5-Methylquinoline-4-carboxylic acid CAS 1474034-01-9
| CAS No. | 1474034-01-9 |
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-Methylquinoline-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 187.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Methylquinoline-4-carboxylic acid (CAS 1474034-01-9), molecular formula C11H9NO2 and molecular weight 187.19 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Methylquinoline-4-carboxylic acid 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 | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1992 |
| Nitrogen Atoms | 1 |
Related Methylquinoline Standards
- 7-Methylquinoline-5-carboxylic acid (CAS 1016257-78-5)
- 5-Methylquinoline-2-carboxylic acid (CAS 103856-59-3)
- 4-Methylquinoline-3-carboxylic acid (CAS 103907-10-4)
- 6-Methylquinoline-5-carboxylic acid (CAS 1211488-26-4)
- 6-Methylquinoline-2-carboxylic acid (CAS 15733-84-3)
- 3-Methylquinoline-4-carboxylic acid (CAS 1873-51-4)
- 4-Methylquinoline-5-carboxylic acid (CAS 1935554-00-9)
- 3-Methylquinoline-7-carboxylic acid (CAS 1956328-32-7)
Recommended Standards
- 2-(5-(Methoxycarbonyl)pyrrolidin-3-yl)acetic acid (CAS 1468669-40-0)
- 1-(8-Hydroxyquinolin-2-yl)ethanone (CAS 149003-37-2)
- Methyl 2-(2-methoxyethyl)-4,5-dihydrooxazole-4-carboxylate (CAS 1461706-80-8)
- [(3,5-difluoro-4-methoxyphenyl)methyl](methyl)amine (CAS 1502098-50-1)
- 1-Allyl-n-tert-butylcyclopropane-1-sulfonamide (CAS 669008-27-9)
- (2-bromo-1-methoxyethyl)cyclohexane (CAS 1955514-24-5)
- Cyclopropyl(tetrahydrofuran-2-yl)methanone (CAS 1485667-96-6)
- 1,2-Difluoro-4-methoxy-5-methyl-benzene (CAS 933674-84-1)
- 2-Amino-5-chlorobenzoxazole-d2 24160-33-6 5-Chloro-1,3-benzoxazol-2-amine-d2 5-Chloro-2-aminobenzoxazole-d2 5-Chloro-2-benzoxazolamine-d2 5-Chlorobenzoxazol-2-ylamine-d2 Deflexol-d2 Flexilon-d2 Flexin-d2 McN-485-d2 NSC 24995-d2 Zoxamin-d2 Zoxazolamine-d2 Zoxine-d2 (CAS 24160-33-6)
- Benzyl 4-(aminomethyl)piperidine-1-carboxylate hydrochloride (CAS 172348-57-1)
- 3-Methoxyisonicotinic Acid (CAS 654663-32-8)
- Methyl 2-(benzylamino)-2-(4-(trifluoromethyl)phenyl)acetate (CAS 1427067-34-2)
- 4-Bromo-2-fluoro-1-iodobenzene (CAS 105931-73-5)
- Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2)
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