3-Acetyl-5-methylpyrrolidine-2,4-dione CAS 769-03-9
| CAS No. | 769-03-9 |
| Molecular Formula | C7H9NO3 |
| Molecular Weight | 155.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Acetyl-5-methylpyrrolidine-2,4-dione is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3-Acetyl-5-methylpyrrolidine-2,4-dione (CAS 769-03-9), a certified reference material (molecular formula C7H9NO3, MW 155.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H9NO3, 3-Acetyl-5-methylpyrrolidine-2,4-dione 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 155.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Acetyl-5-methylpyrrolidine-2,4-dione 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.
Physical & Chemical Properties
| Molecular Formula | C7H9NO3 |
| Molecular Weight | 155.15 g/mol |
| Appearance | Off-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, water |
| 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.) | 1957 |
| Nitrogen Atoms | 1 |
Related Acetyl Standards
- Ethyl 4-methylpyrrolidine-2-carboxylate (CAS 1219532-40-7)
- Ethyl 3-methylpyrrolidine-3-carboxylate (CAS 1339653-52-9)
- 4-Ethyl-1-methylpyrrolidine-2-carboxylic acid (CAS 1378252-71-1)
- Ethyl 1-Methylpyrrolidine-3-carboxylate (CAS 14398-95-9)
- Ethyl 2-methylpyrrolidine-2-carboxylate (CAS 16277-07-9)
- Ethyl 4-methylpyrrolidine-3-carboxylate (CAS 49835-91-8)
- Ethyl 5-methylpyrrolidine-2-carboxylate (CAS 2764-43-4)
- N-Methylpyrrolidine-1-carbothiohydrazide (CAS 85748-58-9)
Recommended Standards
- 3-Acetyl-5-ethyloxazol-2(3H)-one (CAS 92174-74-8)
- 3-Amino-3-(1H-imidazol-2-yl)propanoic acid (CAS 773125-05-6)
- 3-Acetyl-4-hydroxy-1-methyl-1H-pyrrol-2(5H)-one (CAS 67513-33-1)
- 3-Amino-3-(furan-2-yl)propanoic acid (CAS 73456-99-2)
- 3-((4-Chlorophenyl)sulfonamido)thiophene-2-carboxylic acid (CAS 254878-28-9)
- 5-(Benzyloxy)-2-methylbenzaldehyde (CAS 1450931-38-0)
- (Z)-2-Bromo-N-hydroxybenzene-1-carbonimidoyl chloride (CAS 1370420-70-4)
- 2-(2-(Benzo[d]isoxazol-3-yl)acetyl)-N-phenylhydrazine-1-carbothioamide (CAS 860651-58-7)
- 2-[(9H-fluoren-9-ylmethoxy)carbonyl]-1,2,3,4-tetrahydroisoquinoline-7-carboxylic acid (CAS 1556628-22-8)
- n-(4-Iodophenyl)-2-(1h-pyrazol-1-yl)propanamide (CAS 1172941-68-2)
- Phytic Acid (CAS 83-86-3)
- (1-Phenyl-but-3-enyl)thiophen-2-ylmethyl-amine 1-phenyl-N-(thiophen-2-ylmethyl)but-3-en-1-amine 436088-65-2 (CAS 436088-65-2)
- 2-(1-Methylpyrrolidin-2-yl)ethanethioamide (CAS 648427-71-8)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
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