7-Chloro-3-oxo-3,4-dihydro-2H-pyrido-[3,2-b][1,4]thiazine-6-carboxylic acid CAS 577691-70-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 577691-70-4 |
| Molecular Formula | C8H5ClN2O3S |
| Molecular Weight | 244.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-3-oxo-3,4-dihydro-2H-pyrido-[3,2-b][1,4]thiazine-6-carboxylic acid (CAS 577691-70-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5ClN2O3S. Molecular weight: 244.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5ClN2O3S |
| Molecular Weight | 244.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-(4-Chloro-3-fluorophenyl)-5-oxovaleric acid (CAS 845790-44-5)
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- 3-Ethoxy-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 400878-02-6)
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- 4-Chloro-5-methyl-2-(methylsulfonyl)pyrimidine (CAS 325780-94-7)
- 3-Phenyl-2-thioxo-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one (CAS 269736-23-4)
- Osimertinib-4 (CAS 1805787-93-2)
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