2-Chloro-5-methyl-1,3,4-thiadiazole CAS 53645-94-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53645-94-6 |
| Molecular Formula | C3H3ClN2S |
| Molecular Weight | 134.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-Chloro-5-methyl-1,3,4-thiadiazole (CAS 53645-94-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H3ClN2S. Molecular weight: 134.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H3ClN2S |
| Molecular Weight | 134.59 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.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-(Chloromethyl)-1,3,4-thiadiazole (CAS 1823233-50-6)
- 3-(chloromethyl)-1,2,5-thiadiazole (CAS 16311-47-0)
- 4-(Chloromethyl)-1,2,3-thiadiazole (CAS 147123-30-6)
- 5-(naphthalen-2-yl)-1,3,4-oxadiazole-2-thiol (CAS 198780-60-8)
- 1-(2,3-Dimethylphenyl)cyclopentane-1-carboxylate (CAS 723759-20-4)
- Trichlorfon (CAS 52-68-6)
- 2-(Benzyl(methyl)amino)isonicotinonitrile (CAS 501378-53-6)
- (E)-1-((4-chlorophenyl)amino)-4-((2-fluoro-[1,1'-biphenyl]-4-yl)oxy)pent-1-en-3-one (CAS 477888-81-6)
- Ethyl 2-benzoyl-3-((ethoxycarbonyl)amino)-1H-indole-1-carboxylate (CAS 882864-43-9)
- Glucagon Monohydrochloride (CAS 28270-04-4)
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