4-Chlorothiazole-5-carbonyl chloride CAS 1133931-01-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1133931-01-7 |
| Molecular Formula | C4HCl2NOS |
| Molecular Weight | 182.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chlorothiazole-5-carbonyl chloride (CAS 1133931-01-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4HCl2NOS. Molecular weight: 182.03 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4HCl2NOS |
| Molecular Weight | 182.03 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothiazole Standards
- Methyl 4-chlorothiazole-5-carboxylate (CAS 1015591-57-7)
- Methyl 4-chlorothiazole-2-carboxylate (CAS 1465782-87-9)
- Methyl 5-chlorothiazole-4-carboxylate (CAS 1784463-68-8)
- Methyl 5-Chlorothiazole-2-carboxylate (CAS 98136-57-3)
- Ethyl 2-Chlorothiazole-4-carboxylate (CAS 41731-52-6)
- Ethyl 2-Chlorothiazole-5-carboxylate (CAS 81449-93-6)
- Ethyl 4-chlorothiazole-5-carboxylate (CAS 444909-55-1)
- Ethyl 5-chlorothiazole-4-carboxylate (CAS 425392-45-6)
Recommended Standards
- 2-Bromobenzonitrile (CAS 2042-37-7)
- 3,4-Dichloroisothiazole-5-carbaldehyde (CAS 1161865-89-9)
- 4-Bromobenzonitrile (CAS 623-00-7)
- 2-((4-Phenylphthalazin-1-yl)oxy)ethyl acetate (CAS 503441-98-3)
- (2R,5S)-3-(4-fluorophenyl)-2-isopropyl-5-methyl-1-(2,2,2-trifluoroacetyl)imidazolidin-4-one (CAS 1353780-20-7)
- 2-Ethoxy-3-fluoropyridine (CAS 858675-63-5)
- 1,2-Dimethyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid (CAS 1023813-29-7)
- Dapagliflozin Impurity 164 (CAS CATO-C4X-1138164)
- 4-(((6-Methoxyquinolin-3-yl)methyl)amino)benzenesulfonamide (CAS 62294-85-3)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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