17-Iodo-3-O-methyl Estratetraenol CAS 105644-55-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 105644-55-1 |
| Molecular Formula | C19H23IO |
| Molecular Weight | 394.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 17-Iodo-3-O-methyl Estratetraenol (CAS 105644-55-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H23IO. Molecular weight: 394.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H23IO |
| Molecular Weight | 394.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | I-containing |
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Recommended Standards
- 2-(6-Bromo-2H-benzo[b][1,4]oxazin-4(3H)-yl)-6,6-dimethyl-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one (CAS 1000793-42-9)
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- 4-(2,6-Dichlorophenyl)butanoic acid (CAS 899350-30-2)
- 3-[(3,5-dimethyl-1h-pyrazol-1-yl)methyl]-4-methoxybenzoic acid (CAS 887408-93-7)
- 2-(Aminomethyl)-5-bromobenzonitrile hydrochloride (CAS 2684295-09-6)
- 1H,1h,2h,2h,3h,3h-perfluorodecan-1-ol (CAS 25600-66-2)
- 1-(3,5-Dichlorophenyl)-5-methyl-N-(4-(trifluoromethoxy)phenyl)-1H-1,2,4-triazole-3-carboxamide (CAS 400080-93-5)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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