2-(1H-imidazol-1-yl)ethane-1-sulfonyl chloride hydrochloride CAS 1955557-93-3
| CAS No. | 1955557-93-3 |
| Molecular Formula | C5H7ClN2O2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 231.09 g/mol gives 2-(1H-imidazol-1-yl)ethane-1-sulfonyl chloride hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(1H-imidazol-1-yl)ethane-1-sulfonyl chloride hydrochloride (CAS 1955557-93-3) is a high-purity analytical reference standard with the molecular formula C5H7ClN2O2SHCl and a molecular weight of 231.09 g/mol.
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(1H-imidazol-1-yl)ethane-1-sulfonyl chloride hydrochloride is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 231.09 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 2-(1H-imidazol-1-yl)ethane-1-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 | C5H7ClN2O2S HCl |
| Molecular Weight | 231.09 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related H Standards
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Recommended Standards
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- (R)-3-Hydroxy-L-leucine (CAS 10148-71-7)
- 2-Hydroxy-6-isopropylnicotinaldehyde (CAS 1289033-75-5)
- [2-(2,6-Dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]boronic acid (CAS 2193080-09-8)
- ((2S,5R)-5-(2,6-Diamino-9H-purin-9-yl)-2,5-dihydrofuran-2-yl)methanol (CAS 109881-25-6)
- tert-Butyl 1-(2-methoxyethyl)piperidin-4-ylcarbamate (CAS 502639-07-8)
- 11-Methyldodecanol (CAS 85763-57-1)
- n-(5-Chloro-2-methoxyphenyl)-2-(methylamino)acetamide hydrochloride (CAS 1170253-41-4)
- Atrial Natriuretic Polypeptide (4-28), human (CAS 95896-08-5)
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