2-(5-Isoxazolyl)-4-methylphenol CAS 164171-56-6
| CAS No. | 164171-56-6 |
| Molecular Formula | C10H9NO2 |
| Molecular Weight | 175.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 175.18 g/mol gives 2-(5-Isoxazolyl)-4-methylphenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(5-Isoxazolyl)-4-methylphenol (CAS 164171-56-6) is a high-purity analytical reference standard with the molecular formula C10H9NO2 and a molecular weight of 175.18 g/mol.
Structurally, 2-(5-Isoxazolyl)-4-methylphenol (C10H9NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 175.18 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(5-Isoxazolyl)-4-methylphenol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H9NO2 |
| Molecular Weight | 175.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 1 |
Related Isoxazolyl Standards
- 2-(3-Methyl-5-isoxazolyl)piperidine (CAS 1211509-04-4)
- 2-(5-Isoxazolyl)phenol (CAS 61348-47-8)
- Methyl 2-(3-Isoxazolyl)acetate (CAS 146098-75-1)
- 3-(3-Methyl-5-isoxazolyl)-1-propanamine (CAS 1027518-85-9)
- (3-Ethyl-5-isoxazolyl)methanol (CAS 14716-90-6)
- 3-(3-Methyl-5-isoxazolyl)propyl methanesulfonate (CAS 1105193-27-8)
- 2-(3-Methyl-5-isoxazolyl)ethanamine (CAS 543713-55-9)
- 4-(3-Phenyl-5-isoxazolyl)piperidine (CAS 737766-69-7)
Recommended Standards
- (5-Phenyl-1,3-oxazol-2-yl)methanol (CAS 162542-01-0)
- (R)-Dimethyl 2-aminopentanedioate (CAS 16422-27-8)
- (5-Phenyl-1,2-oxazol-3-yl)methanol (CAS 1619-37-0)
- Methyl 4-methyl-4-nitropentanoate (CAS 16507-02-1)
- 1-(4-Bromophenyl)-2-(4-methoxyphenyl)-1H-pyrrole (CAS 161063-22-5)
- 3-(2-Fluoro-5-methylphenyl)phenol (CAS 1261959-16-3)
- (2,6-Dibromophenyl)methanamine (CAS 1214332-14-5)
- (S)-Dodecane-1,2-diol (CAS 85514-85-8)
- 2-amino-N-[(2-chlorophenyl)methyl]-6-methylbenzene-1-sulfonamide (CAS 1155119-72-4)
- N,N-dimethyl-1H-indole-3-carboxamide (CAS 27409-13-8)
- ethyl 2-amino-6-methylthieno[2,3-d][1,3]thiazole-5-carboxylate (CAS 41940-53-8)
- 2-(Difluoromethyl)-6-methoxypyridine (CAS 1805302-02-6)
- 4-[(E)-(4-Chlorophenyl)diazenyl]benzene-1,3-diamine (CAS 18371-09-0)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
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