2-Hydroxy-3,5-dimethylbenzene-1-sulfonyl chloride CAS 872277-84-4
| CAS No. | 872277-84-4 |
| Molecular Formula | C8H9ClO3S |
| Molecular Weight | 220.67 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 2-Hydroxy-3,5-dimethylbenzene-1-sulfonyl chloride.
2-Hydroxy-3,5-dimethylbenzene-1-sulfonyl chloride (CAS 872277-84-4), molecular formula C8H9ClO3S and molecular weight 220.67 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 2-Hydroxy-3,5-dimethylbenzene-1-sulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 220.67 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 2-Hydroxy-3,5-dimethylbenzene-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 | C8H9ClO3S |
| Molecular Weight | 220.67 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; 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.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 4-Hydroxy-3,5-dimethylbenzenesulfonyl chloride (CAS 13432-82-1)
- 2-Hydroxy-4,5-dimethylbenzene-1-sulfonyl chloride (CAS 1806537-13-2)
- N-hydroxy-4-((2-methoxyethyl)amino)-1,2,5-oxadiazole-3-carbimidoyl chloride (CAS 1204669-61-3)
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- 1-(2-Hydroxy-5-isopropylphenyl)-3-methylbutan-1-one (CAS 1226184-18-4)
Recommended Standards
- 2-Ethyl-4,4-difluorobutane-1-sulfonyl chloride (CAS 2021249-06-7)
- 2-Methoxy-4-methylbenzene-1-sulfonyl chloride (CAS 216394-11-5)
- 2-Ethoxybenzenesulfonyl chloride (CAS 68800-33-9)
- 2-Methoxy-5-methylbenzenesulfonyl Chloride (CAS 88040-86-2)
- 3-(2-Azidoethyl)-2-ethyl-2,4,6,7-tetrahydropyrano[4,3-c]pyrazole (CAS 2098046-87-6)
- 2-(4-Fluorophenyl)-4-(2-methoxyphenyl)-5-methyl-2H-imidazole (CAS 865658-12-4)
- 4-Bromo-2-(methylthio)benzo[d]oxazole (CAS 1803859-93-9)
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- 1,2-Dimethyl-1,3a,4,5,6,6a-hexahydrocyclopenta[d]imidazole (CAS 401825-15-8)
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