3-Phenylprop-2-yne-1-sulfonyl chloride CAS 2138423-35-3
| CAS No. | 2138423-35-3 |
| Molecular Formula | C9H7ClO2S |
| Molecular Weight | 214.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Phenylprop-2-yne-1-sulfonyl chloride (C9H7ClO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 214.67 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
3-Phenylprop-2-yne-1-sulfonyl chloride (CAS 2138423-35-3) is a high-purity analytical reference standard with the molecular formula C9H7ClO2S and a molecular weight of 214.67 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.
As a certified reference material (CRM), 3-Phenylprop-2-yne-1-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 | C9H7ClO2S |
| Molecular Weight | 214.67 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-Chloro-n-(3-cyanothiophen-2-yl)propanamide (CAS 785792-26-9)
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- 2-Chloro-N-(cyano-2-thienylmethyl)acetamide (CAS 263137-41-3)
- 4-Chloro-2-(methoxymethyl)thiazolo[4,5-c]pyridine (CAS 2409835-63-6)
- N-(2-((4-Phenethylpiperazin-1-yl)sulfonyl)ethyl)-2-(thiophen-2-yl)acetamide hydrochloride (CAS 1329632-36-1)
- 17B(H),21B(H)-30-Norhopane (CAS 36728-72-0)
- (2S)-1-BOC-4,4-DIFLUORO-2-METHYLPYRROLIDINE-2-CARBOXYLIC ACID 1194032-23-9 PB32032 (CAS 1194032-23-9)
- 2-Bromo-1-(piperidin-1-yl)propan-1-one (CAS 2620-14-6)
- (2s)-1-(2-Methoxyphenyl)propan-2-ol (CAS 131864-73-8)
- (S)-3-(Boc-amino)-5-(methylthio)pentanoic Acid (CAS 1217811-51-2)
- methyl 2-[(phenoxycarbonyl)amino]benzoate (CAS 259537-23-0)
- Ethyl (2E)-3-(5-methylthiophen-2-yl)prop-2-enoate (CAS 14779-23-8)
- 3-Benzyloxy-2,2-dimethylpropionaldehyde (CAS 38216-93-2)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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