5-Chloro-n-methylthiophene-2-sulfonamide CAS 67060-79-1
| CAS No. | 67060-79-1 |
| Molecular Formula | C5H6ClNO2S2 |
| Molecular Weight | 211.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-n-methylthiophene-2-sulfonamide (CAS 67060-79-1), molecular formula C5H6ClNO2S2 and molecular weight 211.69 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H6ClNO2S2, 5-Chloro-n-methylthiophene-2-sulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 211.69 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.
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.
CATO manufactures 5-Chloro-n-methylthiophene-2-sulfonamide 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 | C5H6ClNO2S2 |
| Molecular Weight | 211.69 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Chloro Standards
- 3-Chloro-N-ethyl-N-phenylpropanamide (CAS 100129-45-1)
- 6-Chloro-N-cyclohexylpyridazin-3-amine (CAS 1014-77-3)
- 2-Chloro-N-(2-ethylphenyl)propanamide (CAS 1016802-55-3)
- 4-Chloro-2-(((cyclopropylmethyl)amino)methyl)phenol (CAS 1019507-73-3)
- 2-Chloro-N,N-diethylbenzamide (CAS 10345-79-6)
- (1-(5-Chloro-2-methoxyphenyl)cyclopropyl)methanamine (CAS 1039953-30-4)
- 105907-34-4 3-Chloro-N-(4-methylbenzyl)propanamide 8266AC C11H14ClNO (CAS 105907-34-4)
- 2-Chloro-N-(3,4-dimethylphenyl)propanamide (CAS 108871-73-4)
Recommended Standards
- 5-chloro-2-(cyclopentyloxy)aniline (CAS 946761-13-3)
- 6-Chloro-2,2-dimethylchroman-4-amine (CAS 841269-03-2)
- 5-(Chloromethyl)-2-(p-tolyl)oxazolidine (CAS 735322-56-2)
- 6-Chloro-N-cyclohexyl-4-pyrimidinamine (CAS 61667-11-6)
- 1-Decene, polymer with 4-methyl-1-pentene (CAS 25155-83-3)
- Methyl (2-(3-amino-2-oxopyridin-1(2H)-yl)ethyl)prolinate (CAS 2171110-48-6)
- 3,5-Difluoro-2-methylbenzenesulfonamide (CAS 1803735-00-3)
- 2-Acetylnicotinic acid (CAS 89942-59-6)
- Bixafen (CAS 581809-46-3)
- [Asp5,Gly9-OH]-Atosiban TFA Salt (CAS CATO-C4X-229320)
- (2,5-Difluorophenyl)(quinolin-3-yl)methanone (CAS 1187167-08-3)
- (2S,3S)-2,3-Bis(benzoyloxy)-3-[(propan-2-yl)carbamoyl]propanoic acid (CAS 2227199-14-4)
- 1-Butyl-4-iodo-3-methyl-1H-pyrazol-5-amine (CAS 1248805-32-4)
- Tau Peptide (512-525) amide trifluoroacetate salt (CAS 2022956-61-0)
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 18665070610 / Nicole.chen@cato-chem.com