Naphthol AS-Br CAS 91-92-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91-92-9 |
| Molecular Formula | C36H28N2O6 |
| Molecular Weight | 584.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Naphthol AS-Br (CAS 91-92-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C36H28N2O6. Molecular weight: 584.62 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C36H28N2O6 |
| Molecular Weight | 584.62 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Naphthol Standards
- Naphthol AS-BI N-acetyl-b-D-galactosaminide (CAS 59985-23-8)
- 1,1′-Di-2-naphthol bis(trifluoromethanesulfonate) (CAS 128575-34-8)
- Naphthol AS-BI β-D-galactopyranoside (CAS 51349-63-4)
- Naphthol AS-BI Phosphate (CAS 1919-91-1)
- 1-Naphthol 2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester (CAS 18404-55-2)
- Naphthol AS Nonanoate (CAS 10523-82-7)
- Naphthol AS-TR phosphate (CAS 2616-72-0)
- Naphthol AS-MX Phosphate (CAS 1596-56-1)
Recommended Standards
- Fmoc-Lys(Mca)-OH, 97% (CAS 386213-32-7)
- O-2093 (CAS 439080-01-0)
- 1-(4-(2-(2,4-Dichlorophenyl)-2-(naphthalen-2-ylmethoxy)ethyl)piperazin-1-yl)-2-(diisobutylamino)ethanone (CAS 2088939-99-3)
- Ethyl 2,4-dichloro-6-(pyridin-2-ylthio)pyrimidine-5-carboxylate (CAS 87847-37-8)
- 2-(2-Bromophenyl)butan-1-ol (CAS 85029-25-0)
- 3-Amino-2,3-dideoxyadenosine (CAS 7403-25-0)
- Potassium (1-(tert-butoxycarbonyl)piperidin-2-yl)trifluoroborate (CAS 1684443-04-6)
- 4'-[({[(2Z)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylidene]amino}oxy)methyl]-[1,1'-biphenyl]-2-carbonitrile (CAS 946386-30-7)
- Mirogabalin Impurity 161 (CAS CATO-C4X-2924161)
- D-Phe6-Tirzepatide (CAS CATO-CPTD788925)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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