3,5-Dichloropyridine-4-carboxaldehyde CAS 136590-83-5
| CAS No. | 136590-83-5 |
| Molecular Formula | C6H9Cl2NO |
| Molecular Weight | 182.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3,5-Dichloropyridine-4-carboxaldehyde (CAS 136590-83-5), molecular formula C6H9Cl2NO and molecular weight 182.05 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3,5-Dichloropyridine-4-carboxaldehyde (C6H9Cl2NO) is characterized by an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 3,5-Dichloropyridine-4-carboxaldehyde 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.
Physical & Chemical Properties
| Molecular Formula | C6H9Cl2NO |
| Molecular Weight | 182.05 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloropyridine Standards
- 4,5-dichloropyridine-3-carbaldehyde (CAS 1009334-04-6)
- 4,6-dichloropyridine-2-carbaldehyde (CAS 132683-62-6)
- 2,3-Dichloropyridine-4-thiol (CAS 1803809-56-4)
- 2,6-Dichloropyridine-3-thiol (CAS 1806270-53-0)
- 2,6-Dichloropyridine-4-thiol (CAS 33256-13-2)
- 3,5-Dichloropyridine-2-thiol (CAS 41957-20-4)
- 3,5-Dichloropyridine-4-thiol (CAS 33216-53-4)
- 3,5-Dichloropyridine-2,4-diol (CAS 103792-80-9)
Recommended Standards
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- (5-Methyl-2-(methylthio)phenyl)boronic acid (CAS 1259443-48-5)
- N-(4-chlorophenyl)-4-hydroxybenzamide (CAS 3679-68-3)
- (R)-2-Amino-2-(2-fluorophenyl)ethanol hydrochloride (CAS 1391443-75-6)
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- N-((2-Chloropyridin-3-yl)methyl)propan-2-amine (CAS 1542369-40-3)
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- (5-methyl-4-phenyl-1,3-thiazol-2-yl)methanamine (CAS 244210-99-9)
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