4-Hydroxy-2-thioxo-1,2-dihydroquinoline-3-carboxylic acid CAS 31507-72-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31507-72-9 |
| Molecular Formula | C10H7NO3S |
| Molecular Weight | 221.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-2-thioxo-1,2-dihydroquinoline-3-carboxylic acid (CAS 31507-72-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H7NO3S. Molecular weight: 221.23 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H7NO3S |
| Molecular Weight | 221.23 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
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Recommended Standards
- 4-(5-Fluoro-1H-indol-3-yl)butanoic acid (CAS 319-72-2)
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- 3,4-Dimethyldiphenylamine (CAS 17802-36-7)
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- 1-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperazine hydrochloride (CAS 2222758-60-1)
- (S)-5-Bromo-4-methyl-2,3-dihydro-1H-inden-1-amine (CAS 903630-39-7)
- 8-Fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 943994-40-9)
- 1-[4-Chloro-2-(1-piperidyl)phenyl]ethanol (CAS 2097800-65-0)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
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