3-Aminonaphthalene-2,7-disulfonic acid CAS 92-28-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 92-28-4 |
| Molecular Formula | C10H9NO6S2 |
| Molecular Weight | 303.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Aminonaphthalene-2,7-disulfonic acid (CAS 92-28-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H9NO6S2. Molecular weight: 303.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H9NO6S2 |
| Molecular Weight | 303.31 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 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Aminonaphthalene Standards
- 6-Aminonaphthalene-1,3-disulfonic acid (CAS 118-33-2)
- 5-Aminonaphthalene-1,3-disulfonic acid (CAS 13306-42-8)
- 1-Aminonaphthalene-2,6-disulfonic acid (CAS 16144-92-6)
- 4-Aminonaphthalene-2,7-disulfonic acid (CAS 6251-07-6)
- 5-Aminonaphthalene-1-sulfonyl chloride (CAS 145061-31-0)
- 4-Aminonaphthalene-2,6-dicarboxylic acid (CAS 1638156-88-3)
- 4-aminonaphthalene-1,8-dicarboxylic anhydride;6-Aminobenz[de]isochromene-1,3-dione 6-Amino-benzo[de]isoquinoline-1,3-dione 6492-86-0 A8840 (CAS 6492-86-0)
- 8-Aminonaphthalene-1,3,6-trisulfonic acid (CAS 117-42-0)
Recommended Standards
- 3-[Phenyl[(2-tetrahydropyranyl)oxy]methyl]isoxazole-4-carboxylic Acid (CAS 2006278-04-0)
- 3-morpholino-1-(3-nitrophenyl)-5,6-dihydropyridin-2(1H)-one (CAS 2443747-50-8)
- 3-(Furan-2-ylmethyl)-2-(pyridin-3-yl)quinazolin-4(3H)-one (CAS 675200-78-9)
- 1-Tosylpropan-2-one (CAS 5366-49-4)
- ethyl 4-fluoro-5-methylfuran-2-carboxylate (CAS 2112992-17-1)
- (S)-N2-Boc-1-phenylethylenediamine (CAS 943322-87-0)
- 2-Keto molinate (CAS 24928-89-0)
- (2-Fluoropyridin-3-yl)(pyridin-3-yl)methanol (CAS 944686-78-6)
- (2S,4S)-4-(3-bromophenoxy)-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylic acid (CAS 1354485-22-5)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com