research in the USA and Europe

7-ADD (systematically designated as 7-amino-desmethyl-diazepam, 7-amino-nordazepam, or 7-amino-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one) represents a critical analytical reference standard within the benzodiazepine metabolite class, serving indispensable roles in forensic toxicology, clinical pharmacology, and mass spectral library development for European and USA laboratory environments. As a primary oxidative metabolite of nordazepam (desmethyldiazepam) and a secondary metabolite of diazepam, 7-ADD is essential for benzodiazepine screening confirmation, metabolic pathway elucidation, and quantitative toxicological analysis. Roid Chem Store stands as the definitive USA AND European source for this rigorously characterised compound, supplying analytical-grade 7-ADD powder at 99% purity to research institutions, CROs, and pharmaceutical R&D facilities committed to reproducible, publishable outcomes. Our commitment to scientific rigour ensures every batch meets the stringent purity and documentation standards demanded by modern analytical chemistry.

Uncompromising Purity and Analytical Characterisation

Every batch of 7-ADD Powder supplied by Roid Chem Store is guaranteed to exhibit a minimum purity of 99%, as verified through comprehensive orthogonal analytical methodologies including high-performance liquid chromatography (HPLC), gas chromatography-mass spectrometry (GC-MS), nuclear magnetic resonance (NMR) spectroscopy, and Fourier-transform infrared spectroscopy (FTIR). This multi-technique validation approach ensures not only accurate quantification of the principal analyte but also definitive structural confirmation, distinguishing 7-amino-desmethyl-diazepam from related benzodiazepine metabolites such as 7-aminoclonazepam, 7-aminoflunitrazepam, 7-aminonitrazepam, nordazepam, oxazepam, and other amino- or hydroxy-substituted benzodiazepine derivatives.

Each shipment is accompanied by a batch-specific Certificate of Analysis (CoA) bearing a unique lot number, documenting the complete analytical profile including assay value, residual solvent analysis (compliant with ICH Q3C guidelines), and heavy metal content limits (typically <10 ppm for lead, cadmium, mercury, and arsenic). The CoA serves as an essential quality assurance document for laboratory managers during procurement validation and regulatory compliance audits, providing traceability from synthesis through final release testing. Certified reference materials for 7-amino-benzodiazepines including 7-aminonitrazepam (CAS 4928-02-3, molecular formula C₁₅H₁₃N₃O, MW 251.28 g/mol) are available from suppliers such as LGC Standards and TRC, underscoring the importance of high-purity standards for forensic and clinical applications.pubchem.ncbi.nlm.nih+2

The physical presentation of 7-ADD as a white to off-white crystalline powder offers distinct advantages for analytical flexibility: the compound presents as a microcrystalline or amorphous solid with consistent particle size distribution, facilitating rapid dissolution and homogeneous stock solution preparation in organic solvents. This powdered form enables precise gravimetric dispensing for custom concentration requirements in calibration curves and mass spectral calibration protocols. The powder undergoes particle size analysis to confirm consistency across batches, a critical specification for quantitative analytical workflows requiring reproducible dissolution kinetics in forensic and clinical toxicology assays. 7-Amino-benzodiazepines including 7-ADD have been reported as crystalline solids with molecular formula C₁₅H₁₂ClN₃O (for 7-aminoclonazepam) or C₁₅H₁₃N₃O (for 7-aminonitrazepam), with molecular weights in the range 251–285 g/mol depending on substitution pattern.pubchem.ncbi.nlm.nih+2

This level of purity and physical uniformity is non-negotiable for reproducible, publishable research outcomes in forensic toxicology and clinical benzodiazepine monitoring. Lower-grade industrial reagents, often lacking comprehensive CoA documentation or exhibiting purity below 98%, introduce unacceptable variability in retention time alignment, mass spectral fragmentation patterns, and quantitative calibration curves. For laboratories developing validated LC-MS/MS or GC-MS methods for 7-amino-benzodiazepine metabolite detection, only analytically characterised reference materials meeting 99% purity specifications can ensure method accuracy, precision, and regulatory acceptance.

Principal Laboratory Applications and Research Methodologies

Forensic Toxicology & Clinical Benzodiazepine Analysis: 7-ADD serves as a certified reference material (CRM) for mass spectral library development in LC-MS/MS and GC-MS platforms used in forensic toxicology, workplace drug testing, impaired driving investigations, and post-mortem analysis. The compound’s well-characterised fragmentation pattern under electron ionisation (EI) and electrospray ionisation (ESI) conditions enables definitive identification in complex biological matrices including urine, blood, serum, and oral fluid, supporting method validation for confirmatory testing protocols targeting 7-amino-benzodiazepine metabolites. European and USA forensic laboratories utilise 7-ADD reference standards for proficiency testing schemes and benzodiazepine monitoring programmes, ensuring analytical competency in detecting diazepam and nordazepam metabolism within the 1,4-benzodiazepin-2-one class. Validated MRM transitions for 7-amino-benzodiazepines including 7-ADD detection include the molecular ion [M+H]⁺ and characteristic 7-amino-1,4-benzodiazepin-2-one fragments, with molecular formula C₁₅H₁₃N₃O (for 7-aminonitrazepam analogue) and molecular weight ~251.28 g/mol enabling precise mass detection in high-resolution mass spectrometry (HRMS) workflows. Detection limits in validated methods typically reach 5–50 ng/mL in urine and blood matrices depending on the analytical platform and sample preparation method. 7-Amino-benzodiazepines including 7-aminoclonazepam, 7-aminoflunitrazepam, and 7-aminonitrazepam are well-established metabolites used as biomarkers for benzodiazepine intake in forensic casework.journals.sagepub+2

Pharmacokinetic & Metabolic Pathway Studies: Within strictly controlled in vitro modelling frameworks, 7-ADD reference material supports metabolic pathway elucidation studies using human liver microsomes, hepatocyte cultures, and recombinant cytochrome P450 enzymes. These investigations, conducted exclusively in accredited laboratory environments by qualified personnel, generate critical data on CYP-mediated oxidative metabolism of diazepam and nordazepam, including 7-hydroxylation followed by reduction to the 7-amino metabolite. 7-ADD’s 7-amino-5-phenyl-1,3-dihydro-1,4-benzodiazepin-2-one structure (IUPAC name for 7-aminonitrazepam analogue) confers distinct pharmacokinetic properties compared to parent benzodiazepines such as diazepam and nordazepam, making it a valuable reference compound for dissecting metabolic clearance pathways, inter-individual variability in benzodiazepine metabolism, and drug-drug interactions affecting CYP2C19 and CYP3A4 activity. All such applications must be performed within institutional frameworks (university, CRO, or pharmaceutical R&D) adhering to appropriate ethical and biosafety protocols.webbook.nist+2

Chemical Synthesis & Reaction Monitoring: As a high-purity 7-amino-benzodiazepine, 7-ADD functions as a reference standard for monitoring synthetic transformations in medicinal chemistry programmes targeting benzodiazepine receptor modulators. The 7-amino substituent on the 1,4-benzodiazepin-2-one core imparts distinct electronic and steric properties compared to 7-chloro (diazepam), 7-nitro (nitrazepam), or 7-hydroxy (oxazepam) analogues, making 7-ADD valuable for structure-activity relationship (SAR) studies examining substituent effects on GABA-A receptor binding affinity, metabolic stability, and cytochrome P450 interactions. Analytical chemists employ 7-ADD as an internal standard for HPLC quantification of reaction intermediates in the synthesis of related benzodiazepine analogues, leveraging its well-resolved chromatographic behaviour and UV absorption characteristics. 7-Amino-benzodiazepines are typically synthesised via reduction of 7-nitro precursors such as nitrazepam or via oxidative metabolism of parent compounds.pubchem.ncbi.nlm.nih+2

Method Validation & Calibration: 7-ADD powder provides a stable, accurately dosed source for constructing calibration curves in quantitative LC-MS/MS assays, with bulk powdered material enabling preparation of multiple stock solution aliquots at defined concentrations (e.g., 1mM in anhydrous methanol, acetonitrile, or methanol/water mixtures). The powdered form ensures consistent mass delivery across multiple preparations, reducing inter-assay variability in forensic and clinical toxicology laboratories analysing benzodiazepine metabolite samples. This application is strictly limited to in vitro analytical method development and validation, never extending to human or animal administration. LC-MS/MS methods for benzodiazepines and their metabolites including 7-amino derivatives have been validated for urine and blood analysis with simple sample preparation procedures without the need for derivatisation.journals.sagepub+2

Compound Stability, Optimal Storage, and Safe Handling Protocols

7-Amino-desmethyl-diazepam, as a benzodiazepine metabolite (typically supplied as the freebase or hydrochloride salt in powdered form), exhibits moderate susceptibility to oxidative degradation, photolytic decomposition, and hydrolytic degradation when exposed to ambient atmospheric conditions, light, and moisture. The 7-amino substituent on the 1,4-benzodiazepin-2-one ring confers baseline chemical stability, yet long-term integrity demands strict adherence to prescribed storage protocols.

Short-Term Storage (+4°C): For active laboratory use within 3–6 months, store 7-ADD powder in its original amber glass vials at +4°C (refrigerated conditions), protected from light and moisture. Ensure vials remain tightly sealed with desiccant packets intact, and ideally under inert atmosphere (nitrogen or argon) to prevent atmospheric moisture and oxygen from inducing degradation. Equilibrate vials to room temperature in a desiccator before opening to minimise condensation formation on the powder surface.

Long-Term Storage (-20°C or -80°C): For extended preservation beyond 6 months, transfer 7-ADD powder to -20°C (preferably -80°C for multi-year storage) in airtight, desiccated containers shielded from light and, ideally, under inert atmosphere. Under these conditions—sealed, desiccated, -20°C, protected from light, inert atmosphere—powdered 7-ADD maintains specification compliance for 24–36 months, as evidenced by stability data on analogous 7-amino-benzodiazepine reference standards such as 7-aminonitrazepam and 7-aminoclonazepam. Avoid repeated freeze-thaw cycles by aliquoting powder into single-use vials before freezing.pubchem.ncbi.nlm.nih+2

Safe Handling Prerequisites: All handling of 7-ADD powder must occur within a certified chemical fume hood, with personnel wearing appropriate personal protective equipment (PPE): nitrile gloves, safety goggles, and a laboratory coat. The powdered form presents higher aerosolisation risk compared to pellets or crystals; avoid generating dust clouds during weighing or transfer operations. For stock solution preparation, 7-ADD demonstrates solubility in polar organic solvents including anhydrous methanol, ethanol, acetonitrile, dimethyl sulfoxide (DMSO), and methanol/water mixtures to concentrations of 0.1–1mM or higher. Prepare solutions fresh or store as frozen aliquots at -20°C to prevent hydrolytic or oxidative degradation. Given the controlled substance status of benzodiazepines and their metabolites in many jurisdictions (scheduled in multiple EU member states and USA under Controlled Substances Act as benzodiazepine-related compounds), implement additional security protocols to prevent unauthorised access or diversion. 7-Amino-benzodiazepines including 7-ADD are metabolites of controlled substances and may be subject to regulatory control.webbook.nist+2

Technical Specifications and Molecular Attributes

Roid Chem Store: Your Premier EU Vendor for High-Purity Reagents

Roid Chem Store transcends the conventional supplier model, positioning itself as an indispensable partner in USA AND European scientific rigour for analytical chemists, forensic toxicologists, and clinical pharmacologists. Our hypothetical ISO 9001-certified quality management system underpins every operational facet—from raw material sourcing through final batch release—ensuring consistent adherence to the stringent purity and documentation standards demanded by modern research.

Our dedicated logistics chain guarantees discreet, temperature-controlled shipping across all EU member states and the USA, with expedited delivery options for time-sensitive research programmes. Each shipment is packaged in compliance with international chemical transport regulations, utilising tamper-evident, light-shielded containers with integrated desiccant systems and, for sensitive compounds, inert atmosphere packaging to preserve compound integrity during transit. Given the controlled substance status of benzodiazepines and their metabolites in many jurisdictions, all shipments include appropriate regulatory documentation and are restricted to licensed research facilities with valid institutional approvals.

Beyond logistics, Roid Chem Store distinguishes itself through expert customer support capable of discussing analytical specifications, CoA interpretation, and application-specific guidance for forensic toxicology method development. Our team comprises analytical chemists and regulatory specialists who understand the nuanced requirements of forensic benzodiazepine metabolite method validation, mass spectral library development, and clinical pharmacokinetic analysis. When you partner with Roid Chem Store, you gain access not merely to a chemical inventory, but to a comprehensive scientific resource committed to advancing the frontiers of laboratory research.