Butanedioic acid, 2-methylene-, polymer with 1,1-dichloroethene and ethyl 2-propenoate CAS 26589-42-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 26589-42-4 |
| Molecular Formula | C5H6O4 C5H8O2 C2H2Cl2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Butanedioic acid, 2-methylene-, polymer with 1,1-dichloroethene and ethyl 2-propenoate (CAS 26589-42-4) pharmaceutical standards reference standard. Molecular formula: C5H6O4 C5H8O2 C2H2Cl2. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H6O4 C5H8O2 C2H2Cl2 |
| Molecular Weight | 327.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
Related Butanedioic Standards
- Butanedioic acid, 1-[2-[(1-oxo-2-propen-1-yl)oxy]ethyl] ester, polymer with butyl 2-propenoate, ethenylbenzene and methyl 2-methyl-2-propenoate (CAS 103885-38-7)
- Butanedioic acid, 2-hydroxy-, calcium salt, hydrate (1:1:1) (CAS 1138140-78-9)
- Butanedioic acid, 1-(1,1-dimethylethyl) 4-(2,5-dioxo-1-pyrrolidinyl) ester (CAS 138833-93-9)
- Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, 1,1′-(1,4-phenylenedi-2,1-ethanediyl) 4,4′-diethyl ester (CAS 1402918-72-2)
- 144860-68-4 Butanedioic acid, 1-[(1S,2E,4E)-1-[(2R,5S,7R,8S)-2-butyl-7-[(2E,4E,6S,7S,8E)-9-carboxy-6-hydroxy-3,7-dimethyl-2,4,8-nonatrien-1-yl]-8-methyl-1,6-dioxaspiro[4.5]dec-2-yl]-5-carboxy-4-methyl-2,4-pentadien-1-yl] ester (CAS 144860-68-4)
- 144860-69-5 Butanedioic acid, 1-[(2S,3R,6S,8R,9S)-8-[(2E,4E,6S,7S,8E)-9-carboxy-6-hydroxy-3,7-dimethyl-2,4,8-nonatrien-1-yl]-2-[(1E,3E)-4-carboxy-3-methyl-1,3-butadien-1-yl]-9-methyl-3-(3-methylbutyl)-1,7-dioxaspiro[5.5]undec-3-yl] ester (CAS 144860-69-5)
- Butanedioic Acid 1-[16,16-Bis(4-methoxyphenyl)-3,3-dioxido-7-oxo-16-phenyl-6,15-dioxa-3-thia-8-azahexadec-1-yl] Ester (CAS 178261-45-5)
- Butanedioic acid, 2-sulfo-, sodium salt (CAS 20526-58-3)
Recommended Standards
- (Z)-2-amino-5-(3,4-dimethoxybenzylidene)thiazol-4(5H)-one 1198098-03-1 F1950-0211 (CAS 1198098-03-1)
- R-30490 (CAS 60618-49-7)
- 2-(4-(2-Hydroxybutyl)thiomorpholin-3-yl)acetic acid (CAS 1537701-24-8)
- {4-[(2-Methyl-2-propen-1-yl)oxy]phenyl}aminehydrochloride (CAS 90874-61-6)
- (4-Bromophenyl)(2-((3-fluorobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851865-12-8)
- (3-Methyl-5-phenylisoxazol-4-yl)methanol (CAS 113826-87-2)
- Exenatide (CAS 141758-74-9)
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