2-Chloro-5-(chloromethyl)-1,3,4-thiadiazole CAS 65647-54-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 65647-54-3 |
| Molecular Formula | C3H2Cl2N2S |
| Molecular Weight | 169.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-5-(chloromethyl)-1,3,4-thiadiazole (CAS 65647-54-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H2Cl2N2S. Molecular weight: 169.03 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H2Cl2N2S |
| Molecular Weight | 169.03 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-5-(chloromethyl)-1,2,3-thiadiazole (CAS 1354949-49-7)
- 5-Chloro-3-(chloromethyl)-1,2,4-thiadiazole (CAS 74461-64-6)
- 5-Chloro-4-(chloromethyl)-1,2,3-thiadiazole (CAS 88127-85-9)
- 2-chloro-5-(chloromethyl)pyrazine (CAS 105985-21-5)
- 2-chloro-5-(chloromethyl)pyrimidine (CAS 148406-13-7)
- 2-chloro-3-(chloromethyl)pyrazine (CAS 45660-95-5)
- 2-Chloro-3,3-dimethylbutanoyl chloride (CAS 52920-18-0)
- 2-Chloro-4-methylpentanoyl chloride (CAS 62721-37-3)
Recommended Standards
- 6-indoleboric acid (CAS 147621-18-9)
- 4-(dichloromethylene)morpholin-4-ium (CAS 790600-30-5)
- 5-indoleboronic acid (CAS 144104-59-6)
- (2-((Benzyloxy)carbonyl)-1,2,3,4-tetrahydroisoquinolin-6-yl)boronic acid (CAS 1020173-39-0)
- Butane-2-sulfonyl fluoride (CAS 1349715-81-6)
- 4-bromo-N-(2,5-dimethoxyphenyl)benzenesulfonamide (CAS 349398-73-8)
- 2-Cyano-N-(3,4-dimethylphenyl)-3-(4-hydroxy-3-methoxyphenyl)propanamide (CAS 1260943-79-0)
- 2,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine (CAS 2347374-92-7)
- 2-Bromo-5-cyano-4-(difluoromethyl)benzoic acid (CAS 1807073-30-8)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
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