5-Amino-4-hydroxynaphthalene-1,6-disulfonic acid CAS 6271-89-2
| CAS No. | 6271-89-2 |
| Molecular Formula | C16H21N3O8S |
| Molecular Weight | 415.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Amino-4-hydroxynaphthalene-1,6-disulfonic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
5-Amino-4-hydroxynaphthalene-1,6-disulfonic acid (CAS 6271-89-2) is a high-purity analytical reference standard with the molecular formula C16H21N3O8S and a molecular weight of 415.42 g/mol.
Based on its molecular formula C16H21N3O8S, 5-Amino-4-hydroxynaphthalene-1,6-disulfonic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 415.42 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 | C16H21N3O8S |
| Molecular Weight | 415.42 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 1-Amino-2,4-dibromo-7-chloroanthracene-9,10-dione (CAS 88605-95-2)
- 2-Amino-9-((2R,3R,4R,5R)-3-(((2S,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3,9-dihydro-6H-purin-6-one (CAS 148711-49-3)
- 4-Amino-2,5-dichlorobenzene-1-sulfonyl fluoride (CAS 5312-75-4)
- 3-Amino-N-(2,5-dichlorophenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 445267-30-1)
- 3-Amino-N-(2,6-dichlorophenyl)-6-(pyridin-3-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 625370-72-1)
- 3-Amino-N-(3,5-dichlorophenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 445267-47-0)
- (3-Amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridin-2-yl)(4-bromophenyl)methanone (CAS 299198-16-6)
- 3-Amino-2-(1-hydroxyheptadecyl)quinazolin-4(3H)-one (CAS 917764-64-8)
Recommended Standards
- 2,2-dimethyl-N-[4-(2-phenylethynyl)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]propanamide (CAS 2390149-56-9)
- Diphenyl (phenyl(phenylamino)methyl)phosphonate (CAS 3360-68-7)
- 1-Cyclohexylidene-2-((diphenoxyphosphoryl)amino)ethyl acetate (CAS 61416-74-8)
- Idelalisib (CAS 870281-82-6)
- Methyl piperidine-1-carbodithioate (CAS 698-17-9)
- 1-Ethylphenanthrene (CAS 30997-38-7)
- 5''-Chloro-N-((5,6-dimethoxypyridin-2-yl)methyl)-[2,2':5',3''-terpyridine]-3'-carboxamide (CAS 1207253-08-4)
- 13C Labeled acetone 7217-25-6 Acetone-1,3-13C2 Dimethyl-13C2 ketone Propanone-1,3-13C2 (CAS 7217-25-6)
- 1-(5-Chlorobenzo[d]thiazol-2-yl)piperidine-4-carboxylic acid (CAS 702669-57-6)
- 6-Amino-3-ethylbenzo[d]thiazol-2(3H)-one (CAS 60471-30-9)
- N,N-Diethylmaleamic acid (CAS 765230-15-7)
- 2-(1-((3,4-Dimethoxyphenethyl)amino)ethylidene)-1H-indene-1,3(2H)-dione (CAS 355430-61-4)
- (2E,4E)-5-(4-(Dimethylamino)phenyl)penta-2,4-dienoic acid (CAS 15542-38-8)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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 18665070610 / Nicole.chen@cato-chem.com