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| Analytical Parameter | Certified Factory Standard | Testing Methodology | QA Verification Status |
|---|---|---|---|
| CAS Registry Number | 72-63-9 (Methandienone Reference Standard Intermediate) | CAS Registry Indexing Verification | Certified Compliant |
| Chemical Name / IUPAC | (17β)-17-hydroxy-17-methylandrosta-1,4-dien-3-one | Structural NMR (1H-NMR & 13C-NMR) | Validated 100% |
| Assay (Purity Profile) | ≥ 98.50% – 99.50% Area Normalization | High-Performance Liquid Chromatography (RP-HPLC) | Batch Validated |
| Molecular Formula & Weight | C20H28O2 | 300.44 g/mol | High-Resolution Mass Spectrometry (HR-MS) | Verified Identity |
| Residual Solvents (ICH Q3C) | Methanol <3000ppm, Ethanol <5000ppm, Hexane <290ppm | Gas Chromatography with Headspace (GC-HS) | Below Limits |
| Heavy Metals Contamination | Pb <10ppm, As <2ppm, Cd <0.5ppm, Hg <0.5ppm | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | USP Compliant |
CAS 72-63-9 serves as an essential steroid hormone reference molecule and chemical synthesis backbone across qualified laboratory settings.
Widely deployed in CLIA-accredited analytical toxicology facilities and forensic metabolomics institutions for calibrating LC-MS/MS diagnostic panels. It acts as an internal reference material for detection thresholds in competitive biological fluids.
Within EU academic labs and industrial biocatalysis hubs, CAS 72-63-9 acts as a model substrate to investigate cytochrome P450 (CYP) enzymatic hydroxylation pathways, microbial steroid degradation, and environmental microbial ecology resistance.
Industrial development zones utilize raw chemical precursor supplies for synthesizing complex multi-cyclic androstane architectures, custom deuterated isotopes (d3/d5-analogues), and specialized chemical standards for global chemical instrumentation companies.
A rigorous examination of synthetic pathways, reaction yields, and technological upgrades driving modern Chinese manufacturing excellence.
Selective nucleophilic addition of methyl magnesium bromide (Grignard reaction) or methyl lithium to 4-androstene-3,17-dione (4-AD) or 17-keto intermediates at -40°C under ultra-dry inert atmosphere, achieving >92% stereoselective conversion.
Transition from stoichiometric DDQ (2,3-dichloro-5,6-dicyano-1,4-benzoquinone) oxidation to green microbial dehydrogenation utilizing immobilized Arthrobacter simplex strains, eliminating toxic halogenated aromatic byproducts.
Controlled cooling crystallization using green pharmaceutical-grade solvent mixtures (ethyl acetate and n-heptane gradients), resulting in precise crystalline habit formation, narrow particle size distribution (D90 < 50μm), and clean drying profiles.
Pioneering integration of continuous-flow microreactors that replace batch kettles for oxidation steps. This reduces reaction exposure times from hours to seconds, prevents secondary degradation, and guarantees lot-to-lot consistency.
Complete structural integration—from bio-fermented phytosterol precursors to automated export terminal logistics—secures price, quantity, and delivery predictability.
Unlike regional blenders relying on third-party imports, Chinese chemical complexes produce raw steroid rings (4-AD, androstadienedione) directly via industrial soybean and pine-derived sterol fermentation. This insulates global buyers from geopolitical raw material spikes.
Operating inside Provincial Chemical Industrial Clusters featuring closed-loop solvent recovery distillers, regenerative thermal oxidizers (RTO), and comprehensive zero-discharge wastewater processing systems ensure round-the-year operations with zero environmental shutdown downtime.
Strategically routed via Shanghai, Ningbo, and Shenzhen maritime gateways, paired with direct temperature-monitored air freight routes to Frankfurt, Chicago, and Incheon. Packaging utilizes multi-layer vacuum foil barrier bags backed by UN-approved drums.
Meeting Western procurement standards through exhaustive third-party batch re-testing, legal chain-of-custody documentation, and proactive international regulatory stewardship.
Every industrial lot is escorted by an unredacted Certificate of Analysis (COA), 16-section GHS-compliant Safety Data Sheet (SDS), raw HPLC chromatogram integration reports, and High-Resolution Mass Spectra ensuring unquestioned import audits.
We actively support customer-commissioned blind re-testing at international accredited laboratories (such as SGS, Intertek, or Eurofins). Shipments are released against strict purity, assay, and identity verification milestones.
All materials are labeled strictly in compliance with international chemical commerce frameworks: designated for non-clinical analytical calibration, organic research synthesis, and industrial chemical intermediate applications.
Straight answers concerning purity validation, custom synthesis requirements, import documentation, and global fulfillment cycles.
Our Quality Control operations operate under cGMP principles. Batch release requires HPLC analysis (UV detector calibrated at 245nm) coupled with GC-MS and proton nuclear magnetic resonance (1H-NMR) spectroscopy. We provide raw integration spectra displaying all peaks, area percentages, and peak retention times.
Spot inventory for standard laboratory grade powders (100g to 25kg) dispatches within 24–48 hours of PO receipt. Bulk commercial synthesis runs (100kg to metric-ton lots) operate on an average lead time of 2 to 3 weeks depending on the synthetic precursor step scheduling.
Shipments include a comprehensive dossier: Commercial Invoice, Packing List, Certificate of Analysis (COA) matching container lot barcodes, GHS 16-section Safety Data Sheet (SDS), and Certificate of Origin (COO). Where requested, TSE/BSE statements and residual solvent reports are provided.
Yes. We feature enclosed air-jet micronization systems capable of reducing particle sizes to uniform distributions (D50 < 10μm, D90 < 25μm). Packaging formats include argon-flushed double polyethylene bags inside heavy-gauge aluminum barrier canisters or UN-rated fiber drums.
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