2-Butenedioic acid (2E)-, polymer with 1,4-cyclohexanedimethanol and 2,2-dimethyl-1,3-propanediol CAS 68239-91-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 68239-91-8 |
| Molecular Formula | C8H16O2 C4H4O4 C5H12O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Butenedioic acid (2E)-, polymer with 1,4-cyclohexanedimethanol and 2,2-dimethyl-1,3-propanediol (CAS 68239-91-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H16O2 C4H4O4 C5H12O2. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H16O2 C4H4O4 C5H12O2 |
| Molecular Weight | 364.44 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1976 |
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
- 2-Amino-N-(2-hydroxyphenyl)benzamide (CAS 725-75-7)
- (2E)-1-{4-[(2,4-dichlorophenyl)methoxy]phenyl}-3-[(2,5-dimethoxyphenyl)amino]prop-2-en-1-one (CAS 477889-28-4)
- 3-Methyl-2-(piperazin-1-yl)-5,6,7,8-tetrahydroquinazolin-4(3H)-one (CAS 1707594-63-5)
- 3-Iodo-4-methyl-6-nitro-1H-indazole (CAS 1000342-56-2)
- methyl 2-[(4-bromo-2-nitrophenyl)amino]-2-methylpropanoate (CAS 1803561-77-4)
- 2-(6-(2-Fluorophenyl)-1H-indol-3-yl)acetonitrile (CAS 1214385-91-7)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
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