(S)-1-Isopropyl-5-oxopyrrolidine-3-carboxylic acid CAS 428518-39-2
| CAS No. | 428518-39-2 |
| Molecular Formula | C8H13NO3 |
| Molecular Weight | 171.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (S)-1-Isopropyl-5-oxopyrrolidine-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies (S)-1-Isopropyl-5-oxopyrrolidine-3-carboxylic acid (CAS 428518-39-2), a certified reference material (molecular formula C8H13NO3, MW 171.19 g/mol) for analytical method development and quality control.
Structurally, (S)-1-Isopropyl-5-oxopyrrolidine-3-carboxylic acid (C8H13NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 171.19 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 | C8H13NO3 |
| Molecular Weight | 171.19 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.) | 2025 |
| Nitrogen Atoms | 1 |
Related S Standards
- Methyl 5-isopropyl-4,5-dihydroisoxazole-3-carboxylate (CAS 147008-05-7)
- Methyl 2-isopropyl-4,5-dihydrooxazole-4-carboxylate (CAS 155884-30-3)
- Methyl 3-isopropyl-4,5-dihydroisoxazole-5-carboxylate (CAS 162218-92-0)
- (S)-1-Isopropyl-5-oxopyrrolidine-2-carboxylic acid (CAS 928063-85-8)
- 1-Isopropyl-2-oxopyrrolidine-4-carboxylic Acid (CAS 299920-47-1)
- 3-Isopropyl-5-methoxy-4-methyloxazol-2(3H)-one (CAS 207916-69-6)
- 4-Isopropyl-2-oxopyrrolidine-3-carboxylic acid (CAS 90088-26-9)
- Isopropyl 5-oxopyrrolidine-2-carboxylate (CAS 85136-11-4)
Recommended Standards
- (S)-2-(1-acetylpyrrolidin-2-yl)acetic acid (CAS 2277000-38-9)
- (S)-1-Acetylpyrrolidin-2-yl acetate (CAS 221911-75-7)
- (S)-2-(2-oxa-6-azaspiro[3.4]Octan-7-yl)acetic acid (CAS 2306247-83-4)
- (S)-1-(3,4-difluorophenyl)propan-1-amine (CAS 847448-46-8)
- 2,4-Dibromo-6-(difluoromethyl)pyridine-3-sulfonamide (CAS 1806890-99-2)
- (2-Amino-6-fluorophenyl)boronic acid hydrochloride (CAS 2387292-22-8)
- 2-(Dimethylamino)-2-phenylpropanenitrile (CAS 69097-27-4)
- 2-Cyano-4-methylhexanoic Acid Ethyl Ester (CAS 773084-98-3)
- 4-(Chloromethyl)-2-(3,4-dimethylphenyl)-5-methyloxazole (CAS 932728-59-1)
- Amlodipine Impurity N4 (CAS 113994-36-8)
- 2-Cyclopentyl-4-(difluoromethyl)-2h,6h,7h-pyrazolo[3,4-b]pyridin-6-one (CAS 1018163-80-8)
- 2,4,5-Trimethyl-1h-pyrrole-3-carboxylic acid (CAS 34294-61-6)
- Butyltriethoxysilane (CAS 4781-99-1)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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 18665070610 / Nicole.chen@cato-chem.com