methyl 2-(chlorosulfonyl)propanoate CAS 20449-10-9
| CAS No. | 20449-10-9 |
| Molecular Formula | C4H7ClO4S |
| Molecular Weight | 186.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), methyl 2-(chlorosulfonyl)propanoate 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.
methyl 2-(chlorosulfonyl)propanoate (CAS 20449-10-9) is a high-purity analytical reference standard with the molecular formula C4H7ClO4S and a molecular weight of 186.61 g/mol.
Structurally, methyl 2-(chlorosulfonyl)propanoate (C4H7ClO4S) contains a carbohydrate-derived structure, a sulfone group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 186.61 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C4H7ClO4S |
| Molecular Weight | 186.61 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related methyl Standards
- 2-(Chlorosulfonyl)butanoic acid (CAS 1314977-78-0)
- Methyl 3-(Chlorosulfonyl)propanoate (CAS 15441-07-3)
- 2-(Chlorosulfonyl)ethyl acetate (CAS 78303-71-6)
- 3-[(chlorosulfonyl)(methyl)amino]propanenitrile (CAS 209971-18-6)
- 3-(Chlorosulfonyl)propanoyl chloride (CAS 3944-67-0)
- 3-[(chlorosulfonyl)(ethyl)amino]propanenitrile (CAS 1064037-92-8)
- 3-[(chlorosulfonyl)(methyl)amino]-2-methylpropanenitrile (CAS 1250149-70-2)
- 3-[(chlorosulfonyl)(methyl)amino]butanenitrile (CAS 1343825-88-6)
Recommended Standards
- 4-Fluoro-3,5-dimethylbenzoyl chloride (CAS 886501-66-2)
- 896120-69-7 2,6-Dimethyl-4-fluorobenzoyl chloride MFCD04972840 (CAS 896120-69-7)
- 3-Chloro-4`-fluoropropiophenone (CAS 347-93-3)
- 5-Chlorothiazolo[5,4-d]pyrimidin-2-amine (CAS 1006879-06-6)
- (S)-3-(4-(difluoromethoxy)phenyl)morpholine (CAS 1213398-45-8)
- 21037-81-0 4-Propyl-1H-pyrazole MFCD19982745 (CAS 21037-81-0)
- 5-Piperidin-4-yl-7-trifluoromethyl-imidazo[1,2-a]-pyrimidine dihydrochloride (CAS 1185304-04-4)
- 3-Chloro-4-[(2-phenylphenyl)methoxy]benzoic acid (CAS 833484-99-4)
- Samidorphan Impurity 10 (CAS 886588-56-3)
- 3-(2,6-Diazaspiro[3.3]Heptan-2-yl)benzo[d]isothiazole (CAS 2306263-33-0)
- 4-[(2,4-difluorophenyl)methyl]oxan-4-amine (CAS 1342026-77-0)
- 4-((((1-(Difluoromethyl)-1H-pyrazol-3-yl)methyl)amino)methyl)benzene-1,3-diol hydrochloride (CAS 1856053-44-5)
- 4-[2-(2-Ethoxyethoxy)ethyl]piperidinehydrochloride (CAS 1219949-03-7)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
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