4-Methyl-1,2,3-thiadiazole-5-carbonyl chloride 4-methyl-[1,2,3]thiadiazole-5-carbonyl chloride 5-Chlorocarbonyl-4-methyl-1,2,3-thiadiazole 59944-65-9 CAS 59944-65-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 59944-65-9 |
| Molecular Formula | C4H3ClN2OS |
| Molecular Weight | 162.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methyl-1,2,3-thiadiazole-5-carbonyl chloride 4-methyl-[1,2,3]thiadiazole-5-carbonyl chloride 5-Chlorocarbonyl-4-methyl-1,2,3-thiadiazole 59944-65-9 (CAS 59944-65-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H3ClN2OS. Molecular weight: 162.60 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H3ClN2OS |
| Molecular Weight | 162.60 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 5-Phenyl-[1,2,3]thiadiazole (CAS 18212-29-8)
- 3-phenyl-1,2,4-thiadiazole (CAS 50483-82-4)
- 4-phenyl-1,2,3-Thiadiazole (CAS 25445-77-6)
- 5-Propyl-[1,3,4]thiadiazole-2-thiol (CAS 37663-50-6)
- 1,2,4-Thiadiazole-3-sulfonamide (CAS 1315367-13-5)
- 4-Methyl-1,2,3-thiadiazole-5-carbothioamide (CAS 256420-27-6)
- 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide (CAS 1375066-73-1)
- Ethyl 1,3,4-Thiadiazole-2-carboxylate (CAS 1378819-08-9)
Recommended Standards
- 5-Chlorothiazole-2-carboxamide (CAS 98027-07-7)
- 3-Chloro-2-fluorobenzenethiol (CAS 1121585-29-2)
- 2-Chlorothiazole-5-carboxamide (CAS 761454-63-1)
- 3-Amino-1-ethyl-6-hydroxy-4-methylpyridin-2(1H)-one (CAS 94492-81-6)
- Methyl 3-(2-((tert-butoxycarbonyl)amino)ethyl)benzoate (CAS 179003-02-2)
- (E)-{1-[2-(4-chlorophenyl)-4-methyl-1,3-thiazol-5-yl]ethylidene}amino N-phenylcarbamate (CAS 477872-50-7)
- 3-(5-(2-(Trifluoromethyl)phenyl)furan-2-yl)propanoic acid (CAS 853310-21-1)
- Ethyl (tosylmethyl)carbamate (CAS 2850-26-2)
- Ethyl 5-aminobenzofuran-2-carboxylate hydrochloride (CAS 183288-42-8)
- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
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