5-Chlorobenzo[c][1,2,5]oxadiazole-4-sulfonyl chloride CAS 175203-78-8
| CAS No. | 175203-78-8 |
| Molecular Formula | C6H2Cl2N2O3S |
| Molecular Weight | 253.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H2Cl2N2O3S, 5-Chlorobenzo[c][1,2,5]oxadiazole-4-sulfonyl chloride 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 253.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Chlorobenzo[c][1,2,5]oxadiazole-4-sulfonyl chloride (CAS 175203-78-8) is a high-purity analytical reference standard with the molecular formula C6H2Cl2N2O3S and a molecular weight of 253.06 g/mol.
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 5-Chlorobenzo[c][1,2,5]oxadiazole-4-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 | C6H2Cl2N2O3S |
| Molecular Weight | 253.06 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
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Recommended Standards
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- 1-Bromo-3-ethyl-5-(trifluoromethyl)benzene (CAS 1369927-96-7)
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- 3-methyl-2H-pyrido[2,3-e][1,2,4]thiadiazine 1,1-dioxide (CAS 70661-86-8)
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- 4-Methoxy-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 87853-70-1)
- 7-Chloro-1-cyclopropyl-1,2,3,4-tetrahydroquinoxaline (CAS 1363405-05-3)
- 4-Bromo-1-fluoro-2-propoxybenzene (CAS 1062618-87-4)
- 2-(2,3-Dihydro-1H-inden-5-yloxy)butanoyl chloride (CAS 1160257-64-6)
- 2-(2-(2,6-Dichlorophenoxy)ethyl)-1,3-dioxolane (CAS 1226306-16-6)
- tert-Butyl (5-acetyl-6-fluoropyridin-2-yl)carbamate (CAS 1445962-06-0)
- (S)-Methyl 2-acetamido-3-(4-methoxyphenyl)propanoate (CAS 17355-24-7)
- Peptide 431 (CAS CATO-CPTD788431)
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