5-Methyl-2-(pyridin-3-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate CAS 338399-02-3
| CAS No. | 338399-02-3 |
| Molecular Formula | C17H13ClN2O4S2 |
| Molecular Weight | 408.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Methyl-2-(pyridin-3-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.
CATO supplies 5-Methyl-2-(pyridin-3-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate (CAS 338399-02-3), a certified reference material (molecular formula C17H13ClN2O4S2, MW 408.88 g/mol) for analytical method development and quality control.
Structurally, 5-Methyl-2-(pyridin-3-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate (C17H13ClN2O4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 408.88 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-Methyl-2-(pyridin-3-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C17H13ClN2O4S2 |
| Molecular Weight | 408.88 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 | 2 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- 5-Methyl-2-(pyridin-2-yl)-1,3-thiazol-4-yl 2-chloro-4-methanesulfonylbenzoate (CAS 338399-08-9)
- 2-((4-Ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 618414-71-4)
- (Z)-1-(5-(Pyridin-2-yl)oxazol-2-yl)octadec-9-en-1-one (CAS 639819-38-8)
- N-(1-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 1396766-04-3)
- (Z)-1-(5-(Pyridin-2-yl)-1,3,4-oxadiazol-2-yl)octadec-9-en-1-one (CAS 849798-74-9)
- 1-(Pyridin-4-yl)-4-tritylpiperazine (CAS 854159-13-0)
- N-[2-(Pyridin-3-yl)pyrimidin-4-yl]-3,5-bis(trifluoromethyl)benzamide (CAS 866143-29-5)
- N-(2-(3-(Pyridin-4-yl)-4,5,6,7-tetrahydro-1H-indazol-1-yl)ethyl)benzo[c][1,2,5]thiadiazole-5-carboxamide (CAS 1797225-29-6)
Recommended Standards
- N-(1-(tert-butyl)-3-(4-chlorophenyl)-4-cyano-1H-pyrazol-5-yl)-4-methoxybenzamide (CAS 956784-40-0)
- 1-(4-Chlorophenyl)-3-(3-cyano-1-(4-methoxybenzyl)-4,5-dimethyl-1H-pyrrol-2-yl)urea (CAS 866017-64-3)
- Amlodipine (S)-Isomer (CAS 103129-82-4)
- 1-(3-Chlorophenyl)-3-(3-cyano-1-(4-methoxybenzyl)-4,5-dimethyl-1H-pyrrol-2-yl)urea (CAS 866017-63-2)
- 4-(5-Methyl-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)morpholine (CAS 900900-01-8)
- Methyl 12-Bromododecanoate (CAS 26825-95-6)
- 4-Bromomethyl-2-fluoro-3-(trifluoromethyl)pyridine (CAS 1227577-64-1)
- Ractopamine Hydrochloride (CAS 90274-24-1)
- 4-(Benzofuran-2-yl)pyrrolidin-2-one (CAS 75292-87-4)
- Tert-butyl 4-bromo-4-methylpiperidine-1-carboxylate (CAS 1420992-40-0)
- 4-(4-Nitro-1H-pyrazol-1-yl)pyrimidin-2-amine (CAS 1260883-58-6)
- 1-Methylcyclobutane-1-sulfonyl chloride (CAS 2090155-98-7)
- 2-phenoxybutanoyl chloride (CAS 41717-60-6)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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