3-Methyl-2-(2-oxopyrrolidin-1-yl)butanoic acid CAS 1094652-93-3
| CAS No. | 1094652-93-3 |
| Molecular Formula | C9H15NO3 |
| Molecular Weight | 185.22 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.
3-Methyl-2-(2-oxopyrrolidin-1-yl)butanoic acid (CAS 1094652-93-3), molecular formula C9H15NO3 and molecular weight 185.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H15NO3, 3-Methyl-2-(2-oxopyrrolidin-1-yl)butanoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 185.22 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H15NO3 |
| Molecular Weight | 185.22 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 3-(1-Ethyl-5-oxopyrrolidin-2-yl)propanoic acid (CAS 1823773-49-4)
- 1-Methyl-3-(2-(2-oxopyrrolidin-1-yl)ethyl)urea (CAS 95356-61-9)
- Ethyl 3-(5-oxopyrrolidin-2-yl)propanoate (CAS 89317-07-7)
- Methyl 4-(2-oxopyrrolidin-1-yl)butanoate (CAS 6740-20-1)
- N-[3-(2-oxopyrrolidin-1-yl)propyl]acetamide (CAS 106692-36-8)
- 2-(2-oxopyrrolidin-1-yl)benzonitrile (CAS 16240-73-6)
- 4-(2-Oxopyrrolidin-1-yl)benzonitrile (CAS 167833-93-4)
- 3-(2-Oxopyrrolidin-1-yl)benzonitrile (CAS 939999-23-2)
Recommended Standards
- β-Methyl-2-oxo-1-piperidinepropanoic acid (CAS 1094630-83-7)
- n-Cyclopropyl-2-((2-(methylamino)-2-oxoethyl)amino)acetamide (CAS 1095519-92-8)
- 1-Isopropyl-5-oxopyrrolidine-3-carbohydrazide (CAS 1094533-59-1)
- methyl 7H-pyrrolo[2,3-d]pyrimidine-4-carboxylate (CAS 1095822-17-5)
- Tosylserine (CAS 5873-11-0)
- 1-(3-Bromophenyl)cyclobutanamine (CAS 1098349-39-3)
- (1Z)-1-{3-chloro-4-[(4-fluorophenyl)methoxy]phenyl}-N-(2,4-difluorophenyl)methanimine (CAS 297150-45-9)
- CAY10498 (CAS 863202-33-9)
- 4-Bromo-2-hydroxy-5-methylpyridine (CAS 1227578-85-9)
- Finerenone (CAS 1050477-31-0)
- 2-(2-Methyl-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)butanoic acid (CAS 899710-25-9)
- N-(2-BROMO-4-METHOXY-5-METHYLPHENYL)ACETAMIDE (CAS 645419-16-5)
- (2-(2-Methoxyphenoxy)phenyl)methanaminehydrochloride (CAS 870061-70-4)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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