2-Chloro-7-methoxyquinoline-3-carbaldehyde CAS 68236-20-4
| CAS No. | 68236-20-4 |
| Molecular Formula | C11H8ClNO2 |
| Molecular Weight | 221.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Chloro-7-methoxyquinoline-3-carbaldehyde 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 2-Chloro-7-methoxyquinoline-3-carbaldehyde (CAS 68236-20-4), a certified reference material (molecular formula C11H8ClNO2, MW 221.64 g/mol) for analytical method development and quality control.
Structurally, 2-Chloro-7-methoxyquinoline-3-carbaldehyde (C11H8ClNO2) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 221.64 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C11H8ClNO2 |
| Molecular Weight | 221.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 6-Chloro-4H-[1,3]dioxino[5,4-c]isoquinoline (CAS 106488-48-6)
- 4-Chloro-3-(1H-pyrrol-1-yl)benzoic acid (CAS 107946-72-5)
- 8-Chloro-2-methylquinoline-3-carboxylic acid (CAS 1089898-90-7)
- 7-Chloro-8-methylquinoline-2-carboxylic acid (CAS 1092305-25-3)
- 1-Acetyl-3-chloro-1H-indole-2-carbaldehyde (CAS 110912-14-6)
- 2-Chloro-3-(1-cyanocyclopropyl)benzoic acid (CAS 1123582-10-4)
- 4-Chloro-2-methylquinoline-7-carboxylic acid (CAS 1150618-20-4)
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Recommended Standards
- 2-Chloro-6-methylquinoline-4-carboxylic acid (CAS 50503-75-8)
- 2-Chloro-8-methoxyquinoline-3-carbaldehyde (CAS 73568-28-2)
- 2-Chloro-6-methoxyquinoline-3-carbaldehyde (CAS 73568-29-3)
- 2-Chloro-8-methylquinoline-3-carboxylic Acid (CAS 399017-39-1)
- 2-Bromo-5-chloro-4-methylbenzoic acid (CAS 1426923-27-4)
- N-(4-(Difluoromethoxy)phenyl)-N,2-dimethylquinazolin-4-amine (CAS 827031-16-3)
- 2,2-Dimethyl-1,3-dioxolane (CAS 2916-31-6)
- n-(2-Chlorobenzyl)-1-(thiophen-2-yl)methanamine (CAS 66200-70-2)
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