2-(4-Acetyl-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid CAS 33492-33-0
| CAS No. | 33492-33-0 |
| Molecular Formula | C9H11NO4 |
| Molecular Weight | 197.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(4-Acetyl-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid.
CATO supplies 2-(4-Acetyl-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid (CAS 33492-33-0), a certified reference material (molecular formula C9H11NO4, MW 197.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H11NO4, 2-(4-Acetyl-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic 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 197.19 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 2-(4-Acetyl-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic 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.
Physical & Chemical Properties
| Molecular Formula | C9H11NO4 |
| Molecular Weight | 197.19 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-(2-Nitro-1H-imidazol-1-yl)cyclopentanol (CAS 88135-09-5)
- 2-(4-hydroxy-6-methyl-2-oxo-1,2-dihydropyridin-1-yl)propanoic acid (CAS 928002-57-7)
- 2-(2-Methoxyethoxy)pyridine-4-carboxylic acid (CAS 897958-24-6)
- 2-(4-Hydroxyphenyl)pyrimidine-5-carbonitrile (CAS 77017-54-0)
- 1-Benzyl-N-[(ethylcarbamothioyl)amino]piperidine-4-carboxamide (CAS 866134-74-9)
- 3-(4-Ethoxyphenyl)propan-1-ol (CAS 72457-43-3)
- Tricarbonyl (cyclopentadienyl) molybdenum dimer (CAS 12091-64-4)
- Eplerenone Impurity 45 (CAS CATO-C4X-163045)
- 2-[(1-methyl-1h-imidazol-5-yl)methoxy]benzaldehyde (CAS 1467723-86-9)
- 4-(2-(Isopropylthio)phenyl)-1H-pyrrole-3-carbonitrile (CAS 87388-33-8)
- L-Ornithine L-Aspartate Impurity 2 3TFA (CAS 60259-82-7（free base）)
- tert-butyl 2,3-dihydropyrrolo[3,2-c]pyridine-1-carboxylate (CAS 219834-81-8)
- 3,3-Diallyl-3lambda5-[1,1'-biphenyl]-4,4'-diol (CAS 6942-01-4)
- Neuropeptide Y, porcine (CAS 82785-45-3)
Why CATO?
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