17-Beta-Estradiol 17-Valerate CAS 979-32-8
Purity >95%In StockPharmaceutical Standards
| CAS No. | 979-32-8 |
| Molecular Formula | C23H32O3 |
| Molecular Weight | 356.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 17-Beta-Estradiol 17-Valerate (CAS 979-32-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H32O3. Molecular weight: 356.50 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H32O3 |
| Molecular Weight | 356.50 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Beta Standards
- Estradiol 17-Isovalerate (CAS 869627-83-8)
- Estradiol Valerate EP Impurity B (CAS 21881-45-8)
- Estradiol Valerate 17α-Isomer (CAS 182624-54-0)
- Estradiol Impurity 24 (CAS 3434-88-6)
- Estradiol-7α-butyric Acid (CAS 55592-40-0)
- Estradiol Valerate EP Impurity C (CAS 95959-20-9)
- Estradiol Valerate EP Impurity G (CAS 1313382-25-0)
- ∆9(11)-Estradiol Diacetate (CAS 1169-54-6)
Recommended Standards
- Altrenogest impurity 17 (CAS 32259-88-4)
- Mexiletine EP Impurity C (CAS 2059988-38-2)
- Prostaglandin F1alpha (CAS 745-62-0)
- Benzyl (S)-(1-aminopropan-2-yl)carbamate (CAS 400652-46-2)
- 1-((3-Bromothiophen-2-yl)sulfonyl)pyrrolidine-3-carboxylic acid (CAS 1828485-65-9)
- 1-(2-Chloro-8-methylquinolin-3-yl)-N-(2-methoxybenzyl)methanamine (CAS 917746-08-8)
- 3-(Benzo[d][1,3]dioxol-5-yl)-5-(4-chlorophenyl)-1H-pyrazole (CAS 651717-17-8)
- (S)-2-Amino-N-(3-bromobenzyl)-N-ethyl-3-methylbutanamide (CAS 1354011-57-6)
- 1,3-Thiazole-2-sulfonamide (CAS 113411-24-8)
- Insulin Glulisine (CAS 207748-29-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com