4-Ethyl-[1,2,3]thiadiazole-5-carbonyl chloride 889939-72-4 CAS 889939-72-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 889939-72-4 |
| Molecular Formula | C5H5ClN2OS |
| Molecular Weight | 176.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Ethyl-[1,2,3]thiadiazole-5-carbonyl chloride 889939-72-4 (CAS 889939-72-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5ClN2OS. Molecular weight: 176.62 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2OS |
| Molecular Weight | 176.62 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 1,3,4-Thiadiazole-2,5-dicarboxylic acid (CAS 188935-31-1)
- 1,2,5-Thiadiazole-3,4-dicarboxylic acid (CAS 3762-94-5)
- 5-methyl-1,3,4-thiadiazole-2-sulfonamide (CAS 66464-90-2)
- 4-Propyl-1,2,3-thiadiazole-5-carboxylic acid (CAS 1021073-44-8)
- 5-Propyl-1,2,3-thiadiazole-4-carboxylic acid (CAS 1707735-20-3)
- 5-methyl-1,3,4-thiadiazole-2-sulfonyl fluoride (CAS 1909313-52-5)
- 1,2,5-Thiadiazole-3-carboxylic acid, 4-(1-propyn-1-yl)-, methyl ester (CAS 2618882-53-2)
- 1,1'-(1,2,5-Thiadiazole-3,4-diyl)diethanone (CAS 112390-32-6)
Recommended Standards
- N-(4-chlorothiazol-2-yl)acetamide (CAS 89283-43-2)
- Rivaroxaban Impurity 103 (CAS 35475-03-7)
- Methyl 4-chlorothiophene-3-carboxylate (CAS 88770-14-3)
- Dimethyl4,4'-(porphyrin-5,15-diyl)dibenzoate (CAS 318488-02-7)
- (S)-3-[((S)-2-Amino-propionyl)-methyl-amino]-piperidine-1-carboxylic acid tert-butyl ester (CAS 1401667-46-6)
- LCZ-696 Impurity 63 (CAS CATO-C4X-169663)
- Ethyl 4-cyano-5-(2,5-dichlorothiophene-3-carboxamido)-3-methylthiophene-2-carboxylate (CAS 896325-44-3)
- Methyl 2-{2-amino-2-[2-(6-chloro-2-pyridinyl)hydrazono]ethoxy}benzenecarboxylate (CAS 338756-17-5)
- 8-Ethoxyquinoline-5-carboxylic acid (CAS 91569-71-0)
- Retatrutide (CAS 2381089-83-2)
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