3-Chlorobut-2-enoic acid CAS 55831-56-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55831-56-6 |
| Molecular Formula | C4H5ClO2 |
| Molecular Weight | 120.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Chlorobut-2-enoic acid (CAS 55831-56-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H5ClO2. Molecular weight: 120.53 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1972 |
| Halogen Content | Cl-containing |
Related Chlorobut Standards
- 4-chlorobut-2-enoic acid (CAS 16197-90-3)
- (E)-4-chlorobut-2-enoic acid (CAS 26340-58-9)
- 2-Chlorobut-3-enoic acid (CAS 24253-33-6)
- 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
- 3-Oxobutanoyl chloride (CAS 39098-85-6)
- 2-Chloro-2-dioxene (CAS 57253-40-4)
- Allyl Chloroformate (CAS 2937-50-0)
- 1H-Pyrrole-3-carboxylic acid, 5-formyl-1-methyl-, methyl estermethyl 5-formyl-1-methyl-1H-pyrrole-3-carboxylate (CAS 119580-82-4)
- Methyl 2-(aminomethylene)-3-oxobutanoate (CAS 113481-03-1)
- 8-Ethyl-4-(3-phenylpropanoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326814-02-1)
- tert-butyl 5-amino-1H-indole-2-carboxylate (CAS 152213-43-9)
- 4-[(3-Nitrophenoxy)methyl]piperidine (CAS 946725-50-4)
- Tert-butyl 5-fluoro-3-methyl-2-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 1638761-17-7)
- Sperm Activating Peptide, Sea Urchin (CAS 140653-27-6)
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