3-{1-[(4-methylphenyl)methyl]-5-oxopyrrolidine-3-amido}benzoic acid CAS 1291859-15-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1291859-15-8 |
| Molecular Formula | C20H20N2O4 |
| Molecular Weight | 352.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-{1-[(4-methylphenyl)methyl]-5-oxopyrrolidine-3-amido}benzoic acid (CAS 1291859-15-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H20N2O4. Molecular weight: 352.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H20N2O4 |
| Molecular Weight | 352.38 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 4-(1-(4-Methylbenzyl)-5-oxopyrrolidine-3-carboxamido)benzoic acid (CAS 1291844-49-9)
- Tadalafil Impurity 119 (CAS 130812-44-1)
- Gancaonin M (CAS 129145-51-3)
- 8-Oxaspiro[4.5]decan-1-one (CAS 1380389-10-5)
- 5-(4-Bromophenyl)-7-(2,4-dichlorophenyl)-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 303060-42-6)
- 2-Iodo-5-trifluoromethyl-4-trifluoromethylsulphanylpyridine (CAS 1408279-90-2)
- Benzyl 3-(methylsulfonyl)azetidine-1-carboxylate (CAS 1638760-91-4)
- Duloxetine 4-Hydroxy N-Methyl (CAS 1346601-61-3)
- (4AR,4bS,6aS,7S,9aS,9bS,11aR)-7-(hydroxymethyl)-4a,6a-dimethyl-1,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-2H-indeno[5,4-f]quinolin-2-one (CAS 139230-03-8)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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