2-((4-Hydroxyphenyl)amino)benzoic acid CAS 98156-55-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 98156-55-9 |
| Molecular Formula | C13H11NO3 |
| Molecular Weight | 229.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((4-Hydroxyphenyl)amino)benzoic acid (CAS 98156-55-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H11NO3. Molecular weight: 229.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H11NO3 |
| Molecular Weight | 229.23 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Hydroxyphenyl Standards
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- 3-((4-Hydroxyphenyl)amino)benzoic acid (CAS 1368019-19-5)
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- Methyl 5-(3-hydroxyphenyl)pyridine-3-carboxylate (CAS 1820707-26-3)
- 2-({[(2-hydroxyphenyl)methyl]amino}methyl)phenol (CAS 4481-51-0)
- 1-(4-(4-Hydroxyphenyl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)ethan-1-one (CAS 1185055-85-9)
- 3-[1-(4-Hydroxyphenyl)-1-methylethyl]phenol (CAS 46765-25-7)
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Recommended Standards
- 2-((2-Methylnaphthalen-1-yl)amino)-2-oxoacetic Acid (CAS 2180146-10-3)
- 2-((Pyridin-4-ylmethyl)amino)nicotinic acid (CAS 854382-06-2)
- 2-((1-(Furan-2-yl)ethylidene)amino)benzoic acid (CAS 98311-76-3)
- Methyl (E)-2-cyano-3-(3,4,5-trimethoxyphenyl)acrylate (CAS 107115-22-0)
- [1-(4-chlorophenyl)-1H-pyrazol-4-yl]methanamine (CAS 400877-37-4)
- 2,5-Dimethyl-3-furoyl Chloride (CAS 50990-93-7)
- Upadacitinib Impurity 65 (CAS 2460133-49-5)
- 1-tert-Butyl 2-methyl 4-(2-aminoethyl)piperazine-1,2-dicarboxylate (CAS 1353944-45-2)
- Benzo[h]quinolin-10(1H)-one (CAS 142506-60-3)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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