17beta-Estradiol-13C2 CAS 82938-05-4
Purity >90%In StockPharmaceutical Standards
| CAS No. | 82938-05-4 |
| Molecular Formula | C16[13C]2H24O2 |
| Molecular Weight | 274.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
17beta-Estradiol-13C2 (CAS 82938-05-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16[13C]2H24O2. Molecular weight: 274.37 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16[13C]2H24O2 |
| Molecular Weight | 274.37 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >90% |
| 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.) | 1980 |
Related beta Standards
- 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)
- 17β-Estradiol-[2,3,4-13C3] (CAS 1261254-48-1)
- Estradiol EP Impurity D-d3 (delta-9(11)-Estradiol-d3) (CAS 791-69-5 (non-labelled))
- 17beta-Estradiol-16,16,17-D3 (CAS 79037-37-9)
- 17Α-Estradiol-16,16,17-D3 (CAS CATO-CCAD300789)
- Estradiol Impurity 22 (CAS CATO-C4X-163622)
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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