2-Diazo-1-naphthol-5-sulfonic Acid Sodium Salt CAS 2657-00-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2657-00-3 |
| Molecular Formula | - |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Diazo-1-naphthol-5-sulfonic Acid Sodium Salt (CAS 2657-00-3) is a pharmaceutical standards certified reference material from CATO. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1957 |
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Recommended Standards
- 2,3,4,9-Tetrahydro-1H-fluorene (CAS 17057-95-3)
- (R)-6,6'-Dibromo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 1286189-15-8)
- ({3-[1-(ethylsulfanyl)ethyl]-1,2,4-oxadiazol-5-yl}methyl)(methyl)amine (CAS 1394682-47-3)
- Methyl 2-amino-5-(3,4-dichlorophenyl)thiazole-4-carboxylate (CAS 860784-58-3)
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- 5-amino-N,N-dimethyl-1H-pyrazole-4-carboxamide (CAS 741209-40-5)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com