2-Oxothiolane-3-carboxylic acid CAS 222046-78-8
| CAS No. | 222046-78-8 |
| Molecular Formula | C5H6O3S |
| Molecular Weight | 146.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 146.16 g/mol gives 2-Oxothiolane-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Oxothiolane-3-carboxylic acid (CAS 222046-78-8) is a high-purity analytical reference standard with the molecular formula C5H6O3S and a molecular weight of 146.16 g/mol.
Structurally, 2-Oxothiolane-3-carboxylic acid (C5H6O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. 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 146.16 g/mol, it falls into the low-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).
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-Oxothiolane-3-carboxylic 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 | C5H6O3S |
| Molecular Weight | 146.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2020 |
| Sulfur Atoms | 1 |
Related Oxothiolane Standards
Recommended Standards
- 2-Fluoro-1-(piperazin-1-yl)ethanone (CAS 6442-83-7)
- 3,5-difluorobenzenethiol (CAS 99389-26-1)
- 2,5-Difluorobenzene-1-thiol (CAS 77380-28-0)
- 3-Ethyl-3-fluorocyclobutane-1-carboxylic acid (CAS 2090464-73-4)
- 1-ethyl-3-methylcyclobutane-1-carbaldehyde (CAS 1707359-82-7)
- (R)-Bicalutamide-d4 (CAS 1217826-87-3)
- 2-(4-(Furan-2-yl)phenyl)-5-phenylfuran (CAS 112230-46-3)
- 2-(2-(Tert-butyl)phenoxy)ethan-1-amine (CAS 120351-89-5)
- 3-Bromotetrahydro-2H-pyran (CAS 13047-01-3)
- (2-(2,2,2-Trifluoroethoxy)thiazol-5-yl)methanol (CAS 1462380-19-3)
- (2R)-2-Hydroxypentanoic acid (CAS 24809-83-4)
- Methyl 6-hydroxy-1-methyl-1H-indole-2-carboxylate (CAS 1150742-58-7)
- 4-(4-Methyl-5-(2-(trifluoromethyl)phenyl)-4H-1,2,4-triazol-3-yl)bicyclo[2.2.2]octane-1-carboxylic acid (CAS 935273-84-0)
- Fragment-[3-31]-Semaglutide (CAS CATO-C4X-2226113)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com