7-Hydroxynaphthalene-2-sulfonic acid CAS 92-40-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 92-40-0 |
| Molecular Formula | C10H8O4S |
| Molecular Weight | 224.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 7-Hydroxynaphthalene-2-sulfonic acid (CAS 92-40-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C10H8O4S. Molecular weight: 224.23 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C10H8O4S |
| Molecular Weight | 224.23 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Hydroxynaphthalene Standards
- 8-Hydroxynaphthalene-1-sulfonic acid (CAS 117-22-6)
- 7-Hydroxynaphthalene-1-sulfonic acid (CAS 132-57-0)
- 2-Hydroxynaphthalene-1-sulfonic acid (CAS 567-47-5)
- 3-Hydroxynaphthalene-1-sulfonic acid (CAS 6357-85-3)
- 4-Hydroxynaphthalene-2-sulfonic acid (CAS 3771-14-0)
- 6-Hydroxynaphthalene-2-sulphonic acid (CAS 93-01-6)
- 5-Hydroxynaphthalene-1-Sulfonic Acid (CAS 117-59-9)
- 2-Benzyl-3-hydroxynaphthalene-1,4-dione (CAS 15451-41-9)
Recommended Standards
- 7-Methyloctyl dihydrogen phosphate (CAS 27253-57-2)
- 6-Fluoro-4-phenylcinnoline (CAS 90142-06-6)
- 8-Fluoro-3,4-dihydro-1H-spiro[naphthalene-2,2'-[1,3]dioxolan]-6-ol (CAS 2489407-88-5)
- 1,7-Dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione (CAS 303969-70-2)
- 7-Ethoxy-3,7-dimethyloct-1-yn-3-ol (CAS 2154-14-5)
- 2-((4,6-Dichloro-1,3,5-triazin-2-yl)amino)benzoic acid (CAS 55635-97-7)
- Zuclopenthixol (CAS 53772-83-1)
- 2-(3'-Fluoro-[1,1'-biphenyl]-4-yl)ethan-1-ol (CAS 840522-18-1)
- Tetracycline EP Impurity A (CAS 79-85-6)
- D-[γ-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226254)
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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