3-Methoxy-17-methylestra-2,5(10)-dien-17β-ol CAS 19590-65-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19590-65-9 |
| Molecular Formula | C20H30O2 |
| Molecular Weight | 302.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methoxy-17-methylestra-2,5(10)-dien-17β-ol (CAS 19590-65-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H30O2. Molecular weight: 302.45 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H30O2 |
| Molecular Weight | 302.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Methoxy Standards
- 3-Methoxy-7α-methyl-estra-2,5(10)-dien-17β-ol (CAS 15506-02-2)
- 3-Methoxy-7β-methyl-estra-2,5(10)-dien-17β-ol (CAS 32297-42-0)
- 6α-Methoxy 17β-Estradiol (CAS 74312-88-2)
- 4-Methoxy 17beta-Estradiol (CAS 26788-23-8)
- 4-Methoxy-N-methyl-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)benzamide (CAS 866134-21-6)
- N-(4-Methoxy-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)pivalamide (CAS 868674-46-8)
- 1170398-17-0 1-[(5-Methoxy-1-methyl-1H-indol-3-yl)methyl]piperidine-4-carboxylic acid MFCD14281874 (CAS 1170398-17-0)
- 9-Methoxy-5-methyl-2-(o-tolyl)imidazo[2,1-a]isoquinoline (CAS 184913-14-2)
Recommended Standards
- 8,13(15)-Abietadienoic Acid (CAS 19402-33-6)
- (2α,5α)-2-Methylandrostane-3,17-dione (CAS 5470-27-9)
- 9-Cis-13,14-Dihydro Retinoic Acid (CAS 176019-01-5)
- 4-Methyl-3H-[1,2,3]triazolo[4,5-c]pyridine (CAS 27582-17-8)
- 2-Methyl-2-azabicyclo[2.2.2]octan-6-ol (CAS 222313-87-3)
- (S)-Benzyl 3-(aminomethyl)piperidine-1-carboxylate (CAS 1217977-05-3)
- 7-Hydroxy-3-(4-hydroxyphenyl)-8-methoxy-4H-chromen-4-one (CAS 915410-17-2)
- (3R,4S)-3,4-Dihydroxy-1-methylpyrrolidin-2-one (CAS 364752-95-4)
- 2-(4-Methoxyphenoxy)benzaldehyde (CAS 19434-36-7)
- Des-Ile27-Tirzepatide (CAS CATO-CPTD788946)
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