(E)-1-[(2,4-Dichlorophenyl)methylidene]-2-{5H-pyrimido[5,4-b]indol-4-yl}hydrazine CAS 338757-72-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338757-72-5 |
| Molecular Formula | C17H11Cl2N5 |
| Molecular Weight | 356.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(E)-1-[(2,4-Dichlorophenyl)methylidene]-2-{5H-pyrimido[5,4-b]indol-4-yl}hydrazine (CAS 338757-72-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H11Cl2N5. Molecular weight: 356.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H11Cl2N5 |
| Molecular Weight | 356.21 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 |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related E Standards
- Ethyl 2-{3-[(2,4-dichlorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydropyridin-1-yl}acetate (CAS 478045-88-4)
- 4-(2,4-dichlorophenyl)-5-(methoxycarbonyl)-2,6-dimethyl-1,4-dihydro-3-pyridinecarboxylic acid
439120-57-7
KS-00003GFW (CAS 439120-57-7)
- 2-({[(3,5-dichlorophenyl)carbamoyl]methyl}sulfanyl)benzoic acid (CAS 795290-87-8)
- 3-(2,6-Dichlorophenyl)-N-(4,5-dihydrothiazol-2-yl)-5-methylisoxazole-4-carboxamide (CAS 215778-88-4)
- N-(2,4-Dichlorophenyl)-2-oxo-2-{2-[2-(1H-1,2,4-triazol-1-yl)ethanimidoyl]hydrazino}acetamide (CAS 320418-96-0)
- N-(3,4-Dichlorophenyl)-2,2-diphenylacetamide (CAS 50916-30-8)
- (2,4-Dichlorophenyl)(4,5-dimethoxy-2-nitrophenyl)methanone (CAS 374086-20-1)
- Ethyl 5-(2,4-dichlorophenyl)-4,6-dioxo-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrazole-3-carboxylate (CAS 321522-05-8)
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 13829788188 / jacky.chen@cato-chem.com