4U1WVN6KUX 5423-07-4 Phenaphthazine Disodium 2-(2,4-dinitrophenylazo)-1-hydroxynaphthalene-3,6-disulphonate 2,7-Naphthalenedisulfonic acid, 3-(2-(2,4-dinitrophenyl)diazenyl)-4-hydroxy-, sodium salt (1:2) 2,7-Naphthalenedisulfonic acid, 3-((2,4-dinitrophenyl)azo)-4-hydroxy-, disodium salt C.I. 14890 delta Paper, indicator EINECS 226-549-8 Nitrazine paper Nitrazine Yellow Nitrazol Yellow NSC 9360 UNII-4U1WVN6KUX CAS 5423-07-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5423-07-4 |
| Molecular Formula | C16H24N4O11S2 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4U1WVN6KUX 5423-07-4 Phenaphthazine Disodium 2-(2,4-dinitrophenylazo)-1-hydroxynaphthalene-3,6-disulphonate 2,7-Naphthalenedisulfonic acid, 3-(2-(2,4-dinitrophenyl)diazenyl)-4-hydroxy-, sodium salt (1:2) 2,7-Naphthalenedisulfonic acid, 3-((2,4-dinitrophenyl)azo)-4-hydroxy-, disodium salt C.I. 14890 delta Paper, indicator EINECS 226-549-8 Nitrazine paper Nitrazine Yellow Nitrazol Yellow NSC 9360 UNII-4U1WVN6KUX (CAS 5423-07-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H24N4O11S2 2*Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H24N4O11S2 2*Na |
| Molecular Weight | 535.50 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Recommended Standards
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- Methyl (S,10E,12Z)-9-hydroxyoctadeca-10,12-dienoate (CAS 10075-07-7)
- 8006-28-8 4RG4VJM6VG Soda lime Soda lime [NF] Sodium hydroxide (Na(OH)), mixt. with lime Sodasorb UNII-4RG4VJM6VG Soda lime with >4% sodium hydroxide [UN1907] [Corrosive] UN1907 Soda lime with >4% sodium hydroxide (CAS 8006-28-8)
- 2-[(Octahydro-2H-quinolizin-1-ylmethyl)amino]ethanol (CAS 1704050-90-7)
- 4-(Butylthio)benzoic acid (CAS 22683-49-4)
- Peptide 437 (CAS CATO-CPTD788437)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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