[(E)-but-1-enyl]phosphonic acid CAS 443118-99-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 443118-99-8 |
| Molecular Formula | C4H9O3P |
| Molecular Weight | 136.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order [(E)-but-1-enyl]phosphonic acid (CAS 443118-99-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H9O3P. Molecular weight: 136.09 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H9O3P |
| Molecular Weight | 136.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 2025 |
Recommended Standards
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- (2,4-Dichlorophenyl)(isopropyl)sulfane (CAS 99849-02-2)
- 4-Bromo-1-naphthonitrile (CAS 92616-49-4)
- Methyl 5-(difluoromethyl)-1H-pyrrole-2-carboxylate (CAS 2112952-30-2)
- 1-((tert-Butyldimethylsilyl)oxy)propan-2-ol (CAS 116286-81-8)
- 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
- Worldwide shipping with full export documentation (HS code guidance available)
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