4-(Chlorosulfonyl)-1-methyl-1h-pyrrole-2-carboxylic acid CAS 1000932-01-3
| CAS No. | 1000932-01-3 |
| Molecular Formula | C6H6ClNO4S |
| Molecular Weight | 223.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-(Chlorosulfonyl)-1-methyl-1h-pyrrole-2-carboxylic acid 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.
4-(Chlorosulfonyl)-1-methyl-1h-pyrrole-2-carboxylic acid (CAS 1000932-01-3), molecular formula C6H6ClNO4S and molecular weight 223.63 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H6ClNO4S, 4-(Chlorosulfonyl)-1-methyl-1h-pyrrole-2-carboxylic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 223.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H6ClNO4S |
| Molecular Weight | 223.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorosulfonyl Standards
- Methyl 4-(chlorosulfonyl)-1h-pyrrole-2-carboxylate (CAS 1354963-62-4)
- 3,5-Bis(chlorosulfonyl)benzoic acid (CAS 21829-31-2)
- Methyl 2-(chlorosulfonyl)furan-3-carboxylate (CAS 1011241-51-2)
- 4-(Chlorosulfonyl)-5-methylfuran-2-carboxylic acid (CAS 1016760-03-4)
- 4-(chlorosulfonyl)-5-methyl-1H-pyrazole-3-carboxylic acid (CAS 1486497-42-0)
- Methyl 5-(Chlorosulfonyl)-1H-pyrazole-4-carboxylate (CAS 1532000-54-6)
- Methyl 5-(chlorosulfonyl)furan-2-carboxylate (CAS 69816-05-3)
- 3-(chlorosulfonyl)propane-1-sulfonyl fluoride (CAS 1803571-16-5)
Recommended Standards
- N-(2-chlorobenzyl)-2,2,2-trifluoroethan-1-amine (CAS 823190-02-9)
- 1-(2-Chloro-6-fluoroquinolin-3-yl)ethanone (CAS 1017429-01-4)
- Methyl 7-chloropyrido[2,3-d]pyrimidine-4-carboxylate (CAS 2306277-66-5)
- 1-(2-Chloro-7-fluoroquinolin-3-yl)ethan-1-one (CAS 1017463-76-1)
- Ethyl 2-((3,4,4-trifluorobut-3-en-1-yl)thio)acetate (CAS 338777-16-5)
- (4-Bromo-2-fluorophenyl)(1,4-diazepan-1-yl)methanone (CAS 1586758-53-3)
- 5-Hydroxy-N,2-dimethylbenzofuran-3-carboxamide (CAS 1704167-11-2)
- Tert-butyl 4-((R)-1-amino-2-methoxy-2-oxoethyl)-3,3-dimethylpiperidine-1-carboxylate (CAS 2387585-37-5)
- 2-(3,5-Dimethylphenoxy)benzaldehyde (CAS 320423-51-6)
- Dexmedetomidine Impurity 76 HCl (CAS CATO-C4X-123076)
- 4-((4-Chlorophenyl)sulfonyl)-N-methyl-2-(thiophen-2-yl)oxazol-5-amine (CAS 627834-57-5)
- 3-Imino-1,7-dimethyl-2,6-dioxabicyclo[2.2.2]octane-4,8,8-tricarbonitrile (CAS 95059-12-4)
- cis-3-(Methoxymethyl)-N-methylcyclobutanamine (CAS 1268521-13-6)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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