4-Hydroxy-6-((3-sulfophenyl)amino)naphthalene-2-sulfonic acid CAS 25251-42-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25251-42-7 |
| Molecular Formula | C16H13NO7S2 |
| Molecular Weight | 395.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Hydroxy-6-((3-sulfophenyl)amino)naphthalene-2-sulfonic acid (CAS 25251-42-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H13NO7S2. Molecular weight: 395.41 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H13NO7S2 |
| Molecular Weight | 395.41 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.) | 1964 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4-[16,18-Dioxo-17-azapentacyclo[6.6.5.0~2,7~.0~9,14~.0~15,19~]nonadeca-2,4,6,9(14),10,12-hexaen-17-yl]benzenecarboxylic acid (CAS 313653-92-8)
- 5-(Benzyloxy)-4-hydroxy-3-phenyl-2H-pyrano[2,3-b]quinolin-2-one (CAS 62668-81-9)
- 4,4'-(4-Phenylpyridine-2,6-diyl)dibenzoic acid (CAS 42178-86-9)
- 6,7-Dimethoxy-3,4-dihydroquinoline (CAS 439095-32-6)
- 2-Bomo-3,4-dichloro-6-nitroaniline (CAS 172215-93-9)
- 2-(1,1-Difluoroethyl)-4H-pyran-4-one (CAS 1353572-37-8)
- Ethyl 2-(5-(trifluoromethyl)pyridin-2-yl)acetate (CAS 757971-25-8)
- 5-Ethynyl-2,3-dimethylthiophene (CAS 1057670-09-3)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com