Diethyl but-2-en-1-ylphosphonate CAS 682-34-8
| CAS No. | 682-34-8 |
| Molecular Formula | C8H17O3P |
| Molecular Weight | 192.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Diethyl but-2-en-1-ylphosphonate (CAS 682-34-8) is a high-purity analytical reference standard with the molecular formula C8H17O3P and a molecular weight of 192.19 g/mol.
Owing to a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage, Diethyl but-2-en-1-ylphosphonate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 192.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Diethyl but-2-en-1-ylphosphonate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H17O3P |
| Molecular Weight | 192.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 1957 |
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Recommended Standards
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- 4-Methoxy-5-(4-piperidinyl)-2-pyridinamine (CAS 2311864-31-8)
- (S)-2-Amino-3-hydroxy-N-pentylpropanamide (CAS 147266-42-0)
- Canagliflozin Impurity 109 (CAS CATO-C4X-1123109)
- H-Tyr-NH2 (CAS 4985-46-0)
- 3-Butoxy-1λ{6}-thiolane-1,1-dione (CAS 22179-08-4)
- 5-(chloromethyl)-2-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1638768-89-4)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
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 18665070610 / Nicole.chen@cato-chem.com