5-(2-(Methylthio)pyrimidin-4-yl)thiophene-2-sulfonyl chloride CAS 175202-76-3
| CAS No. | 175202-76-3 |
| Molecular Formula | C9H7ClN2O2S3 |
| Molecular Weight | 306.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(2-(Methylthio)pyrimidin-4-yl)thiophene-2-sulfonyl chloride.
5-(2-(Methylthio)pyrimidin-4-yl)thiophene-2-sulfonyl chloride (CAS 175202-76-3), molecular formula C9H7ClN2O2S3 and molecular weight 306.81 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H7ClN2O2S3, 5-(2-(Methylthio)pyrimidin-4-yl)thiophene-2-sulfonyl chloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 306.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-(2-(Methylthio)pyrimidin-4-yl)thiophene-2-sulfonyl chloride 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 | C9H7ClN2O2S3 |
| Molecular Weight | 306.81 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
Related Methylthio Standards
- 4-(2-(Methylthio)pyrimidin-4-yl)thiophene-2-sulfonyl chloride (CAS 874841-65-3)
- N-(4-((Methylthio)methyl)thiazol-2-yl)-4-phenylbutanamide (CAS 955835-89-9)
- N-(4-(Methylthio)benzo[d]thiazol-2-yl)cyclohexanecarboxamide (CAS 899983-08-5)
- N-(2-(Methylthio)benzo[d]thiazol-5-yl)thiophene-2-carboxamide (CAS 312614-40-7)
- N-(2-(Methylthio)benzo[d]thiazol-6-yl)thiophene-2-carboxamide (CAS 302939-09-9)
- 2-(Methylthio)-5,6,7,8-tetrahydroquinazolin-4-yl thiophene-2-carboxylate (CAS 303987-62-4)
- Ethyl 2-(methylthio)-5-(phenylthio)pyrimidine-4-carboxylate (CAS 61727-12-6)
- ({[4-(methylthio)-3-nitrophenyl]sulfonyl}amino)acetic acid (CAS 743453-41-0)
Recommended Standards
- (2E)-1-[2-(3-Chlorophenyl)-4-methyl-1,3-thiazol-5-yl]-3-(dimethylamino)prop-2-en-1-one (CAS 1382694-68-9)
- 1-Cyclopentyl-5-(propoxymethyl)-1H-pyrazole-4-sulfonyl chloride (CAS 1856019-80-1)
- 5-Chloro-4-hydrazinyl-N,N-dipropylpyridine-3-sulfonamide (CAS 1352506-92-3)
- (2E)-1-[2-(2-Chlorophenyl)-4-methyl-1,3-thiazol-5-yl]-3-(dimethylamino)prop-2-en-1-one (CAS 478047-33-5)
- Fenclofenac Ethyl Ester (CAS 86308-84-1)
- (1-(3-Methyl-1H-pyrrolo[2,3-b]pyridin-1-yl)cyclobutyl)methanol (CAS 1823263-03-1)
- (5-Chloro-2-cyclopropylpyridin-3-yl)boronic acid (CAS 2225179-43-9)
- 3-((Tetrahydro-2h-pyran-4-yl)oxy)propane-1-sulfonyl chloride (CAS 1411564-49-2)
- 2-(4-Hydroxybutyl)-2H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 923284-12-2)
- Tert-butyl (2-((4-fluorobenzyl)amino)ethyl)carbamate (CAS 519172-79-3)
- Gefitinib Impurity 75 (CAS CATO-C4X-111775)
- 2-(Phenethylamino)ethanol (CAS 2842-37-7)
- Methyl 2-chlorocyclopent-1-ene-1-carboxylate (CAS 66839-38-1)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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