Benzo[c][1,2,5]oxadiazole-5-sulfonyl chloride CAS 160232-20-2
| CAS No. | 160232-20-2 |
| Molecular Formula | C6H3ClN2O3S |
| Molecular Weight | 218.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzo[c][1,2,5]oxadiazole-5-sulfonyl chloride (CAS 160232-20-2) is a high-purity analytical reference standard with the molecular formula C6H3ClN2O3S and a molecular weight of 218.62 g/mol.
Based on its molecular formula C6H3ClN2O3S, Benzo[c][1,2,5]oxadiazole-5-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 218.62 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.
As a certified reference material (CRM), Benzo[c][1,2,5]oxadiazole-5-sulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H3ClN2O3S |
| Molecular Weight | 218.62 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Benzo Standards
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Recommended Standards
- 7H-Purine-6-sulfonyl chloride (CAS 1248933-54-1)
- 6-Chloro-2-methyl-5-nitroimidazo[2,1-b][1,3,4]thiadiazole (CAS 256348-40-0)
- 4-Chloro-1-(2,5-difluorophenyl)butan-1-one (CAS 1216260-42-2)
- Methyl 5-chloro-2-fluoro-4-methoxybenzoate (CAS 211172-73-5)
- 2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino}ethan-1-ol (CAS 190437-61-7)
- sodium (2S,4S)-4-cyclohexyl-1-(2-((S)-((S)-2-methyl-1-(propionyloxy)propoxy)(4-phenylbutyl)phosphoryl)acetyl)pyrrolidine-2-carboxylate (CAS 1279038-37-7)
- 3-Amino-1-(naphthalen-2-yl)propan-1-ol (CAS 1089349-64-3)
- 2-Tert-Butyl-4-Hydroxyanisole (CAS 88-32-4)
- Quinazolin-6-ol (CAS 7556-93-6)
- N-(2,6-Dichlorophenyl)-1H-pyrrolo[2,3-b]pyridine-4-carboxamide (CAS 1403667-44-6)
- 4-Methoxypicolinimidamide (CAS 1179533-40-4)
- Tert-butyl 4-fluoro-1-oxa-6-azaspiro[2.5]Octane-6-carboxylate (CAS 1959557-40-4)
- (2E)-N-[2-(2,4-Dichlorophenoxy)ethyl]but-2-enamide (CAS 866150-29-0)
- [14-31]-Semaglutide (CAS CATO-C4X-2226262)
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