(E)-1-[(2,4-Dichlorophenyl)methylidene]-2-{5H-pyrimido[5,4-b]indol-4-yl}hydrazine CAS 338757-72-5
| CAS No. | 338757-72-5 |
| Molecular Formula | C17H11Cl2N5 |
| Molecular Weight | 356.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-1-[(2,4-Dichlorophenyl)methylidene]-2-{5H-pyrimido[5,4-b]indol-4-yl}hydrazine 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.
CATO supplies (E)-1-[(2,4-Dichlorophenyl)methylidene]-2-{5H-pyrimido[5,4-b]indol-4-yl}hydrazine (CAS 338757-72-5), a certified reference material (molecular formula C17H11Cl2N5, MW 356.21 g/mol) for analytical method development and quality control.
Structurally, (E)-1-[(2,4-Dichlorophenyl)methylidene]-2-{5H-pyrimido[5,4-b]indol-4-yl}hydrazine (C17H11Cl2N5) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 356.21 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.
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 | 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)
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- 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)
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Recommended Standards
- Diethyl 2-(((4-bromo-3-methylphenyl)amino)methylene)malonate (CAS 1820686-69-8)
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- 6-Bromo-3-methoxy-2-(2-oxo-2-(piperidin-1-yl)ethoxy)benzaldehyde (CAS 1427026-80-9)
- 1-(Tert-butyl) 7-methyl 5-bromoindoline-1,7-dicarboxylate (CAS 860624-87-9)
- 3-(Methylsulfonyl)benzimidamide Hydrochloride (CAS 150296-24-5)
- Di-tert-butyloxalate (CAS 691-64-5)
- 4-Methoxyphenyl 3-O-allyl-4-6-O-benzylidene-β-D-galactopyranoside (CAS 400091-05-6)
- 4-Chloro-2,6-dinitrobenzoic Acid (CAS 95192-57-7)
- trans-2-(4-Ethylbenzoyl)cyclohexane-1-carboxylic acid (CAS 733742-77-3)
- 2-Cyclohexyl-1-methyl-1H-benzo[d]imidazol-5-amine dihydrochloride (CAS 1158420-31-5)
- 2,6-Diallyl-4-vinyl-1,2,3,6-tetrahydropyridine (CAS 462068-10-6)
- 1-(Oxolan-2-yl)cyclopropan-1-amine (CAS 1780868-43-0)
- 1-(Piperidin-4-yl)propan-2-one (CAS 106140-41-4)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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