3,4,5-Trimethyl-2H-pyrrol-2-one CAS 89267-97-0
| CAS No. | 89267-97-0 |
| Molecular Formula | C7H9NO |
| Molecular Weight | 123.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,4,5-Trimethyl-2H-pyrrol-2-one (CAS 89267-97-0), a certified reference material (molecular formula C7H9NO, MW 123.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H9NO, 3,4,5-Trimethyl-2H-pyrrol-2-one contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 123.15 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.
As a certified reference material (CRM), 3,4,5-Trimethyl-2H-pyrrol-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H9NO |
| Molecular Weight | 123.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3,3a,6,6a-Tetrahydro-cyclopenta[b]pyrrol-2(1H)-one (CAS 97426-82-9)
- 3,4-Dimethylpyridin-2(1H)-one (CAS 36330-90-2)
- 3-(Methoxymethyl)pyridine (CAS 58418-62-5)
- 3,4-Dimethylpyridin-2-ol (CAS 95907-02-1)
- 1-Ethyl-3-isopropylpyrrolidine-2,5-dione (CAS 185760-08-1)
- (3Z,3'Z)-4,4'-(1,3-phenylene)bis(1,1,1-trifluoro-4-hydroxybut-3-en-2-one) (CAS 1310684-78-6)
- 2-(4-Methylpiperidin-1-yl)isonicotinonitrile (CAS 1016839-37-4)
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- 5-(2-furyl)-1,3,4-oxadiazol-2(3H)-one (CAS 103418-56-0)
- Ethyl 2-(Pyridin-4-Yl)Isonicotinate (CAS 1214381-94-8)
- 1,2,3,5,6,7-Hexahydro-3-(2-methoxyethyl)-2-thioxo-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one (CAS 743452-42-8)
- Peptide 436 (CAS CATO-CPTD788436)
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