4-Hydroxyquinoline-2-carbaldehyde CAS 168141-99-9
| CAS No. | 168141-99-9 |
| Molecular Formula | C10H7NO2 |
| Molecular Weight | 173.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Hydroxyquinoline-2-carbaldehyde (CAS 168141-99-9), a certified reference material (molecular formula C10H7NO2, MW 173.17 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H7NO2, 4-Hydroxyquinoline-2-carbaldehyde contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 173.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 4-Hydroxyquinoline-2-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.
Physical & Chemical Properties
| Molecular Formula | C10H7NO2 |
| Molecular Weight | 173.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Nitrogen Atoms | 1 |
Related Hydroxyquinoline Standards
- 2-Hydroxyquinoline-7-carbaldehyde (CAS 1260762-89-7)
- 4-Hydroxyquinoline-7-carboxaldehyde (CAS 1261490-52-1)
- 6-Hydroxyquinoline-4-carbaldehyde (CAS 1261490-63-4)
- 7-Hydroxyquinoline-5-carbaldehyde (CAS 1261544-80-2)
- 3-Hydroxyquinoline-6-carbaldehyde (CAS 1261626-85-0)
- 8-Hydroxyquinoline-4-carbaldehyde (CAS 14510-07-7)
- 4-Hydroxyquinoline-3-carboxaldehyde (CAS 7509-12-8)
- 4-Hydroxyquinoline-6-carboxaldehyde (CAS 916812-25-4)
Recommended Standards
- (2S,4R)-4-(Carboxymethyl)pyrrolidine-2-carboxylic acid (CAS 168034-55-7)
- N-(6-Cyanopyridin-2-yl)acrylamide (CAS 1691090-01-3)
- (2R,4S)-4-(Carboxymethyl)pyrrolidine-2-carboxylic acid (CAS 168034-54-6)
- 2-(Hydroxymethyl)-2-(4H-1,2,4-triazol-4-yl)propane-1,3-diol (CAS 1696720-09-8)
- 4-(3-Methoxyphenyl)-3-methylbutanoic acid (CAS 54961-40-9)
- 1-Deoxy-1-[(2-hydroxyethyl)amino]-D-glucitol (CAS 54662-27-0)
- tert-Butyl (4-bromo-3-fluoro-5-methylphenyl)carbamate (CAS 2680691-35-2)
- (S)-2-(4-Methylpiperazin-1-yl)propanoic acid (CAS 743407-95-6)
- 2-(Methylamino)-N-(2-methylphenyl)acetamidehydrochloride (CAS 1049701-76-9)
- 2,2-Dimethyl-3-(pyridin-4-yl)propanoic acid hydrochloride (CAS 2197052-65-4)
- N-(2,3-dichlorophenyl)thiourea (CAS 41542-06-7)
- (E)-2-Hexadecenal (CAS 22644-96-8)
- 2-(4-Butoxyphenyl)acetonitrile (CAS 38746-93-9)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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 18665070610 / Nicole.chen@cato-chem.com