3-methanesulfonylpropanoic acid CAS 645-83-0
| CAS No. | 645-83-0 |
| Molecular Formula | C4H8O4S |
| Molecular Weight | 152.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-methanesulfonylpropanoic acid (CAS 645-83-0), molecular formula C4H8O4S and molecular weight 152.17 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, a sulfone group, 3-methanesulfonylpropanoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 152.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
CATO manufactures 3-methanesulfonylpropanoic acid 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 | C4H8O4S |
| Molecular Weight | 152.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Recommended Standards
- 3-Fluoro-4-methylbenzimidamide (CAS 785754-37-2)
- 3-Methoxy-3-oxopropane-1-sulfinic acid (CAS 71561-98-3)
- 3-Fluoro-1-phenylpropan-1-one (CAS 30390-95-5)
- 3-Oxo-3-(2-thiazolyl)propanenitrile (CAS 314268-27-4)
- 1-[5-(2-chlorophenyl)thiophen-2-yl]ethan-1-one (CAS 893735-05-2)
- 3-oxotetrahydropyran-4-carbonitrile (CAS 1368128-94-2)
- (1R,2S)-2-(2-Tosyl-1,2-dihydroxyethyl)-6-fluorochromane (CAS 303176-40-1)
- 3-(3-Methyl-4-nitrophenoxy)pyrrolidine 4134AF 946760-47-0 C11H14N2O3 (CAS 946760-47-0)
- Tinidazole Impurity 7 (CAS 140165-54-4)
- (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(6-methoxypyridin-3-yl)propanoic acid (CAS 1217771-73-7)
- Bimatoprost Acid (CAS 38344-08-0)
- 2-Ethyl-5-propyl-1,3,4-thiadiazole (CAS 41398-05-4)
- 5-(hydroxymethyl)pyridine-3-carbonitrile (CAS 135124-71-9)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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