4,5α-Dihydro Norethandrolone CAS 2099-68-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2099-68-5 |
| Molecular Formula | C20H32O2 |
| Molecular Weight | 304.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,5α-Dihydro Norethandrolone (CAS 2099-68-5) pharmaceutical standards reference standard. Molecular formula: C20H32O2. Molecular weight: 304.47 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H32O2 |
| Molecular Weight | 304.47 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Dihydro Standards
- 4,5β-Dihydro Norethandrolone (1.0mg/ml in Acetonitrile) (CAS 31658-44-3)
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- 1-(6,7-Dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-yl)-4-hydroxypyrrolidine-2-carboxamide (CAS 1103503-19-0)
- 3-[(2-oxo-2,3-dihydro-1h-indol-3-ylidene)amino]-1-(oxolan-2-ylmethyl)thiourea (CAS 519152-97-7)
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Recommended Standards
- 4,4'-Disulfanediylbis(N,N-dimethylaniline) (CAS 5397-29-5)
- 3β-Hydroxy-2α-methyl-5α-androstan-17-one (CAS 21661-26-7)
- 4,6-Dimethyl-2,2-dipentyl-2,3-dihydrobenzofuran-5-ol (CAS 609348-02-9)
- N-Methyl-3-(methylthio)-6,7-dihydrobenzo[c]thiophene-1-carboxamide (CAS 175202-56-9)
- 2,2,2-Trifluoro-1-(3-methylpyridin-4-yl)ethanone (CAS 1060801-59-3)
- 2-((2-Chlorobenzyl)(isopropyl)amino)ethanol (CAS 1249115-19-2)
- 1-(Tert-butoxycarbonylamino)-3-(trifluoromethyl)cyclobutanecarboxylicacid (CAS 2306270-08-4)
- Didanosine EP Impurity H (CAS 6612-70-0)
- 2-(2-Chloro-benzylidene)-3-oxo-butyric acid methyl ester (CAS 67593-46-8)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com