6-Amino-5-hydroxynaphthalene-1-sulfonic acid CAS 573-07-9
| CAS No. | 573-07-9 |
| Molecular Formula | C6H10N4O6 |
| Molecular Weight | 234.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Amino-5-hydroxynaphthalene-1-sulfonic 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.
6-Amino-5-hydroxynaphthalene-1-sulfonic acid (CAS 573-07-9), molecular formula C6H10N4O6 and molecular weight 234.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H10N4O6, 6-Amino-5-hydroxynaphthalene-1-sulfonic acid contains a carbohydrate-derived structure, an amide group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 234.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C6H10N4O6 |
| Molecular Weight | 234.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- 5-(6-Nitrobenzo[d][1,3]dioxol-5-yl)oxazole (CAS 2206610-22-0)
- 6-Nitro-2-oxo-1,2-dihydroquinoline-4-carboxylic acid (CAS 55764-56-2)
- Ethyl 2-(1-carbamoylpiperidin-4-yl)acetate (CAS 279236-51-0)
- R 77975 (CAS 124436-59-5)
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- 4-(2-Fluoroethoxy)piperidine (CAS 1220179-26-9)
- (S)-[1,1'-Binaphthalene]-4,4'-diamine (CAS 18531-98-1)
- 2-Cyano-1-methyl-1H-Indole-3-acetic acid (CAS 287199-76-2)
- (3-Fluorophenyl)(3-methylpyridin-2-yl)methanone (CAS 1187171-05-6)
- Raloxifene Impurity 6 (CAS 2008-75-5)
- 4-Bromo-2-cyano-6-hydroxybenzene-1-sulfonyl chloride (CAS 1805524-67-7)
- Brain Injury Derived Neurotrophic Peptide (H-3914.0001) (CAS 148330-12-5)
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