3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid 1,1-dioxide CAS 656819-53-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 656819-53-3 |
| Molecular Formula | C9H7NO5S |
| Molecular Weight | 241.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid 1,1-dioxide (CAS 656819-53-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H7NO5S. Molecular weight: 241.22 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H7NO5S |
| Molecular Weight | 241.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Oxo Standards
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- 4-Oxo-3,4-dihydro-2H-benzo[e][1,2]thiazine-3-carboxylic acid 1,1-dioxide (CAS 76508-38-8)
- 5-(2,3-dihydro-1-benzofuran-5-yl)pyridine-3-carboxylic acid (CAS 1272838-47-7)
- 1-(5,7-Dihydro-6H-pyrrolo[3,4-d]pyrimidin-6-yl)-3-(furan-2-yl)prop-2-en-1-one (CAS 1448140-97-3)
- 3-Benzyl-1,7-dihydro-2H-pyrrolo[2,3-d]pyrimidine-2,4(3H)-dione (CAS 61078-81-7)
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Recommended Standards
- 3-Fluoro-4-(4-formylphenoxy)benzonitrile (CAS 676494-55-6)
- 4-(2-Oxo-1,3,4-oxadiazol-3(2H)-yl)benzenesulfonamide (CAS 64890-57-9)
- 3-(4-Fluorophenyl)-2,1-benzoxazole-5-carbaldehyde (CAS 439095-19-9)
- 2-Thiaspiro[3.3]heptane-6-carboxylic acid (CAS 1520648-96-7)
- 1-{[2-(2H-1,3-Benzodioxol-5-yl)imidazo[1,2-a]pyrimidin-3-yl]methyl}piperidine-3-carboxylic acid (CAS 904816-50-8)
- 3-Amino-3-methylpiperidine-2,6-dione (CAS 202271-85-0)
- Ethyl 2-(4-oxo-3,4-dihydro-2H-1,3-benzothiazin-2-ylidene)acetate (CAS 67431-59-8)
- 2-(4-(tert-Butoxycarbonyl)-3-phenylpiperazin-1-yl)acetic acid (CAS 1060813-70-8)
- 2-Chloro-5-(chloromethyl)-4-methyloxazole (CAS 1260666-99-6)
- Influenza PR8 Hemagglutinin Peptide (110-119) (H-6312.0005) (CAS 132031-50-6)
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