2-Nitro-4-sulfobenzoic acid CAS 552-23-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 552-23-8 |
| Molecular Formula | C7H5NO7S |
| Molecular Weight | 247.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Nitro-4-sulfobenzoic acid (CAS 552-23-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5NO7S. Molecular weight: 247.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H5NO7S |
| Molecular Weight | 247.18 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-((3-(Trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)amino)ethan-1-ol (CAS 309741-26-2)
- 2-((2R,3S,4R,5R)-3-Fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,2,4-triazine-3,5(2H,4H)-dione (CAS 908129-24-8)
- 6-bromo-3-methyl-quinolin-2-amine (CAS 203506-01-8)
- 1-Acetyl-5-(heptafluoropropyl)-3-methyl-1H-pyrazole (CAS 1017793-57-5)
- N-(1-benzylpiperidin-4-yl)-4-(tert-butyl)benzamide (CAS 334974-41-3)
- 4-(4-Methyl-1h-pyrazol-1-yl)-2-(methylamino)butanamide (CAS 1341446-12-5)
- Bis(3-(trifluoromethyl)phenyl)phosphine oxide (CAS 15929-44-9)
- tert-Butyl 3-(3-bromopropyl)piperidine-1-carboxylate (CAS 193629-30-0)
- 2-((4-Chlorophenyl)sulfonyl)-2-(pyridin-3-yl)ethan-1-amine dihydrochloride (CAS 1094395-61-5)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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