(E)-3-Butylidene-5-methylpyrrolidin-2-one CAS 679818-45-2
| CAS No. | 679818-45-2 |
| Molecular Formula | C9H15NO |
| Molecular Weight | 153.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (E)-3-Butylidene-5-methylpyrrolidin-2-one is closely related to an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies (E)-3-Butylidene-5-methylpyrrolidin-2-one (CAS 679818-45-2), a certified reference material (molecular formula C9H15NO, MW 153.22 g/mol) for analytical method development and quality control.
(E)-3-Butylidene-5-methylpyrrolidin-2-one (C9H15NO) contains an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), (E)-3-Butylidene-5-methylpyrrolidin-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 | C9H15NO |
| Molecular Weight | 153.22 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1985 |
| Nitrogen Atoms | 1 |
Related E Standards
- N-(1-Butylidene)-N-phenylamine (CAS 4275-07-4)
- N-butylidene-2-methylpropane-2-sulfinamide (CAS 842121-00-0)
- butyl(butylidene)amine (CAS 4853-56-9)
- 3-Butylidene Phthalide-d8 (CAS 1795142-65-2)
- 3-Butylidene-7-hydroxyphthalide (CAS 93236-67-0)
- 3-Butylidene-7-methylimidazo[1,2-a]pyrimidine-2,5(1H,3H)-dione (CAS 61593-28-0)
Recommended Standards
- (E)-3-(2-Methylpropylidene)piperidin-2-one (CAS 483305-42-6)
- (E)-N-Cyclopropylhex-2-enamide (CAS 950986-78-4)
- (Butan-2-yl)[(furan-2-yl)methyl]amine (CAS 869941-60-6)
- (R)-(-)-1-Cyclohexylethyl isocyanate, 94% (CAS 93470-26-9)
- 1-(3,4-Dichlorophenyl)-4-nonylpiperazine (CAS 866151-50-0)
- 2,2-Dimethyl-3,4-dihydro-2H-pyrrol-5-amine (CAS 1003-72-1)
- 4-(2-Bromophenyl)-1h-pyrazole (CAS 1260795-26-3)
- 4-({6-amino-5-bromo-2-[(2-bromo-4-cyanophenyl)amino]pyrimidin-4-yl}oxy)-3,5-dimethylbenzonitrile (CAS 1246746-61-1)
- 4-[1-(Aminomethyl)cyclobutyl]aniline (CAS 1936304-51-6)
- (E)-Methyl 2-((3-(5-chloro-2-hydroxyphenyl)allyl)amino)acetate (CAS 1629041-81-1)
- Tert-butyl (3-aminobenzo[d]isoxazol-4-yl)carbamate (CAS 1313712-34-3)
- Pitavastatin Impurity 17 Sodium Salt (Mixture of Diastereomers) (CAS CATO-C4X-103717)
- 6-Bromo-5-cyclopropoxypicolinaldehyde (CAS 1243384-72-6)
- ([D?]Val?·1?)-C-Peptide (human) (CAS 1802078-41-6)
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