1-Aminonaphthalene-2,6-disulfonic acid CAS 16144-92-6
| CAS No. | 16144-92-6 |
| Molecular Formula | C10H9NO6S2 |
| Molecular Weight | 303.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-Aminonaphthalene-2,6-disulfonic acid (C10H9NO6S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 303.31 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-Aminonaphthalene-2,6-disulfonic acid (CAS 16144-92-6), molecular formula C10H9NO6S2 and molecular weight 303.31 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-Aminonaphthalene-2,6-disulfonic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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.) | 1961 |
| 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)
- 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)
- 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)
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- 1-(2-tert-butylphenyl)ethan-1-one (CAS 22583-61-5)
- 1-Methyl-2-Phenyl-5-Propan-2-Yl-Pyrazol-3-One (CAS 83957-87-3)
- Ritter Iminopyridine Ferrous Chloride Polymerization Catalyst (CAS 1392476-70-8)
- 7-(Benzyloxy)-4-(trifluoromethyl)-2H-chromen-2-one (CAS 220001-53-6)
- 3-(Ethylamino)-4-nitrophenol (CAS 25186-40-7)
- n,n-Dimethyl-3-(piperidin-4-yloxy)propan-1-amine (CAS 883532-64-7)
- 3-(4-(tert-Butoxycarbonyl)-3-phenylpiperazin-1-yl)propanoic acid (CAS 1060814-09-6)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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