2-Butenedioic acid (2Z)-, 1-methyl ester, polymer with ethenyl acetate CAS 25969-89-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25969-89-5 |
| Molecular Formula | C5H6O4 C4H6O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Butenedioic acid (2Z)-, 1-methyl ester, polymer with ethenyl acetate (CAS 25969-89-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H6O4 C4H6O2. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H6O4 C4H6O2 |
| Molecular Weight | 216.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Related Butenedioic Standards
- (2Z)-2-Butenedioic Acid 1-Methyl Ester-d3 (CAS 1266402-66-7)
- 2-Butenedioic acid (2Z)-, polymer with ethenylbenzene, compd. with 2-amino-2-methyl-1-propanol (CAS 143348-13-4)
- 2-Butenedioic acid (2E)-, ammonium salt (CAS 14548-85-7)
- 2-Butenedioic acid (2E)-,1-butyl ester (CAS 16062-88-7)
- 2-Butenedioic acid (2E)-, 1,4-dioctyl ester, polymer with ethenyl acetate and 2-hydroxypropyl 2-methyl-2-propenoate (CAS 192230-35-6)
- 2-Butenedioic acid (2E)-, 1,4-bis(1-methylethyl) ester, polymer with ethenyl acetate and ethenylbenzene (CAS 193486-91-8)
- 2-Butenedioic acid, 2-[[4-(methoxycarbonyl)-3-thienyl]amino]-, 1,4-diethyl ester (CAS 2007931-02-2)
- 2-Butenedioic acid (2E)-, polymer with 1,3-butadiene and ethenylbenzene (CAS 24938-12-3)
Recommended Standards
- Mecamylamine (CAS 60-40-2)
- 4-(2-Bromoethyl)-1-methoxy-2-methylbenzene (CAS 69919-95-5)
- 1-Benzyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 1211505-52-0)
- 4-(3,4-Dihydro-2h-1,4-benzoxazin-4-yl)-4-oxobutanoic acid (CAS 897765-68-3)
- Xanthurenic Acid-d4 (CAS 1329611-28-0)
- 5-Bromo-2-propylpyrimidine (CAS 1227960-44-2)
- (Tyr9)-Cholecystokinin Octapeptide (sulfated) (H-9770.0005) (CAS 96607-61-3)
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