5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-(4-methoxyphenyl)-2,3-dihydro-1H-pyrrol-3-one CAS 459137-96-3
| CAS No. | 459137-96-3 |
| Molecular Formula | C18H16N4O2 |
| Molecular Weight | 320.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 320.35 g/mol gives 5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-(4-methoxyphenyl)-2,3-dihydro-1H-pyrrol-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-(4-methoxyphenyl)-2,3-dihydro-1H-pyrrol-3-one (CAS 459137-96-3) is a high-purity analytical reference standard with the molecular formula C18H16N4O2 and a molecular weight of 320.35 g/mol.
Based on its molecular formula C18H16N4O2, 5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-(4-methoxyphenyl)-2,3-dihydro-1H-pyrrol-3-one 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 320.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-(4-methoxyphenyl)-2,3-dihydro-1H-pyrrol-3-one 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 | C18H16N4O2 |
| Molecular Weight | 320.35 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Amino Standards
- 1-(4-Amino-6-(phenylamino)-1,3,5-triazin-2-yl)-3-phenylguanidine (CAS 61495-60-1)
- 2'-Amino-[1,1':3',1"-terphenyl]-4,4",5'-tricarbonitrile (CAS 2096546-00-6)
- 4-Amino-N-(3-(2-hydroxyethyl)sulfonylphenyl)benzamide (CAS 20241-68-3)
- Methyl 2-amino-5-{[(2-methoxyphenyl)amino]-carbonyl}-4-methylthiophene-3-carboxylate (CAS 350989-51-4)
- 2-Amino-5-(4-methoxyphenylcarbamoyl)-4-methyl thiophene-3-carboxylic acid methyl ester 2-amino-5-(4-methoxy-phenylcarbamoyl)-4-methyl-thiophene-3-carboxylic acid methyl ester 2-amino-5-(4-methoxyphenylcarbamoyl)-4-methylthiophene-3-carboxylic acid methyl ester 350996-96-2 methyl 2-amino-5-([(4-methoxyphenyl)amino]-carbonyl)-4-methylthiophene-3-carboxylate (CAS 350996-96-2)
- (R)-4-Amino-3-(p-tolyl)butanoic acid (CAS 67112-56-5)
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Recommended Standards
- 4,4',4''-Nitrilotribenzonitrile (CAS 51545-36-9)
- 6-(4-Nitrophenyl)-2-phenyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridine (CAS 338758-07-9)
- 4-(Hydrazono(2-methoxyphenyl)methyl)-6-phenylpyridazin-3(2H)-one (CAS 832712-17-1)
- 7-(2H-1,3-Benzodioxol-5-yl)-2-tert-butyl-[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile (CAS 860650-24-4)
- 1-(3,4-Difluorophenyl)-1H-pyrazole-4-carboxylic acid (CAS 1260824-80-3)
- 5-(4-Chlorophenyl)isoxazole-3-carbaldehyde (CAS 763109-09-7)
- 3-chloro-5-methyl-pyrazine-2-carboxylic acid (CAS 1197232-67-9)
- 5,6,7,8-Tetrahydro-1,6-naphthyridine-3-carboxylic acid (CAS 1260664-02-5)
- Methyl 2-(2,5-dimethylthiazol-4-yl)acetate (CAS 306937-37-1)
- Palbociclib Impurity 28 (CAS 571188-59-5)
- 3-(Methylsulfonyl)-4-(3-nitrophenyl)-1H-pyrazole (CAS 1707395-91-2)
- 4-(4-Bromophenyl)-2-chloronicotinonitrile (CAS 1225658-71-8)
- n-Butyl-1-(4-cyanophenyl)methanesulfonamide (CAS 940769-68-6)
- Peptide 431 (CAS CATO-CPTD788431)
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