17β-Estradiol-[2,3,4-13C3] CAS 1261254-48-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261254-48-1 |
| Molecular Formula | C15[13C]3H24O2 |
| Molecular Weight | 275.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
17β-Estradiol-[2,3,4-13C3] (CAS 1261254-48-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15[13C]3H24O2. Molecular weight: 275.36 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15[13C]3H24O2 |
| Molecular Weight | 275.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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.) | 1990 |
Related Estradiol Standards
- 17beta-Estradiol-16,16,17-D3 (CAS 79037-37-9)
- 17Α-Estradiol-16,16,17-D3 (CAS CATO-CCAD300789)
- 17β-Estradiol-2,4-d2 (CAS 53866-33-4)
- 17alpha-Estradiol-2,4-d2 (CAS 81586-94-9)
- 17β-Estradiol-16,16-d2 (CAS 3188-46-3)
- 17beta-Estradiol-13C2 (CAS 82938-05-4)
- 17beta-Estradiol-D4 (CAS 66789-03-5)
- Estradiol EP Impurity D-d3 (delta-9(11)-Estradiol-d3) (CAS 791-69-5 (non-labelled))
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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