(Z)-{[2-(4-methoxyphenyl)cyclopropyl](pyridin-2-yl)methylidene}amino 4-methylbenzoate CAS 338749-32-9
| CAS No. | 338749-32-9 |
| Molecular Formula | C24H22N2O3 |
| Molecular Weight | 386.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(Z)-{[2-(4-methoxyphenyl)cyclopropyl](pyridin-2-yl)methylidene}amino 4-methylbenzoate (CAS 338749-32-9), molecular formula C24H22N2O3 and molecular weight 386.44 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (Z)-{[2-(4-methoxyphenyl)cyclopropyl](pyridin-2-yl)methylidene}amino 4-methylbenzoate (C24H22N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 386.44 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C24H22N2O3 |
| Molecular Weight | 386.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 1-[2-(Oxiranylmethoxy)-5-(benzyloxy)phenyl]-3-phenyl-2-propen-1-one (CAS 93885-31-5)
- 4-Benzyloxy-3,5-dibromo-benzaldehyde (CAS 249515-06-8)
- 2-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)amino)-2-oxoethyl 3-chloro-4,5-dimethoxybenzoate (CAS 854135-23-2)
- (S)-1-(sec-Butyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-(6-(piperazin-1-yl)pyridin-3-yl)-1H-indole-4-carboxamide (CAS 1419101-48-6)
- 6-amino-5-sulfamoylpyridine-3-boronic acid (CAS 1083326-27-5)
- 2-{[(3,4-dichlorophenyl)methyl]sulfanyl}-5-methoxy-N-(propan-2-yl)pyrimidin-4-amine (CAS 338954-53-3)
- 4-(Ethoxymethylidene)-2-(pyridin-2-yl)-1,2,3,4-tetrahydroisoquinoline-1,3-dione (CAS 750601-20-8)
- 3-(Chloromethyl)-5-(4-methylphenyl)-1,2,4-oxadiazole (CAS 73217-33-1)
- 2-(2-fluorobenzyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 517920-60-4)
- 5-(Chloromethyl)-3-(4-chlorophenyl)-4,5-dihydro-1,2-oxazole (CAS 62353-39-3)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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