(S)-But-3-en-2-yl benzoate CAS 90270-43-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90270-43-2 |
| Molecular Formula | C7H6O2 C4H8O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (S)-But-3-en-2-yl benzoate (CAS 90270-43-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H6O2 C4H8O. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H6O2 C4H8O |
| Molecular Weight | 194.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
Recommended Standards
- tert-butyl N-{[2-(aminomethyl)phenyl]methyl}-N-methylcarbamate (CAS 443900-39-8)
- 2-(acetoxymethyl)-6-((cyanomethyl)sulfinyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS CATO-C3D-262981)
- 2-Hydroxy-6-(4-methoxyphenyl)nicotinic acid (CAS 147269-07-6)
- Chitin comes from shrimp shells (CAS 1398-61-4)
- 3-Propyl-5,6-dihydro-4H-pyrrolo[3,2-d]isoxazole (CAS 603067-09-0)
- 3-Bromo-N,N-dimethylpropanamide (CAS 21437-86-5)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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