4-Cyano-2-hydroxy-5-methylbenzene-1-sulfonyl chloride CAS 1807236-96-9
| CAS No. | 1807236-96-9 |
| Molecular Formula | C8H6ClNO3S |
| Molecular Weight | 231.66 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 4-Cyano-2-hydroxy-5-methylbenzene-1-sulfonyl chloride.
4-Cyano-2-hydroxy-5-methylbenzene-1-sulfonyl chloride (CAS 1807236-96-9) is a high-purity analytical reference standard with the molecular formula C8H6ClNO3S and a molecular weight of 231.66 g/mol.
Based on its molecular formula C8H6ClNO3S, 4-Cyano-2-hydroxy-5-methylbenzene-1-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 231.66 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 4-Cyano-2-hydroxy-5-methylbenzene-1-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 | C8H6ClNO3S |
| Molecular Weight | 231.66 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 |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Cyano Standards
- 2-Cyano-5-methoxybenzene-1-sulfonyl chloride (CAS 1261573-04-9)
- 4-Cyano-2-methoxybenzene-1-sulfonyl chloride (CAS 1261791-90-5)
- 3-Cyano-5-methoxybenzenesulfonyl chloride (CAS 1261862-05-8)
- 3-Cyano-4-methoxybenzene-1-sulfonyl chloride (CAS 1261873-96-4)
- 4-Cyano-2-hydroxy-3-methylbenzenesulfonyl chloride (CAS 1803758-93-1)
- 2-Cyano-3-methoxybenzenesulfonyl chloride (CAS 850154-04-0)
- 4-Cyano-3-methoxybenzenesulfonyl chloride (CAS 942199-52-2)
- 5-Cyano-2-methoxybenzenesulfonyl chloride (CAS 409359-25-7)
Recommended Standards
- 2-chloro-1H-1,3-benzodiazole-5-sulfonamide (CAS 1820648-83-6)
- 7-Methyl-[1,2,4]triazolo[1,5-a]pyridine-2-sulfonyl chloride (CAS 175965-05-6)
- 2-Chloro-5-(methylsulfonyl)-5H-pyrrolo[3,2-d]pyrimidine (CAS 1936373-07-7)
- 1H-indazole-3-sulfonamide, 4-chloro- (CAS 162501-75-9)
- Ethyl 6-cyclopropyl-3-(propan-2-yl)-[1,2]oxazolo[5,4-b]pyridine-4-carboxylate (CAS 1251773-90-6)
- 2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyridin-7-amine (CAS 1546447-84-0)
- Sodium chromate tetrahydrate (CAS 10034-82-9)
- tert-Butyl cyclopropyl((1-(2-hydroxyethyl)pyrrolidin-3-yl)methyl)carbamate (CAS 1353986-38-5)
- 2-(1-Methyl-1H-imidazol-2-yl)propan-2-amine (CAS 1082555-90-5)
- Temozolomide Impurity 22 (CAS 1114912-01-4)
- 2-Amino-5-(1-methyl-1h-1,2,4-triazol-5-yl)phenol (CAS 1247504-32-0)
- 2-(3,4,5-Trimethoxyphenyl)ethanol (CAS 37785-48-1)
- N1-butyl-N2-isopropylethane-1,2-diamine (CAS 886503-66-8)
- D-Tyr10-Tirzepatide (CAS CATO-CPTD788922)
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