(E)-N'-(2,4-dichlorobenzylidene)isonicotinohydrazide CAS 144293-91-4
| CAS No. | 144293-91-4 |
| Molecular Formula | C13H9Cl2N3O |
| Molecular Weight | 294.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-N'-(2,4-dichlorobenzylidene)isonicotinohydrazide 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.
(E)-N'-(2,4-dichlorobenzylidene)isonicotinohydrazide (CAS 144293-91-4), molecular formula C13H9Cl2N3O and molecular weight 294.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (E)-N'-(2,4-dichlorobenzylidene)isonicotinohydrazide (C13H9Cl2N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 294.14 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H9Cl2N3O |
| Molecular Weight | 294.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- 2'-Amino-3'-bromo-6'-methoxy-[1,1'-biphenyl]-2-ol (CAS 1424386-21-9)
- 9-(2,5-Dichlorobenzyl)-9H-purin-6-amine (CAS 1465922-64-8)
- (3AR,4s,9bs)-8-bromo-3a,4,5,9b-tetrahydro-3h-cyclopenta[c]quinoline-4-carboxylic acid (CAS 1415811-75-4)
- (R)-4-bromo-2-((tert-butoxycarbonyl)amino)pent-4-enoic acid (CAS 149930-92-7)
- Ethyl 2,3,3,3-tetrafluoropropionate (CAS 399-92-8)
- 6-Fluoro-2,3-dihydrobenzofuran-3-acetic Acid (CAS 1550937-08-0)
- 5-Bromo-2-fluoro-3-phenylpyridine (CAS 473596-03-1)
- 5-(Dimethylamino)-1,3,4-thiadiazole-2-thiol (CAS 2810-66-4)
- [(1-Butyl-1H-imidazol-2-yl)methyl]methylaminedihydrochloride (CAS 1189898-55-2)
- 2,5-Dioxopyrrolidin-1-yl 5-((3-(((2,5-dioxopyrrolidin-1-yl)oxy)carbonyl)-4-nitrocyclohexyl)disulfanyl)-2-nitrobenzoate (CAS 924898-35-1)
- Ethyl 5-(trifluoromethyl)oxazole-4-carboxylate (CAS 122019-71-0)
- 5-Amino-N-tert-butyl-2,4-difluorobenzene-1-sulfonamide (CAS 1036546-81-2)
- tert-Butyl 4-(((6-ethoxypyrimidin-4-yl)amino)methyl)piperidine-1-carboxylate (CAS 1353989-73-7)
- Tirzepatide Impurity 35 (CAS CATO-C4X-324035)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com