5B(H)-Pregnane CAS 481-26-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 481-26-5 |
| Molecular Formula | C21H36 |
| Molecular Weight | 288.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5B(H)-Pregnane (CAS 481-26-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H36. Molecular weight: 288.51 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H36 |
| Molecular Weight | 288.51 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 |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 5a(H)-Pregnane (CAS 641-85-0)
- 7-Chloro-1-iodonaphthalene (CAS 70109-79-4)
- 2-Chloro-6-iodonaphthalene (CAS 858024-79-0)
- 1-(6-Methylpyridin-2-yl)propan-1-amine (CAS 1185320-33-5)
- Ethyl 2-(5-(trifluoromethyl)pyrimidin-2-yl)acetate (CAS 944905-47-9)
- 7-Bromo-3,4-dihydro-1,5-naphthyridin-2(1H)-one (CAS 1256834-74-8)
- 5-{[(4-Chlorobenzyl)thio]methyl}-1,3,4-thiadiazol-2-amine (CAS 299934-12-6)
- N-(Azido-PEG4)-biocytin (CAS 2055042-70-9)
- Benzyl (6-(Hydrazinecarbonyl)pyridin-2-yl)carbamate (CAS 1262043-89-9)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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