1-(4-tert-Butylphenyl)-5-oxopyrrolidine-3-carboxylic acid CAS 133747-81-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 133747-81-6 |
| Molecular Formula | C15H19NO3 |
| Molecular Weight | 261.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-tert-Butylphenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 133747-81-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H19NO3. Molecular weight: 261.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H19NO3 |
| Molecular Weight | 261.32 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related tert Standards
- 1-(2-sec-Butylphenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 556007-05-7)
- 1-(4-Butylphenyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 63674-57-7)
- 5-(4-Tert-butylphenyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 174573-98-9)
- (4-Butylphenyl)(5-methylthiophen-2-yl)methanol (CAS 944697-64-7)
- 1-(4-Tert-butylphenyl)cyclohexane-1-carboxylic acid (CAS 923200-14-0)
- 115199-55-8 Ethyl 4-(4-butylphenyl)-4-oxobutanoate DTXSID30616951 (CAS 115199-55-8)
- Methyl 5-(4-butylphenyl)-5-oxopentanoate (CAS 1283411-30-2)
- 1-(4-Butylphenyl)-3-(1,3-dioxolan-2-yl)propan-1-one (CAS 842124-10-1)
Recommended Standards
- 1-Benzyl-4-(diethoxymethyl)-1,2,3-triazole (CAS 133735-81-6)
- 6-Phenyl-2,3,4,9-tetrahydro-1H-carbazol-1-one (CAS 134285-24-8)
- (+/-)-tert-Butyl-2-benzyl-4-oxoazetidine-1-carboxylate (CAS 1335042-68-6)
- Fmoc-D-Glu(OtBu)-OH (CAS 104091-08-9)
- 2-Cyclopropoxy-6-nitrobenzaldehyde (CAS 1243383-12-1)
- ((2R,3S,5R)-5-(4,5-Diamino-2-oxopyrimidin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate (CAS 88188-04-9)
- N6,N6-Dimethylquinoline-3,6-diamine (CAS 1780418-12-3)
- 1-(4-Chloro-pyridin-2-yl)-piperazine dihydrochloride (CAS 1187932-16-6)
- 2-Chloro-3-pyridinemethanol (CAS 42330-59-6)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com