4,5β-Dihydro Norethandrolone (1.0mg/ml in Acetonitrile) CAS 31658-44-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31658-44-3 |
| Molecular Formula | C20H32O2 |
| Molecular Weight | 304.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5β-Dihydro Norethandrolone (1.0mg/ml in Acetonitrile) (CAS 31658-44-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H32O2. Molecular weight: 304.47 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1966 |
Related Dihydro Standards
- 4,5α-Dihydro Norethandrolone (CAS 2099-68-5)
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Recommended Standards
- 4,6-Dimethyl-2,2-dipentyl-2,3-dihydrobenzofuran-5-ol (CAS 609348-02-9)
- 4,4'-Disulfanediylbis(N,N-dimethylaniline) (CAS 5397-29-5)
- Agatholal (CAS 3650-31-5)
- 2,4-Dichloroquinolin-7-amine (CAS 2091894-88-9)
- Cinchocaine EP Impurity D (CAS 10222-61-4)
- (S)-2-Amino-3-(3,5-dimethylphenyl)propanoic acid hydrochloride (CAS 906365-71-7)
- 5-Bromo-3-hydroxy-1-methylpyrazin-2(1H)-one (CAS 1133573-50-8)
- 2-(Chloromethyl)-5-(3-nitrophenyl)-1,3,4-oxadiazole (CAS 63002-57-3)
- benzyl 3-bromoazetidine-1-carboxylate (CAS 939759-25-8)
- Des-Asp15-Tirzepatide (CAS CATO-CPTD788958)
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