5-Methyl-2-(pyrazin-2-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate CAS 338409-41-9
| CAS No. | 338409-41-9 |
| Molecular Formula | C16H12ClN3O4S2 |
| Molecular Weight | 409.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Methyl-2-(pyrazin-2-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Methyl-2-(pyrazin-2-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate (CAS 338409-41-9), molecular formula C16H12ClN3O4S2 and molecular weight 409.87 g/mol, is a CATO reference standard with documented purity and traceability.
5-Methyl-2-(pyrazin-2-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate (C16H12ClN3O4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Methyl-2-(pyrazin-2-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate 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 | C16H12ClN3O4S2 |
| Molecular Weight | 409.87 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- 2-(2-Oxo-3-(3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)pyridin-1(2H)-yl)-N-(thiophen-2-ylmethyl)propanamide (CAS 1396631-28-9)
- N-(3-(pyrazin-2-yloxy)phenyl)-4-(trifluoromethoxy)benzenesulfonamide (CAS 866157-06-4)
- N-{1-[3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}-2,3-dihydro-1,4-benzodioxine-2-carboxamide (CAS 1396766-33-8)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-sulfamoylphenyl)acetamide (CAS 618427-35-3)
- 3-(Pyrazin-2-yl)-5-(1-((4-(trifluoromethoxy)phenyl)sulfonyl)azetidin-3-yl)-1,2,4-oxadiazole (CAS 1325687-52-2)
- (Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carboxylate (CAS 866050-52-4)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(naphthalen-1-yl)acetamide (CAS 618427-40-0)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-phenoxyphenyl)acetamide (CAS 578753-06-7)
Recommended Standards
- 11-(3-Chlorophenyl)-2,3-dimethoxy-5,11,12,12a-tetrahydropyrazolo[3',4':4,5]pyrido[2,1-a]isoquinolin-8(6H)-one (CAS 860788-93-8)
- 8-(Benzylamino)-1-(2-chlorobenzyl)-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione (CAS 368837-78-9)
- Amlodipine Impurity 150 (CAS CATO-C4X-1095150)
- (2E)-1-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-3-[(2,3-dimethylphenyl)amino]prop-2-en-1-one (CAS 477888-59-8)
- 2-chloro-5-ethynyl-1H-benzimidazole (CAS 2760860-24-8)
- Afatinib-d6 (CAS 1313874-96-2)
- 2-(3-Chloro-5-methylphenoxy)acetic acid (CAS 25141-36-0)
- Ethyl 2-[1-(4-chlorobenzenesulfonyl)-3-oxopiperazin-2-yl]acetate (CAS 318288-68-5)
- 1-(4-Bromo-2-nitrophenyl)-1,4-diazepane (CAS 1016837-21-0)
- 3-(3,6-Dimethylpyridazin-4-yl)propanoic acid (CAS 1934813-20-3)
- 1,3-Dimethyl-7-(tetramethyl-1,3,2-dioxaborolan-2-yl)indazole (CAS 2304634-04-4)
- Spermidine phosphate (CAS 49721-50-8)
- Diethyl ((1-methyl-1H-pyrazol-5-yl)methyl)phosphonate (CAS 163626-86-6)
- Cholecystokinin Octapeptide free acid (desulfated) (H-2075.0001) (CAS 103974-46-5)
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