5,5-Dimethyl-3-methylidenepyrrolidin-2-one CAS 73018-16-3
| CAS No. | 73018-16-3 |
| Molecular Formula | C7H11NO |
| Molecular Weight | 125.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5-Dimethyl-3-methylidenepyrrolidin-2-one (CAS 73018-16-3), molecular formula C7H11NO and molecular weight 125.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H11NO, 5,5-Dimethyl-3-methylidenepyrrolidin-2-one contains an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 125.17 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), 5,5-Dimethyl-3-methylidenepyrrolidin-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 | C7H11NO |
| Molecular Weight | 125.17 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 5-Amino-1-propyl-1H-pyrazole (CAS 3524-15-0)
- 4-Hydroxy-7-(pyridin-3-yl)-9-(trifluoromethyl)thieno[2,3-b:4,5-b']dipyridin-2(1H)-one (CAS 879457-63-3)
- N-methyl-6-nitrobenzo[d]oxazol-2-amine (CAS 78749-80-1)
- (5-Chloro-2-nitrophenyl)methanesulfonyl chloride (CAS 1540471-57-5)
- 6-Ethyl-2-(pyridin-2-yl)quinoline-4-carboxylic acid (CAS 588711-28-8)
- Ethyl 2-chloro-4-methoxypyrimidine-5-carboxylate (CAS 1260178-65-1)
- N-(3-amino-4-methylphenyl)thiophene-2-carboxamide (CAS 332906-72-6)
- 2,3-Dihydro-3-(1H-indol-3-ylmethylene)-2-oxo-1H-indole-5-sulfonamide (CAS 181223-16-5)
- (4R)-Methyl 2-methylthiazolidine-4-carboxylate (CAS 336193-86-3)
- 1-(2-aminoethyl)-3-methylurea dihydrochloride (CAS 1909310-13-9)
- Tau Peptide (245-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 1428134-39-7)
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