2H-1,2,3-Triazole-4-sulfonyl chloride CAS 1106727-22-3
| CAS No. | 1106727-22-3 |
| Molecular Formula | C2H2ClN3O2S |
| Molecular Weight | 167.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2H-1,2,3-Triazole-4-sulfonyl chloride (CAS 1106727-22-3), molecular formula C2H2ClN3O2S and molecular weight 167.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C2H2ClN3O2S, 2H-1,2,3-Triazole-4-sulfonyl chloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 167.57 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 2H-1,2,3-Triazole-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 | C2H2ClN3O2S |
| Molecular Weight | 167.57 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related H Standards
- 1H-1,2,3-Triazole-5-sulfonyl chloride (CAS 895132-46-4)
- 4H-1,2,4-triazole-3-sulfonyl chloride (CAS 6461-29-6)
- 2-(1H-1,2,3-Triazole-4-carboxamido)acetic acid (CAS 136868-57-0)
- 3-(4h-1,2,4-Triazole-3-carbonyl)pyridine (CAS 1483129-37-8)
- 4-(4H-1,2,4-triazole-3-carbonyl)pyridine (CAS 1520363-52-3)
- 2-(4H-1,2,4-triazole-3-carbonyl)pyridine (CAS 1909336-64-6)
- 1H-1,2,3-triazole-4-carbaldehyde 1H-[1,2,3]TRIAZOLE-4-CARBALDEHYDE 32829-25-7 (CAS 32829-25-7)
- 5-Phenyl-1,2,3-triazole-4-carbaldehyde (CAS 51719-84-7)
Recommended Standards
- Ethyl 2-Chloro-2-nitroacetate (CAS 14011-27-9)
- 5-Chloro-1,1-dioxo-isothiazol-3-one (CAS 1239320-63-8)
- 4-(Chloromethyl)-5-(difluoromethyl)oxazole (CAS 2006920-94-9)
- Oxazole-2-sulfonyl chloride (CAS 184170-50-1)
- H-gly-tyr-oh hydrate (CAS 207300-83-2)
- (1,1-dioxido-2H-naphtho[1,8-cd]isothiazol-2-yl)acetic acid (CAS 857041-85-1)
- 3-(5-Chloro-1H-benzimidazol-2-yl)propan-1-amine dihydrochloride (CAS 1158738-89-6)
- 2,2-Dimethyl-3-(pyridin-3-yl)propanoic acid (CAS 162648-14-8)
- Ethanol, 2,2'-iminobis-, polymer with 2-(chloromethyl)oxirane and N1,N1-dimethyl-1,3-propanediamine (CAS 62739-28-0)
- (2-(((2,5-Dimethylphenyl)amino)methyl)phenyl)methanol (CAS 356538-93-7)
- 2,6-Dichloronicotinyl Chloride (CAS 58584-83-1)
- rac-3-Hydroxyheptadecanoic Acid (CAS 40165-89-7)
- 8-Chloro-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepine hydrochloride (CAS 956431-49-5)
- Neuropeptide Y (porcine) trifluoroacetate salt (CAS 83589-17-7)
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