(Z)-4-(4-Chlorophenyl)-2-hydroxy-4-oxobut-2-enoic acid CAS 103344-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 103344-71-4 |
| Molecular Formula | C10H7ClO4 |
| Molecular Weight | 226.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (Z)-4-(4-Chlorophenyl)-2-hydroxy-4-oxobut-2-enoic acid (CAS 103344-71-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H7ClO4. Molecular weight: 226.61 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H7ClO4 |
| Molecular Weight | 226.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
Related Z Standards
- 4-(4-Chlorophenyl)-2,4-dioxobutanoic acid (CAS 38053-20-2)
- 3-(2-Chlorophenyl)-5-methoxy-1,3,4-oxadiazol-2(3H)-one (CAS 60931-28-4)
- 4-Chlorophenyl difluoromethyl sulfone (CAS 2488-53-1)
- 3-(4-Chlorophenyl)tetrahydrofuran-3-carboxylic acid (CAS 1035261-04-1)
- trans-1-(4-Chlorophenyl)-3-hydroxycyclobutanecarboxylic acid (CAS 1145681-01-1)
- N'-(1-(2-Chlorophenyl)ethylidene)-2-hydroxyacetohydrazide (CAS 122432-93-3)
- Methyl 4-(3-chlorophenyl)-4-oxobutanoate (CAS 1249761-08-7)
- Methyl 2-((4-chlorophenyl)(hydroxy)methyl)acrylate (CAS 131469-67-5)
Recommended Standards
- 2-(2,2,2-trifluoroethoxy)ethane-1-sulfonyl chloride (CAS 212190-18-6)
- 4-Chloro-5-hydroxy-2-methylbenzofuran-3-carboxylic acid (CAS 114829-18-4)
- 1-(2-Chloroethyl)-3-fluoro-5-(trifluoromethyl)benzene (CAS 1260829-61-5)
- 4-(4-Nitro-1,3-dioxoisoindolin-2-yl)cyclohexane-1-carboxylic acid (CAS 432537-75-2)
- 6-Cyclopropyl-1-(4-fluorophenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1429233-51-1)
- 6-Methyltetrahydro-2H-pyran-3-ol (CAS 1239275-09-2)
- Ethyl 8-hydroxypyrido[3,2-d]pyrimidine-7-carboxylate (CAS 1352395-77-7)
- 4-Methyl-2-phenyloxazol-5(4H)-one (CAS 90361-55-0)
- (R)-1-Amino-1,2,3,4-Tetrahydronaphthalene (CAS 23357-46-2)
- D-[His]1-Semaglutide X TFA salt (CAS CATO-CPTD788634)
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