Sodium (E)-4-ethoxy-4-oxobut-2-enoate CAS 55141-86-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55141-86-1 |
| Molecular Formula | C6H7O4 Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sodium (E)-4-ethoxy-4-oxobut-2-enoate (CAS 55141-86-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H7O4 Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H7O4 Na |
| Molecular Weight | 166.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
Recommended Standards
- 5-Methyl-4-oxo-2-(pyrrolidin-1-ylmethyl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 878259-40-6)
- 1-Ethyl-4-methyl-1H-1,2,4-triazol-5(4H)-one (CAS 535961-39-8)
- Netupitant Impurity 35 (CAS CATO-C4X-122335)
- Amoxicillin EP Impurity E (CAS 1356020-01-3)
- 2-Methylpyridine-4-sulfonic acid (CAS 408533-46-0)
- 2-Methoxy-6-methylbenzoyl chloride (CAS 50463-84-8)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
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