4-(1H-imidazol-1-yl)-2-methylbenzoic acid CAS 1249328-87-7
| CAS No. | 1249328-87-7 |
| Molecular Formula | C11H10N2O2 |
| Molecular Weight | 202.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 202.21 g/mol gives 4-(1H-imidazol-1-yl)-2-methylbenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(1H-imidazol-1-yl)-2-methylbenzoic acid (CAS 1249328-87-7), molecular formula C11H10N2O2 and molecular weight 202.21 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 4-(1H-imidazol-1-yl)-2-methylbenzoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 202.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 4-(1H-imidazol-1-yl)-2-methylbenzoic acid 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 | C11H10N2O2 |
| Molecular Weight | 202.21 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related H Standards
- 2-(1h-Imidazol-1-yl)-5-methylbenzoic acid (CAS 1250836-32-8)
- 135611-31-3 3-Imidazol-1-ylmethyl-benzoic acid 3921AD C11H10N2O2 (CAS 135611-31-3)
- (1H-imidazol-2-yl)(4-methoxyphenyl)methanone (CAS 68090-12-0)
- (1H-imidazol-5-yl)(4-methoxyphenyl)methanone (CAS 84396-14-5)
- 1-(2-(1H-Imidazol-1-yl)-6-methylpyrimidin-4-yl)ethanone (CAS 888313-52-8)
- 2-((1H-Imidazol-1-yl)methyl)benzoic acid (CAS 883543-82-6)
- 4-(1H-Imidazol-1-yl)-3-methoxybenzaldehyde (CAS 870837-70-0)
- 4-(1H-Imidazol-1-yl)benzohydrazide (CAS 96717-21-4)
Recommended Standards
- 2-Allyl-5-aminoisoindoline-1,3-dione (CAS 1248982-48-0)
- 5-Amino-1-(pyrimidin-2-ylmethyl)pyridin-2(1h)-one (CAS 1250124-57-2)
- 2-Methyl-5-(pyridin-4-yl)-1H-pyrrole-3-carboxylic acid (CAS 1248408-55-0)
- 3-(4-Oxopiperidin-1-yl)pyrazine-2-carbonitrile (CAS 1250373-17-1)
- 2,4-Difluorobenzonitrile (CAS 3939-09-1)
- 2C-P HCl (CAS 1359704-27-0)
- (4-(Piperidin-1-yl)tetrahydro-2H-pyran-4-yl)methanamine (CAS 933726-84-2)
- 1,3-Bis(isopropyl)-4,5(dimethyl)imidazol-2-ylidene (CAS 151515-23-0)
- Baloxavir impurity 85 (CAS 2708125-86-2)
- cis-2-(Dimethylamino)- Cyclobutanemethanol (CAS 2231664-51-8)
- 4-Chloro-6-methoxy-2-(methylsulfonyl)pyrimidine (CAS 89466-55-7)
- 9-(4'-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-3-yl)-9H-carbazole (CAS 1385826-87-8)
- Benzyl but-3-en-1-yl(methyl)carbamate (CAS 1869847-55-1)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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