4-Methoxy Estrone-13C,d3 CAS 1217437-34-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 1217437-34-7 |
| Molecular Formula | C18[13C]H21D3O3 |
| Molecular Weight | 304.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methoxy Estrone-13C,d3 (CAS 1217437-34-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18[13C]H21D3O3. Molecular weight: 304.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18[13C]H21D3O3 |
| Molecular Weight | 304.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
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Recommended Standards
- 1184982-52-2 5-Benzyl(10,11,11-~2~H_3_)-10,11-dihydro-5H-dibenzo[b,f]azepin-10-ol DTXSID80661799 (CAS 1184982-52-2)
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- 5-(([1,1'-biphenyl]-2-yloxy)methyl)-4-(4-chloro-3-(trifluoromethyl)phenyl)-4h-1,2,4-triazole-3-thiol (CAS 723333-51-5)
- 1-BENZHYDRYL-3-PHENOXYAZETIDINE (CAS 82622-43-3)
- 4-Chloro-2-fluoro-5-(methoxycarbonyl)phenylboronic acid (CAS 325786-24-1)
- (2-Fluorophenyl)(4-methylpiperazin-1-yl)methanone (CAS 20929-25-3)
- 2-((3,4-Dihydro-2H-pyrrol-5-yl)oxy)acetamide (CAS 95906-81-3)
- Flucetorex (CAS 40256-99-3)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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