3-(2-Methoxybenzylidene)pyrrolidin-2-one CAS 1859-44-5
| CAS No. | 1859-44-5 |
| Molecular Formula | C12H13NO2 |
| Molecular Weight | 203.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.24 g/mol gives 3-(2-Methoxybenzylidene)pyrrolidin-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(2-Methoxybenzylidene)pyrrolidin-2-one (CAS 1859-44-5), molecular formula C12H13NO2 and molecular weight 203.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H13NO2, 3-(2-Methoxybenzylidene)pyrrolidin-2-one 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 203.24 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.
CATO manufactures 3-(2-Methoxybenzylidene)pyrrolidin-2-one 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 | C12H13NO2 |
| Molecular Weight | 203.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Methoxybenzylidene Standards
- 3-(4-Methoxybenzylidene)pyrrolidin-2-one (CAS 1859-45-6)
- (E)-2-(4-Methoxybenzylidene)-5-oxopyrazolidin-2-ium-1-ide (CAS 1321111-57-2)
- (E)-2-(3-methoxybenzylidene)hydrazine-1-carbothioamide (CAS 51146-74-8)
- 2-(2-Methoxybenzylidene)hydrazinecarbothioamide (CAS 4334-73-0)
- N'-(4-methoxybenzylidene)carbamohydrazonothioic acid (CAS 4334-74-1)
- N-(4-Methoxybenzylidene)aniline (CAS 1613-96-3)
- 3,5-bis(4-methoxybenzylidene)tetrahydro-4h-pyran-4-one 79731-35-4 AR-1E9436 (CAS 79731-35-4)
- 4-(4-Methoxybenzylidene)-3-methylisoxazol-5(4H)-one (CAS 17975-46-1)
Recommended Standards
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- 5-(4-Formylphenoxy)pentanenitrile (CAS 182497-04-7)
- 3-(Cyclopentylmethoxy)-2,2-dimethylpropane-1-sulfonyl chloride (CAS 1541551-55-6)
- 6-CHloro-2-(2,4-dimethylphenyl)imidazo[1,2-a]pyridine (CAS 305864-87-3)
- (4-(N-Phenethylsulfamoyl)phenyl)boronic acid (CAS 690662-88-5)
- 1,1-Dicyclopropylethan-1-ol (CAS 18895-50-6)
- Isocolumbin (CAS 471-54-5)
- 4-Methoxy-N-(6-methoxybenzo[d]thiazol-2-yl)benzamide (CAS 91506-71-7)
- 2-Fluoro-4-(3-(trifluoromethyl)-benzyloxy)benzonitrile (CAS 1240309-68-5)
- Benzyl (3S,5S)-3-amino-5-methylpiperidine-1-carboxylate hydrochloride (CAS 1228449-98-6)
- 3-Chloro-4-methoxybenzenesulfonic acid (CAS 118795-71-4)
- Des-Lys16-Tirzepatide (CAS CATO-CPTD788957)
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