4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid CAS 119-40-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 119-40-4 |
| Molecular Formula | C16H13NO4S |
| Molecular Weight | 315.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid (CAS 119-40-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H13NO4S. Molecular weight: 315.34 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C16H13NO4S |
| Molecular Weight | 315.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid (CAS 119-19-7)
- 4-Hydroxy-6-(phenylamino)naphthalene-1-sulfonic acid (CAS 5345-77-7)
- 1-Ethyl-4-hydroxy-2-oxo-N-(thiazol-2-yl)-1,2-dihydroquinoline-3-carboxamide (CAS 167565-15-3)
- 4-Hydroxy-2-(1-hydroxyethyl)-N-(thiazol-2-yl)quinoline-3-carboxamide (CAS 89441-35-0)
- Methyl 4-((2-hydroxy-4-methoxybenzylidene)amino)-2-methoxybenzoate (CAS 477858-55-2)
- N-(3-Hydroxy-4-(hydroxymethyl)cyclopentyl)-2-(naphthalen-2-yloxy)acetamide (CAS 1421453-08-8)
- (9α,13α,14α)-4-Hydroxy-3,7-dimethoxy-7,8-didehydromorphinan-6-one (CAS 240131-71-9)
- 4-Hydroxy Trimethoprim-d9 (CAS 1794752-40-1)
Recommended Standards
- 3-[[(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]methyl]-2,5-dihydro-2,2,5,5-tetramethyl-1H-pyrrol-1-yloxy (CAS 1214132-79-2)
- Methyl 1-(benzenesulfonyl)-1H-indole-3-carboxylate (CAS 116325-17-8)
- 4-(4-Fluorophenyl)-4-oxo-2-[(1-phenylethyl)amino]butanoic acid (CAS 1214217-33-0)
- 1-(4-Hydroxypiperidin-1-yl)propan-1-one (CAS 202647-17-4)
- 2-((3-Cyano-6-phenyl-4-(p-tolyl)pyridin-2-yl)thio)-N-(4-nitrophenyl)acetamide (CAS 332127-79-4)
- 2-(3-Bromophenyl)propan-1-ol (CAS 81310-68-1)
- 2-Amino-3-(4-chloro-2-nitrophenyl)propanoic acid (CAS 56433-05-7)
- Abemaciclib Impurity 182 (CAS CATO-C4X-2937182)
- 2-(4-Amino-2-methylphenyl)-1,1,1,3,3,3-hexafluoropropan-2-ol (CAS 2017-31-4)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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