Methyl 5-Chlorothiazole-2-carboxylate CAS 98136-57-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 98136-57-3 |
| Molecular Formula | C5H4ClNO2S |
| Molecular Weight | 177.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-Chlorothiazole-2-carboxylate (CAS 98136-57-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H4ClNO2S. Molecular weight: 177.61 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H4ClNO2S |
| Molecular Weight | 177.61 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl 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)
- 4-Chlorothiazole-5-carbonyl chloride (CAS 1133931-01-7)
- 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
- Methyl 2-chloro-1,3-thiazole-4-carboxylate (CAS 850429-61-7)
- 39060-31-6 5-Chlorbenzofurazan-3-oxide 6-chlorobenzo[c][1,2,5]oxadiazole 1-oxide (CAS 39060-31-6)
- Acetazolamide Impurity 8 (CAS 4454-63-1)
- 4-(2-(Pyridin-2-yl)ethyl)aniline dihydrochloride (CAS 1185296-34-7)
- Boc-2-Nal-OH (CAS 58438-04-3)
- 1-Allyl-2-(trifluoromethyl)-1H-benzo[d]imidazole (CAS 139591-03-0)
- (R)-2-((2-fluorophenoxy)methyl)piperazine (CAS 1589081-79-7)
- Ethyl 2-(7-(3-fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetate (CAS 1207032-75-4)
- (S)-1-(2,4,6-Trifluorophenyl)ethan-1-ol (CAS 1568193-05-4)
- SAMS Peptide (CAS 125911-68-4)
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