(3β,20R)-Pregn-5-ene-3,17,20-triol CAS 2204-13-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2204-13-9 |
| Molecular Formula | C21H34O3 |
| Molecular Weight | 334.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3β,20R)-Pregn-5-ene-3,17,20-triol (CAS 2204-13-9) 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.) | 1957 |
Related R Standards
- (20R)-Pregn-4-ene-3,17,20-triol (CAS 384342-63-6)
- (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
- (3β,5α,11α)-3,11-Dihydroxypregnan-20-one (CAS 565-91-3)
- (3α,5α,11α)-3,11-Dihydroxypregnan-20-one (CAS 38398-44-6)
- [10]-Paradol (CAS 36700-48-8)
- n-[4-(aminomethyl)phenyl]-2-methylpropanamide hydrochloride (CAS 1172778-29-8)
- 2-Chloro-3,5-difluorobenzotrifluoride (CAS 1261733-98-5)
- 4-Chloro-5-iodo-2-(pentan-3-yl)pyrimidine (CAS 1512400-75-7)
- 2-(4-Bromophenoxy)-2,2-difluoroacetic acid (CAS 1153776-34-1)
- Zopiclone Impurity 13 (CAS CATO-C4X-123813)
- 2-Formyl-6-iodoisonicotinic acid (CAS 1289264-50-1)
- Palmitoyl Tripeptide-1 TFA salt (CAS 2803375-47-3)
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