3-Chloro-5-cyclopropoxypicolinaldehyde CAS 1243456-95-2
| CAS No. | 1243456-95-2 |
| Molecular Formula | C9H8ClNO2 |
| Molecular Weight | 197.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H8ClNO2, 3-Chloro-5-cyclopropoxypicolinaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 197.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Chloro-5-cyclopropoxypicolinaldehyde (CAS 1243456-95-2), molecular formula C9H8ClNO2 and molecular weight 197.62 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 3-Chloro-5-cyclopropoxypicolinaldehyde 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 | C9H8ClNO2 |
| Molecular Weight | 197.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
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- 2-(4-Chloro-3-methyl-phenoxy)-butyric acid (CAS 1006483-33-5)
- 2-(6-Chloro-9h-purin-9-yl)ethan-1-amine (CAS 100690-26-4)
- 2-Chloro-n,n-dimethyl-7h-purin-6-amine (CAS 100960-20-1)
- 2-Chloro-N-ethyl-9H-purin-6-amine (CAS 102429-99-2)
- 2-Chloro-5-cyclopropylpyridine-3-carboxylic acid (CAS 1035690-32-4)
- 5-Chloro-4-methyl-1H-pyrazolo[3,4-b]pyridine-3,6-diamine (CAS 107450-28-2)
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Recommended Standards
- 2-Chloro-5-cyclopropoxyisonicotinaldehyde (CAS 1243456-17-8)
- 4-Chloro-5-cyclopropoxynicotinaldehyde (CAS 1243460-57-2)
- 6-Chloro-5-cyclopropoxynicotinaldehyde (CAS 1243445-94-4)
- 4-Chloro-2-methyl-5-(prop-2-yn-1-ylamino)pyridazin-3(2H)-one (CAS 124414-87-5)
- Methyl (1-acetyl-3-oxopyrazolidin-4-yl)acetate (CAS 1428141-38-1)
- 1,4,4-Trifluorocyclohexane-1-carbaldehyde (CAS 2412762-32-2)
- 2-Cyano-3-cyclohexylpropanoic Acid (CAS 854709-45-8)
- n-Cyclopentyl-4-methoxyaniline (CAS 183496-95-9)
- tert-Butyl 4-chloro-3,3-difluoropyrrolidine-1-carboxylate (CAS 2298453-14-0)
- Methyl 2-(2-imino-6-(methylsulfonyl)benzo[d]thiazol-3(2H)-yl)acetate hydrobromide (CAS 1949836-92-3)
- n-((4-(2-Methoxyethyl)tetrahydro-2h-pyran-4-yl)methyl)-2-methylpropan-2-amine (CAS 1468716-25-7)
- 2-Methylphenyl 2-acetamido-3-4-6-tri-O-acetyl-2-deoxy-β-D-glucopyranoside (CAS 263746-44-7)
- Sivelestat sodium Impurity 2 (CAS 150374-99-5)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
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