5α-Pregnan-11β,17α,21-triol-3,20-dione-1,2,4,5-d4 CAS 252976-11-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 252976-11-7 |
| Molecular Formula | C21H28D4O5 |
| Molecular Weight | 368.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5α-Pregnan-11β,17α,21-triol-3,20-dione-1,2,4,5-d4 (CAS 252976-11-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H28D4O5. Molecular weight: 368.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H28D4O5 |
| Molecular Weight | 368.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Pregnan Standards
- 5α-PREGNAN-3β, 11β, 17, 21-TETROL-20-ONE (CAS 651-43-4)
- 5α-Pregnan-17α¸21-diol-3¸11¸20-trione-1¸2¸4¸5-d4 (CAS 1482-51-5)
- 5β-PREGNAN-3α, 11β, 17, 20α-TETROL (CAS 1242-48-4)
- 5α-PREGNAN-3β, 11β, 20β, 21-TETROL (CAS 7285-27-0)
- 5β-PREGNAN-3α, 11β, 17, 20β-TETROL (CAS 2434-06-2)
- 5α-PREGNAN-3β, 11β, 21-TRIOL-20-ONE (CAS 516-16-5)
- 5α-PREGNAN-3β, 17, 21-TRIOL-20-ONE (CAS 516-47-2)
- 5α-PREGNAN-17, 21-DIOL-3, 20-DIONE (CAS 312-99-2)
Recommended Standards
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- 1-(2-Aminoethyl)piperidin-3-ol dihydrochloride (CAS 1442093-03-9)
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- 2-Amino-4-bromobutanoic acid (CAS 10364-50-8)
- 3-Iodo-5-((trifluoromethyl)thio)pyridin-2-amine (CAS 2385193-80-4)
- Palladium, dichlorobis(1-ethyl-1H-imidazole-N3)-, (SP-4-2)- (9CI) (CAS 89119-74-4)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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