3-Hydroxy-2-oxo-7-indolinesulfonic acid CAS 1353501-00-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1353501-00-4 |
| Molecular Formula | C8H7NO5S |
| Molecular Weight | 229.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-2-oxo-7-indolinesulfonic acid (CAS 1353501-00-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7NO5S. Molecular weight: 229.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7NO5S |
| Molecular Weight | 229.21 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(4-Fluorophenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1338692-17-3)
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- 2-(3-Fluorophenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1338651-03-8)
- 3-((2-Methoxyethyl)sulfonyl)propanoic acid (CAS 1016858-81-3)
- 4-Bromo-2-fluoroanisole (CAS 2357-52-0)
- MCOPPB trihydrochloride hydrate (CAS 1028969-49-4)
- Methyl 4-(4-bromo-1h-pyrazol-1-yl)-2-methyl-2-(methylamino)butanoate (CAS 1248923-50-3)
- 76780-98-8 2-Chloro-N-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-amine DTXSID90504067 (CAS 76780-98-8)
- (3-Nitrophenyl)(quinolin-3-yl)methanone (CAS 1187167-64-1)
- a-Bag Cell Peptide (1-8) (CAS 87549-53-9)
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