4-(4-tert-Butylphenyl)-2-{[(4-methoxyphenyl)methyl]amino}-4-oxobutanoic acid CAS 1042722-13-3
| CAS No. | 1042722-13-3 |
| Molecular Formula | C22H27NO4 |
| Molecular Weight | 369.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(4-tert-Butylphenyl)-2-{[(4-methoxyphenyl)methyl]amino}-4-oxobutanoic 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.
4-(4-tert-Butylphenyl)-2-{[(4-methoxyphenyl)methyl]amino}-4-oxobutanoic acid (CAS 1042722-13-3), molecular formula C22H27NO4 and molecular weight 369.45 g/mol, is a CATO reference standard with documented purity and traceability.
4-(4-tert-Butylphenyl)-2-{[(4-methoxyphenyl)methyl]amino}-4-oxobutanoic acid (C22H27NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C22H27NO4 |
| Molecular Weight | 369.45 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
Related tert Standards
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- 7-(4-Butylphenyl)-6-fluoro-5,10-dihydroindeno[1,2-b]indol-2-amine (CAS 920304-41-2)
- 2-{[(4-tert-butylphenyl)methyl]sulfanyl}-5-[2-(methylsulfanyl)phenyl]-1,3,4-oxadiazole (CAS 339015-43-9)
- 3-(4-butylphenyl)-2-mercapto-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 379255-86-4)
- 1-(4-tert.-Butylphenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid (2-chlorophenyl)amide (CAS 1000576-97-5)
- 1-((4-Butylphenyl)amino)-4-hydroxyanthracene-9,10-dione (CAS 71334-38-8)
- 2-{[5-(4-tert-Butylphenyl)-4-phenyl-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 312522-54-6)
Recommended Standards
- Meropenem Impurity 30 (CAS CATO-C4X-130930)
- Ethyl 1,1,7,7-tetramethyl-11-oxo-2,3,5,6,7,11-hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylate (CAS 113869-06-0)
- Febuxostat Impurity 26 (CAS 2428631-67-6)
- 1-(4-((Benzyloxy)methyl)piperidin-1-yl)-2-(2-methoxyphenoxy)ethan-1-one (CAS 1226429-97-5)
- 6'-Fluorospiro[cyclopropane-1,1'-isoindolin]-3'-one (CAS 1440520-01-3)
- Sodium 2,5-bis(methoxycarbonyl)benzenesulfonate (CAS 31314-30-4)
- (1R,2S)-methyl 2-hydroxycyclopentanecarboxylate (CAS 122331-02-6)
- 2-(((4-Cyclohexylphenyl)amino)methyl)-4-iodo-6-methoxyphenol (CAS 763130-41-2)
- 1-(3-Chloro-2-fluorophenyl)cyclobutanecarboxylic Acid (CAS 1260751-97-0)
- 2-(8-Methoxy-2-oxoquinolin-1(2H)-yl)acetic acid (CAS 1225751-49-4)
- (3,5-Di-tert-butylphenyl)boronic acid (CAS 197223-39-5)
- 2-Phenyl-4-(quinolin-2-yl)-4,5-dihydro-1,3-oxazol-5-one (CAS 76278-23-4)
- 2-Chloro-5-(trifluoromethoxy)aniline hydrochloride (CAS 5594-52-5)
- Bradykinin-Like Neuropeptide (Aplysia californica) (H-1654.0001) (CAS 165174-60-7)
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