4-(4-(Methoxycarbonyl)piperidin-1-yl)-4-oxobutanoic acid CAS 303994-57-2
| CAS No. | 303994-57-2 |
| Molecular Formula | C11H17NO5 |
| Molecular Weight | 243.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 4-(4-(Methoxycarbonyl)piperidin-1-yl)-4-oxobutanoic acid (CAS 303994-57-2), a certified reference material (molecular formula C11H17NO5, MW 243.26 g/mol) for analytical method development and quality control.
Structurally, 4-(4-(Methoxycarbonyl)piperidin-1-yl)-4-oxobutanoic acid (C11H17NO5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 243.26 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C11H17NO5 |
| Molecular Weight | 243.26 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Methoxycarbonyl Standards
- (S)-2-((methoxycarbonyl)amino)-2-((R)-4-oxaspiro[2.5]Octan-7-yl)acetic acid (CAS 1412807-17-0)
- 4-methoxycarbonyl-3-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid (CAS 2122497-43-0)
- Methyl 2-((methoxycarbonyl)amino)-4-(trimethylsilyl)but-3-ynoate (CAS 75806-14-3)
- 2-(4-Acetyl-3-(methoxycarbonyl)piperazin-1-yl)acetic acid (CAS 1353944-75-8)
- 2-{[2-(Methoxycarbonyl)hydrazino]carbonyl}cyclohexanecarboxylic acid (CAS 899017-22-2)
- 2-(4-(Methoxycarbonyl)phenyl)ethanesulfonic acid (CAS 756469-30-4)
- 2-((Methoxycarbonyl)amino)-5,6-dihydro-4h-cyclopenta[d]thiazole-4-carboxylic acid (CAS 1219827-62-9)
- (E)-4-(4-(methoxycarbonyl)piperidin-1-yl)-4-oxobut-2-enoic acid (CAS 303994-59-4)
Recommended Standards
- 4-(3-Formyl-2,5-dimethyl-1-pyrrolyl)benzoic Acid (CAS 52034-38-5)
- 4-(Benzyloxy)-2-methyl-1-nitrobenzene (CAS 22424-58-4)
- 4-(2-Methylbenzoyl)-1H-pyrrole-2-carbohydrazide (CAS 477858-85-8)
- 4-(Naphthalen-1-ylamino)-4-oxobutanoic acid (CAS 37642-93-6)
- 1,2-Difluoro-4-(trichloromethyl)benzene (CAS 143726-98-1)
- 7-(Trifluoromethyl)-4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine] (CAS 1956332-84-5)
- 5-Fluoro-1h-isoindol-3-amine hydrochloride (CAS 1354952-36-5)
- 2-Chloro-1-(6-fluoro-3,4-dihydro-2H-chromen-2-yl)ethanone (CAS 943126-72-5)
- 7-Chloro-2-vinylquinoline (CAS 177748-00-4)
- Custom Semivolatile Mix (CAS CATO-LCPD101684-HE)
- 2-(3,5-Dimethyl-1h-pyrazol-1-yl)ethan-1-amine dihydrochloride (CAS 1185304-68-0)
- 1-(8-Methoxy-2h-chromen-3-yl)ethan-1-one (CAS 57543-54-1)
- Carbonic acid, ethyl 2-pyridinyl ester (CAS 7325-39-5)
- D-Glu3-Tirzepatide (CAS CATO-CPTD788927)
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