Methyl 2,4-dichlorothiazole-5-carboxylate CAS 861708-66-9
| CAS No. | 861708-66-9 |
| Molecular Formula | C5H3Cl2NO2S |
| Molecular Weight | 212.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl 2,4-dichlorothiazole-5-carboxylate (CAS 861708-66-9), molecular formula C5H3Cl2NO2S and molecular weight 212.05 g/mol, is a CATO reference standard with documented purity and traceability.
Methyl 2,4-dichlorothiazole-5-carboxylate (C5H3Cl2NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures Methyl 2,4-dichlorothiazole-5-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H3Cl2NO2S |
| Molecular Weight | 212.05 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Methyl 2,5-dichlorothiazole-4-carboxylate (CAS 135925-32-5)
- 2,5-Dichlorothiazole-4-carboxylic Acid (CAS 127426-30-6)
- 2,4-Dichlorothiazole-5-carboxylic acid (CAS 62019-56-1)
- 4,5-Dichlorothiazole-2-carboxylic acid (CAS 62019-55-0)
- Ethyl 2,4-dichlorothiazole-5-carboxylate (CAS 125759-82-2)
- Ethyl 2,5-dichlorothiazole-4-carboxylate (CAS 135925-33-6)
- Ethyl 4,5-dichlorothiazole-2-carboxylate (CAS 79807-38-8)
- 2,5-dichlorothiazole-4-carboxamide (CAS 127426-27-1)
Recommended Standards
- cis-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopropanecarboxylic acid (CAS 2382719-63-1)
- Methyl 3,4-dichloroisothiazole-5-carboxylate (CAS 352010-56-1)
- 8-Bromo-6-methyl-[1,2,4]triazolo[1,5-a]pyridine (CAS 957062-94-1)
- Vonoprazan Impurity 194 (CAS 33263-44-4)
- Sodium phenylsulfamate (CAS 15790-84-8)
- 1-Heneicosyl Formate (CAS 77899-03-7)
- 2,3-Dimethyl-4H-furo[3,2-b]pyrrole-5-carboxylic acid hydrazide (CAS 155445-45-7)
- Tert-butyl n-[(3-fluoro-4-formylphenyl)methyl]carbamate (CAS 1372096-37-1)
- Phenyl sulfamate (CAS 19792-91-7)
- delafloxacin Impurity 4 (CAS CATO-C4X-26374)
- 6-bromopyrrolo[2,1-f][1,2,4]triazin-2-amine (CAS 2568951-87-9)
- 5-HO-EHDPP (CAS 2173149-33-0)
- Amopyroquine N-Oxide (CAS 172476-17-4)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
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