2-oxo-2,3-dihydro-1,3-thiazole-5-carboxylic acid CAS 857982-30-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 857982-30-0 |
| Molecular Formula | C4H3NO3S |
| Molecular Weight | 145.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-oxo-2,3-dihydro-1,3-thiazole-5-carboxylic acid (CAS 857982-30-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H3NO3S. Molecular weight: 145.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H3NO3S |
| Molecular Weight | 145.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related oxo Standards
- 2,3-Dihydro-3-oxo-5-isothiazolecarboxylic Acid (CAS 1257444-26-0)
- 4-Oxo-4,5-dihydro-1,2,5-thiadiazole-3-carboxamide (CAS 88947-67-5)
- 5-Oxo-4,5-dihydro-1,3,4-thiadiazole-2-carboxamide (CAS 85072-98-6)
- 2,3-Dihydro-1H-pyrrolo[3,2-b]pyridine-6-carbonitrile (CAS 1194683-74-3)
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- 2,3-Dihydro-1H-pyrrolo[3,4-c]pyridine-6-carbonitrile (CAS 2092731-71-8)
- 6,7-Dihydro-5H-pyrrolo[3,4-b]pyridine-2-carbonitrile (CAS 2091881-44-4)
Recommended Standards
- 4-Hydroxyisothiazole-3-carboxylic acid (CAS 178316-76-2)
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- 4-Nitroisothiazol-5-amine (CAS 153970-45-7)
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- 4-(1-Adamantyl)-3-thiosemicarbazide (CAS 52662-65-4)
- Prolactin-Releasing Peptide (12-31), rat (CAS 222988-10-5)
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