Pyridine-2-sulfonyl chloride hydrochloride CAS 111480-84-3
| CAS No. | 111480-84-3 |
| Molecular Formula | C5H4ClNO2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Pyridine-2-sulfonyl chloride hydrochloride (C5H4ClNO2SHCl) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 214.06 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Pyridine-2-sulfonyl chloride hydrochloride (CAS 111480-84-3), molecular formula C5H4ClNO2SHCl and molecular weight 214.06 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Pyridine-2-sulfonyl chloride hydrochloride 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 | C5H4ClNO2S HCl |
| Molecular Weight | 214.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Pyridine Standards
- 2,2'-(Pyridine-2,6-diyl)bis(propan-2-ol) (CAS 100055-21-8)
- 2-(Pyridine-4-carbonyl)cyclohexan-1-one (CAS 100192-17-4)
- Pyridine, 3,3'-[5',5''-bis[3-(3-pyridinyl)phenyl][1,1':3',1'':3'',1'''-quaterphenyl]-3,3'''-diyl]bis- (CAS 1009033-94-6)
- Pyridine-3-sulfinic acid (CAS 101084-77-9)
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- Pyridine, 2-chloro-3-methoxy-4-nitro-, 1-oxide (CAS 101664-57-7)
- Pyridine-3,4-diol (CAS 10182-48-6)
Recommended Standards
- 2-Methylamine-4,6-dimethylnicotinamide (CAS 276873-05-3)
- 3-Cyclopropyl-6-ethyl-1-(4-methoxyphenyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1018151-28-4)
- 2-(1H-1,2,3-Triazol-1-yl)-1H-benzo[d]imidazole (CAS 30597-97-8)
- 1-Cyclobutyl-2,2-dimethylpropan-1-one (CAS 80875-33-8)
- (R,R)-2-Iodo-1,3-bis[1-(mesitylcarbamoyl)ethoxy]benzene (CAS 1226896-38-3)
- N-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)benzamide (CAS 392719-93-6)
- 3-(4-Formyl-5-hydroxy-6-methylpyridin-3-yl)propanoic acid (CAS 16133-22-5)
- 2-[(2-amino-2-oxoethyl)amino]benzamide (CAS 941203-88-9)
- N,N'-(4-Cyclopropoxy-1,2-phenylene)dimethanesulfonamide (CAS 1243451-00-4)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
Why CATO?
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