5-Acetamido-4-hydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid CAS 25317-20-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25317-20-8 |
| Molecular Formula | C18H15N3O8S2 |
| Molecular Weight | 465.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Acetamido-4-hydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid (CAS 25317-20-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H15N3O8S2. Molecular weight: 465.46 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H15N3O8S2 |
| Molecular Weight | 465.46 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Acetamido Standards
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Recommended Standards
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- Acetic acid 4,5-diacetoxy-6-acetoxymethyl-3-[(4-methoxy-benzylidene)-amino]-tetrahydro-pyran-2-yl ester (CAS 7597-81-1)
- N,N,N-Trimethyl-1-(oxiran-2-yl)methanaminium acetate (CAS 34890-37-4)
- 4-((3-Allyl-2-hydroxybenzylidene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-30-7)
- 3-Amino-4-hydroxyquinoline-2-carboxylic acid (CAS 58401-44-8)
- tert-Butyl 2-(4-((2-chloro-4-fluorobenzyl)-oxy)phenylsulfonamido)acetate (CAS 1206677-71-5)
- 1-(oxan-2-yl)cyclobutane-1-carboxylic acid (CAS 2060063-21-8)
- 3-[(4-Methoxyphenyl)methyl]-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 338777-25-6)
- Peptide T (CAS 106362-32-7)
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