4-(4-Hydroxy-phenylazo)benzoic acid ethyl ester CAS 4418-89-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4418-89-7 |
| Molecular Formula | C15H14N2O3 |
| Molecular Weight | 270.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-Hydroxy-phenylazo)benzoic acid ethyl ester (CAS 4418-89-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H14N2O3. Molecular weight: 270.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H14N2O3 |
| Molecular Weight | 270.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 4-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)benzoic acid (CAS 952183-13-0)
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- 5-Amino-3,3-dimethyl-3,4-dihydroquinolin-2(1h)-one (CAS 2091182-71-5)
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- 5-(2-Fluorophenyl)-3-(trifluoromethyl)picolinic acid (CAS 1214369-02-4)
- Pretomanid Impurity 10 (CAS CATO-C4X-260610)
- (Glu1)-Fibrinopeptide B (human) (CAS 103213-49-6)
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