5-Amino-4-hydroxy-3-[(1-sulfo-2-naphthalenyl)azo]naphthalene-2,7-disulfonic Acid CAS 65237-05-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 65237-05-0 |
| Molecular Formula | C20H15N3O10S3 |
| Molecular Weight | 553.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Amino-4-hydroxy-3-[(1-sulfo-2-naphthalenyl)azo]naphthalene-2,7-disulfonic Acid (CAS 65237-05-0) pharmaceutical standards reference standard. Molecular formula: C20H15N3O10S3. Molecular weight: 553.54 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H15N3O10S3 |
| Molecular Weight | 553.54 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 3 |
Related Amino Standards
- Ethyl 6-amino-5-cyano-2-[({3-cyano-5H,6H,7H,8H,9H-cyclohepta[b]pyridin-2-yl}sulfanyl)methyl]-4-(3,4-dichlorophenyl)-4H-pyran-3-carboxylate (CAS 445384-07-6)
- N-(2'-Amino[1,1'-binaphthalen]-2-yl)-N'-[3,5-bis(trifluoromethyl)phenyl]thiourea (CAS 1613483-18-3)
- Ethyl 6-amino-5-cyano-2-{[(3-cyano-6-methyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl)sulfanyl]methyl}-4-[2-(trifluoromethyl)phenyl]-4H-pyran-3-carboxylate (CAS 340817-61-0)
- Methyl 6-amino-4-(3-bromophenyl)-5-cyano-2-[({3-cyano-5H,6H,7H,8H,9H-cyclohepta[b]pyridin-2-yl}sulfanyl)methyl]-4H-pyran-3-carboxylate (CAS 354556-65-3)
- Amino-PEG8-hydrazide-Boc (CAS 1334169-96-8)
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Recommended Standards
- (4'S)-tert-Butyl 6-bromo-4'-(4-phenylpiperidine-1-carbonyl)-3,4-dihydro-2H-spiro[naphthalene-1,3'-pyrrolidine]-1'-carboxylate (CAS 1957130-64-1)
- Lamivudine Impurity 20 (CAS CATO-C4X-119420)
- 2-(3-(4-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-1-(1-(3-fluoro-2-(trifluoromethyl)isonicotinoyl)piperidin-4-yl)azetidin-3-yl)acetonitrile (CAS 1334298-90-6)
- 1-[3-(Trifluoromethyl)benzoyl]piperazine (CAS 179334-14-6)
- 2-[4-(pyridin-3-ylmethoxy)phenyl]acetonitrile (CAS 1016850-10-4)
- 2-(2-Nitrophenyl)quinazoline (CAS 92151-67-2)
- 1,4,5,8-Tetraamino-2,7-bis(2-methoxyethoxy)anthracene-9,10-dione (CAS 88601-71-2)
- N-(4-Chloro-5-(pyrrolidin-1-yl)thiazol-2-yl)isonicotinamide (CAS 828921-04-6)
- (S)-2-(3-Oxo-1-phenyl-3-(4-(trifluoromethyl)phenyl)propyl)malonic acid (CAS 1410101-91-5)
- Semaglutide impurity 235 (CAS CATO-C4X-2226235)
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