4-chlorobut-2-enoic acid CAS 16197-90-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16197-90-3 |
| Molecular Formula | C4H5ClO2 |
| Molecular Weight | 120.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-chlorobut-2-enoic acid (CAS 16197-90-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H5ClO2. Molecular weight: 120.53 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H5ClO2 |
| Molecular Weight | 120.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
Related chlorobut Standards
- (E)-4-chlorobut-2-enoic acid (CAS 26340-58-9)
- 2-Chlorobut-3-enoic acid (CAS 24253-33-6)
- 3-Chlorobut-2-enoic acid (CAS 55831-56-6)
- 4-Chlorobut-2-ynoic acid (CAS 13280-03-0)
- Methyl 4-chlorobut-2-ynoate (CAS 41658-12-2)
- (E)-4-Chlorobut-2-en-1-ol (CAS 1775-39-9)
- 4-Chlorobut-2-en-1-ol (CAS 7523-44-6)
- methyl 2-chlorobut-3-enoate (CAS 51171-63-2)
Recommended Standards
- 2-Chlorocyclopropane-1-carboxylic acid (CAS 1258298-11-1)
- oxetane-3-carbonyl chloride (CAS 1637758-08-7)
- 1-chlorocyclopropanecarboxylic acid (CAS 108817-35-2)
- 3-Amino-5-(piperidinocarbonyl)phenylboronic acid (CAS 2096336-80-8)
- 3-(2-Chlorophenyl)piperidin-2-one (CAS 1267039-62-2)
- 1-Bromo-4-chloro-5-methyl-2-nitrobenzene (CAS 1160573-61-4)
- 1-Methyl-1,2-dihydro-3H-pyrazole-3-thione (CAS 79208-64-3)
- 2-(4-Phenylpiperazin-1-yl)quinazolin-4(3H)-one (CAS 129663-89-4)
- N-(4-(1H-Imidazol-1-yl)phenyl)-4-(tert-butyl)benzenesulfonamide (CAS 945526-43-2)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com