(E)-N'-(4-hydroxy-3-methoxybenzylidene)-1-(6-methylpyridin-2-yl)-1H-imidazole-4-carbohydrazide CAS 478257-57-7
| CAS No. | 478257-57-7 |
| Molecular Formula | C18H17N5O3 |
| Molecular Weight | 351.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (E)-N'-(4-hydroxy-3-methoxybenzylidene)-1-(6-methylpyridin-2-yl)-1H-imidazole-4-carbohydrazide (C18H17N5O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 351.36 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(E)-N'-(4-hydroxy-3-methoxybenzylidene)-1-(6-methylpyridin-2-yl)-1H-imidazole-4-carbohydrazide (CAS 478257-57-7) is a high-purity analytical reference standard with the molecular formula C18H17N5O3 and a molecular weight of 351.36 g/mol.
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 (E)-N'-(4-hydroxy-3-methoxybenzylidene)-1-(6-methylpyridin-2-yl)-1H-imidazole-4-carbohydrazide 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 | C18H17N5O3 |
| Molecular Weight | 351.36 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
Recommended Standards
- (2R,3R,4S,5R)-2-(6-Hydroxy-8-(piperidin-1-yl)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 293320-21-5)
- 1-(4-(Furan-2-carbonyl)piperazin-1-yl)-2-(1H-indol-3-yl)ethane-1,2-dione (CAS 852367-25-0)
- ((2R,3S,4S,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl pentanoate (CAS 65926-31-0)
- 1,3-Dioxo-2-[(oxolan-2-yl)methyl]-n-(pyridin-4-yl)-2,3-dihydro-1h-isoindole-5-carboxamide (CAS 497062-81-4)
- N-(3,5-Bis(trifluoromethyl)phenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618415-07-9)
- 2-((3-(Benzo[d][1,3]dioxol-5-yl)-1H-1,2,4-triazol-5-yl)thio)-1-(4-bromophenyl)ethanone (CAS 140406-05-9)
- 2-((TERT-BUTOXYCARBONYL)AMINO)-2-(4,4-DIFLUOROCYCLOHEXYL)ACETIC ACID (CAS 1822546-08-6)
- 5,12-Dichlorotricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene (CAS 27414-57-9)
- 2-(4-(2-Amino-3-cyano-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromen-4-yl)-2-methoxyphenoxy)-N-(m-tolyl)acetamide (CAS 336179-99-8)
- Trazodone Impurity 35 (CAS 142944-48-7（free base）)
- Isoquinolin-5-ylboronic acid hydrochloride (CAS 1256345-46-6)
- (3-Ethoxy-2-fluorophenyl)boronic acid (CAS 855230-61-4)
- Methyl 6-(benzylamino)-5-cyano-2-methylpyridine-3-carboxylate (CAS 303146-89-6)
- Lixisenatide (CAS 320367-13-3（free base）)
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