3-Methoxy-7α-methyl-estra-2,5(10)-dien-17-one CAS 5210-25-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5210-25-3 |
| Molecular Formula | C20H28O2 |
| Molecular Weight | 300.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methoxy-7α-methyl-estra-2,5(10)-dien-17-one (CAS 5210-25-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H28O2. Molecular weight: 300.44 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H28O2 |
| Molecular Weight | 300.44 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Methoxy Standards
- (17β)-13-Ethyl-3-methoxy-gona-2,5(10),15-trien-17-ol (CAS 119054-15-8)
- 3-Methoxy-17α-methylestra-1,3,5(10)trien-17β-ol (CAS 15236-73-4)
- (7β,17β)-3-Methoxy-7-methyl-estra-1,3,5(10)-trien-17-ol (CAS 153063-86-6)
- (7α,17β)-3-Methoxy-7-methyl-estra-1,3,5(10)-trien-17-ol (CAS 15506-01-1)
- 3-Methoxy-18-methyl-1,3,5(10)-estratrien-17b-ol (CAS 3625-82-9)
- 3-Methoxy-7β-methyl-estra-2,5(10)-dien-17-one (CAS 32297-43-1)
- 5-Methoxy-N-phenyl-4-(trimethylsilyl)nicotinamide (CAS 1105675-62-4)
- 16-Methoxy-16-oxohexadecanoic acid (CAS 18451-85-9)
Recommended Standards
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- 2,5-Dimethyl-5-(4-methylpent-3-en-1-yl)-3,4,4a,10b-tetrahydro-2H,5H-pyrano[3,2-c]chromene (CAS 499186-83-3)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetamide (CAS 1082066-33-8)
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- 6-[3-(3-Methylisoxazol-5-yl)propoxy]nicotinonitrile (CAS 1105194-31-7)
- Tirzepatide Impurity 59 (CAS CATO-C4X-324059)
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