7-Amino-naphthalene-1,3,6-trisulfonic acid, 97% CAS 118-03-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 118-03-6 |
| Molecular Formula | C10H9NO9S3 |
| Molecular Weight | 383.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Amino-naphthalene-1,3,6-trisulfonic acid, 97% (CAS 118-03-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9NO9S3. Molecular weight: 383.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9NO9S3 |
| Molecular Weight | 383.37 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 | 3 |
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Recommended Standards
- 8-Aminonaphthalene-1,3,6-trisulfonic acid (CAS 117-42-0)
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- Fluazifop-P-Butyl (CAS 79241-46-6)
- Aurantiamide benzoate (CAS 150881-02-0)
- Dihydrotetramethylrosamine (CAS 105284-17-1)
- 4-(((Benzyloxy)carbonyl)amino)cyclohexane-1-carboxylic acid (CAS 220851-34-3)
- Diaquabis(2-thiophenecarboxylato-O2,S1)-Copper (CAS 157385-08-5)
- 1,2,3,5-Tetramethyl-4-propylcyclopenta-1,3-diene (CAS 64417-12-5)
- Etrasimod Impurity 33 (CAS 131373-89-2)
- Semaglutide Impurity 125 xTFA Salt (CAS CATO-C4X-2226125)
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