4-(4-Hydroxyphenoxy)benzoic acid CAS 500-76-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 500-76-5 |
| Molecular Formula | C13H10O4 |
| Molecular Weight | 230.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-Hydroxyphenoxy)benzoic acid (CAS 500-76-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H10O4. Molecular weight: 230.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H10O4 |
| Molecular Weight | 230.22 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.) | 1957 |
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Recommended Standards
- 4-(4-Nitrophenoxy)aniline (CAS 6149-33-3)
- 4-(5-Cyclopropyl-1,2,4-oxadiazol-3-yl)benzoic Acid (CAS 915920-27-3)
- 4-(2-Nitrophenoxy)aniline (CAS 26196-58-7)
- 5-(Benzyloxy)-2,3-dihydro-1H-inden-1-one (CAS 78326-88-2)
- (3R)-3-amino-3-(4-ethylphenyl)propan-1-ol (CAS 1213473-76-7)
- 3-Methyl-1-[2-(3-piperidinyl)ethyl]piperidinedihydrochloride (CAS 1220030-48-7)
- (E)-({6-[(2-chlorophenyl)sulfanyl]pyridin-3-yl}methylidene)(methoxy)amine (CAS 339014-87-8)
- (5s)-1-Azabicyclo[3.3.1]nonan-3-amine (CAS 1423043-75-7)
- (4S,4'S)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[4,5-dihydro-4-phenyloxazole] (CAS 188780-32-7)
- Tirzepatide Impurity 12 (CAS CATO-C4X-324012)
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