3-Ethyl-4-hydroxybenzoic acid CAS 105211-75-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 105211-75-4 |
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl-4-hydroxybenzoic acid (CAS 105211-75-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H10O3. Molecular weight: 166.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Ethyl Standards
- 4-ethyl-3-hydroxybenzoic acid (CAS 100523-85-1)
- 2-Ethyl-3-hydroxybenzoic acid (CAS 168899-32-9)
- 2-Ethyl-5-hydroxybenzoic acid (CAS 52008-91-0)
- 2-Ethyl-6-hydroxybenzoic acid (CAS 59681-42-4)
- 4-ethyl-2-hydroxybenzoic acid (CAS 22890-53-5)
- 5-Ethyl-2-hydroxybenzoic Acid (CAS 51-27-4)
- 3-Hydroxybenzoic acid (sodium) (CAS 7720-19-6)
- 4-Acetyl-3-hydroxybenzoic acid (CAS 102297-62-1)
Recommended Standards
- 5,6,7,8-Tetrahydro-1H-cyclohepta[c]furan-1,3(4H)-dione (CAS 10412-04-1)
- 5-(2-methylcyclopropyl)furan-2-carboxylic acid (CAS 1094263-50-9)
- 2-(3-Hydroxy-4-methylphenyl)acetic acid (CAS 103262-83-5)
- {1-[(2-fluorophenyl)methyl]-1H-1,2,3-triazol-4-yl}methanol (CAS 1248399-78-1)
- 17-Bromo-3',4'-didehydro-4'-deoxy-C'-norvincaleukoblastineDISCONTINUED (CAS 89384-09-8)
- 3-(Allyloxy)-1-benzyl-1H-indazole (CAS 25854-83-5)
- Q99HT08S5N 91-04-3 2,6-Dimethylol-p-cresol 1,3-Benzenedimethanol, 2-hydroxy-5-methyl- 3,5-Bis(hydroxymethyl)-p-cresol alpha1,alpha3-Mesitylenediol, 2-hydroxy- (8CI) alpha(sup 1),alpha(sup 3)-Mesitylenediol, 2-hydroxy- (7CI,8CI) 4-06-00-07411 (Beilstein Handbook Reference) 2,6-Bis(hydroxymethyl)-p-cresol 2,6-Bis(hydroxymethyl)-4-methylphenol BRN 1240237 2,6-Di(hydroxymethyl)-p-cresol 2,6-Dimethylol-4-methylphenol EINECS 202-036-4 2-Hydroxy-5-methyl-1,3-benzenedimethanol NSC 15838 alpha(sup 1),alpha(sup 3),2-Trihydroxymesitylene alpha1,alpha,2-Trihydroxymesitylene UNII-Q99HT08S5N (CAS 91-04-3)
- 3-Hydroxy-2-methylpyridin-4(1H)-one hydrochloride (CAS 17184-18-8)
- 8-Nitro-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 148890-66-8)
- Des-Ala21-Tirzepatide (CAS CATO-CPTD788952)
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