4-Hydroxy-3-nitrobenzene-1-sulfonyl chloride CAS 147682-51-7
| CAS No. | 147682-51-7 |
| Molecular Formula | C6H4ClNO5S |
| Molecular Weight | 237.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Hydroxy-3-nitrobenzene-1-sulfonyl chloride is closely related to a carbohydrate-derived structure, an amide group, a sulfone group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-Hydroxy-3-nitrobenzene-1-sulfonyl chloride (CAS 147682-51-7), a certified reference material (molecular formula C6H4ClNO5S, MW 237.62 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H4ClNO5S, 4-Hydroxy-3-nitrobenzene-1-sulfonyl chloride contains a carbohydrate-derived structure, an amide group, a sulfone group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 237.62 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.
CATO manufactures 4-Hydroxy-3-nitrobenzene-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 | C6H4ClNO5S |
| Molecular Weight | 237.62 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 3-Hydroxy-2-nitrobenzenesulfonyl chloride (CAS 1261554-31-7)
- 2-hydroxy-5-nitrobenzene-1-sulfonyl chloride (CAS 1261760-59-1)
- 3-Hydroxy-4-thiomorpholinotetrahydrothiophene 1,1-dioxide (CAS 1183287-22-0)
- 2-Hydroxy-N-isopentyl-4-methoxybenzamide (CAS 1019446-36-6)
- (4-Hydroxy-butyl)-methyl-carbamic acid benzyl ester (CAS 116644-44-1)
- Benzyl (1-hydroxy-3-methylbutan-2-yl)carbamate (CAS 1356582-71-2)
- Benzyl (1-hydroxy-2-methylbutan-2-yl)carbamate (CAS 142687-98-7)
- Benzyl (2-hydroxy-2-methylbutyl)carbamate (CAS 1468505-26-1)
Recommended Standards
- 5-Amino-2-(2-chloro-6-fluorophenyl)oxazole-4-carbonitrile (CAS 1490978-20-5)
- 4-Chloro-3-nitrobenzenesulfonic acid (CAS 121-18-6)
- Regorafenib Impurity 10 (CAS 348-90-3)
- 4-Nitrophenyl sulfochloridate (CAS 18997-12-1)
- 4-(Pyrimidin-4-yl)cyclohexanone (CAS 1956382-53-8)
- [2-[[3-(2-Chlorobenzoyl)-5-ethyl-2-thienyl]amino]-2-oxoethyl]carbamic Acid Benzyl Ester (CAS 50508-73-1)
- [1-(ethoxymethyl)cyclobutyl]methanol (CAS 1423028-33-4)
- 5-Amino-7H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one (CAS 59716-88-0)
- Ethyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinate (CAS 1315350-13-0)
- Ledipasvir Impurity 30 (CAS CATO-C4X-331330)
- 3-Iodo-2-methylbenzofuran (CAS 133838-76-3)
- 3-(2,5-Dimethylfuran-3-carboxamido)benzoic acid (CAS 346579-89-3)
- Ribavirin Impurity 51 (CAS 4928-88-5)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
Why CATO?
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