8-Aminonaphthalene-1,3,5-trisulfonic acid CAS 17894-99-4
| CAS No. | 17894-99-4 |
| Molecular Formula | C10H9NO9S3 |
| Molecular Weight | 383.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
8-Aminonaphthalene-1,3,5-trisulfonic acid (CAS 17894-99-4), molecular formula C10H9NO9S3 and molecular weight 383.37 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-Aminonaphthalene-1,3,5-trisulfonic acid (C10H9NO9S3) contains a carbohydrate-derived structure, an amide group, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 383.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.) | 1962 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 3 |
Related Aminonaphthalene Standards
- 8-Aminonaphthalene-1,3,6-trisulfonic acid (CAS 117-42-0)
- 7-Aminonaphthalene-1,3,5-trisulfonic acid (CAS 27310-25-4)
- 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)
- 3-Aminonaphthalene-2,7-disulfonic acid (CAS 92-28-4)
- 4-Aminonaphthalene-2,7-disulfonic acid (CAS 6251-07-6)
- 5-Aminonaphthalene-1-sulfonyl chloride (CAS 145061-31-0)
Recommended Standards
- Methyl (2Z)-3-[(3,4-difluorophenyl)amino]-2-(4-methoxybenzenesulfonyl)prop-2-enoate (CAS 1564076-52-3)
- (7,8-Dimethyl-2-oxo-2H-chromen-4-yl)methyl (2-fluorobenzoyl)glycinate (CAS 868269-33-4)
- Ethyl 4-(2-((2,5-difluorophenyl)sulfonyl)acetamido)benzoate (CAS 1325303-74-9)
- 2-(P-tolyl)-1-((3-(trifluoromethyl)benzyl)oxy)-1H-imidazo[4,5-b]pyridine (CAS 339026-84-5)
- Methyl 2,5-diiodobenzoate (CAS 14192-13-3)
- 2,4-Dichloro-N-cyclopropylpyrimidine-5-carboxamide (CAS 1017464-37-7)
- 2,6-Dibromonicotinamide (CAS 1379303-54-4)
- Ethyl 6-hydroxy-3-methyl-1-(2,2,2-trifluoroethyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1160246-36-5)
- 4-Ethyl-7-((3-oxobutan-2-yl)oxy)-2H-chromen-2-one (CAS 314742-28-4)
- 2-{[5-(4-methylphenyl)-1H-imidazol-2-yl]sulfanyl}acetic acid (CAS 1105192-49-1)
- 2-Methyl-2H-1,2,3-triazole-4,5-dicarbonyl dichloride (CAS 52319-11-6)
- 4,4'-(3-(Pyridin-2-yl)-1,2,4-triazine-5,6-diyl)dibenzenesulfonic acid (CAS 32796-55-7)
- 1,2,4,5-Tetraiodobenzene (CAS 636-31-7)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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