1-(4-Isopropylphenyl)-2-methyl-1H-benzimidazole-5-carboxylic acid CAS 442531-53-5
| CAS No. | 442531-53-5 |
| Molecular Formula | C18H18N2O2 |
| Molecular Weight | 294.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H18N2O2, 1-(4-Isopropylphenyl)-2-methyl-1H-benzimidazole-5-carboxylic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 294.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 1-(4-Isopropylphenyl)-2-methyl-1H-benzimidazole-5-carboxylic acid (CAS 442531-53-5), a certified reference material (molecular formula C18H18N2O2, MW 294.35 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H18N2O2 |
| Molecular Weight | 294.35 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Isopropylphenyl Standards
- 1,2-Bis(4-isopropylphenyl)ethane-1,2-dione (CAS 79135-58-3)
- 2-(4-Isopropylphenyl)-5-phenyl-1H-imidazole-4-thiol (CAS 1325306-39-5)
- 1-(2-isopropylphenyl)-5-phenyl-1H-imidazole-2-thiol (CAS 790271-18-0)
- 3-(4-(4-Isopropylphenyl)thiazol-2-yl)aniline (CAS 886507-93-3)
- 4-(2-Isopropylphenyl)-5-(pyridin-3-yl)-4h-1,2,4-triazole-3-thiol (CAS 380442-88-6)
- 2-((3-Isopropylphenyl)amino)pyridine-3-sulfonamide (CAS 1340689-53-3)
- 2-((4-Isopropylphenyl)amino)pyridine-3-sulfonamide (CAS 1340953-11-8)
- n-(4-Isopropylphenyl)-2-((1-methyl-1h-tetrazol-5-yl)thio)acetamide (CAS 329080-24-2)
Recommended Standards
- 1-(4-(Dimethylamino)phenyl)-3-(1H-indol-3-yl)urea (CAS 941968-59-8)
- 1-(5-Chloropyridin-2-yl)-2-phenylethan-1-one (CAS 361467-77-8)
- 1-(4-(4-(2,3-Dihydroxypropoxy)phenyl)piperazin-1-yl)ethan-1-one (CAS 94133-71-8)
- 1-(Methylamino)-4-(propylamino)anthracene-9,10-dione (CAS 67803-76-3)
- (E)-{[2-(4-chlorophenyl)-7-methylimidazo[1,2-a]pyridin-3-yl]methylidene}[(3-fluorophenyl)methoxy]amine (CAS 478257-39-5)
- 1-(3-(Methylthio)phenyl)-3-(1-(3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)urea (CAS 1396674-72-8)
- 4-Methoxy-2,5-dimethylpyrimidine (CAS 5767-72-6)
- Amyloid β-Protein (1-40) (mouse, rat) (CAS 144409-98-3)
- 2-(4-Chlorophenyl)-N-(4-ethoxybenzyl)ethan-1-amine hydrobromide (CAS 1609409-27-9)
- (3,4-Dimethoxy-benzyl)-pyridin-4-ylmethyl-aminehydrochloride (CAS 1185294-28-3)
- (R)-1-(3-((2-Hydroxyethyl)(methyl)amino)piperidin-1-yl)ethanone (CAS 1354015-94-3)
- (1-((2-(Trimethylsilyl)ethoxy)methyl)-1H-imidazol-4-yl)methanamine (CAS 2489305-93-1)
- 5-phenylpyrrolidine-2-carboxamide hydrochloride (CAS 1803561-79-6)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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