(20R)-Pregn-4-ene-3,17,20-triol CAS 384342-63-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 384342-63-6 |
| Molecular Formula | C21H34O3 |
| Molecular Weight | 334.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(20R)-Pregn-4-ene-3,17,20-triol (CAS 384342-63-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H34O3. Molecular weight: 334.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H34O3 |
| Molecular Weight | 334.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| 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.) | 2025 |
Related R Standards
- (3β,20R)-Pregn-5-ene-3,17,20-triol (CAS 2204-13-9)
- (3β,20S)-Pregn-5-ene-3,17,20-triol (CAS 903-67-3)
- Pregn-5-ene-3,20-dione (CAS 1236-09-5)
- 17.alpha.-Pregn-5-en-20-yne-3.beta.,17.beta.-diol 3604-60-2 Androst-5-ene-3.beta., 17-ethynyl- NSC-17098 NSC17098 Pregn-5-en-20-yne-3, (3.beta.,17.alpha.)- (CAS 3604-60-2)
- 128255-08-3 Pregn-5-en-20-amine,3-methoxy-N,N-dimethyl-, (3b,20S)- (9CI) (CAS 128255-08-3)
- (3α,5α,17Z)-Pregn-17(20)-en-3-ol (CAS 68199-34-8)
Recommended Standards
- (±)5-HETE methyl ester (CAS 73279-38-6)
- (3α,5α,11α)-3,11-Dihydroxypregnan-20-one (CAS 38398-44-6)
- (+/-)11(12)-Epetremethylester (CAS 73799-06-1)
- Methyl 2-(2-amino-4-nitrophenyl)acetate (CAS 1261840-35-0)
- 3-Bromo-4-ethylpyridine (CAS 38749-76-7)
- 2-(4-Bromo-2-chlorophenoxy)-N-cyclopropylacetamide (CAS 797000-22-7)
- Mirtazapine-d4 (CAS 1215898-55-7)
- 2-(4-Bromophenoxy)-5-fluoroaniline (CAS 15212-02-9)
- 1-N-[(4-chlorophenyl)methyl]benzene-1,2-diamine (CAS 5729-18-0)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
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