Methyl 6-chloro-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate CAS 638192-18-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 638192-18-4 |
| Molecular Formula | C11H8ClNO4 |
| Molecular Weight | 253.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 6-chloro-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate (CAS 638192-18-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H8ClNO4. Molecular weight: 253.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H8ClNO4 |
| Molecular Weight | 253.64 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; 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.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Methyl Standards
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Recommended Standards
- Ethyl 7-chloro-4-oxo-4H-pyrimido[1,2-b]pyridazine-3-carboxylate (CAS 30247-72-4)
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- 2-((5-Chlorobenzo[d]isoxazol-3-yl)oxy)ethyl acetate (CAS 143869-62-9)
- (R)-Pyrrolidin-2-ylboronic acid (CAS 914980-38-4)
- 1-(3-Hydroxy-5-iodophenyl)ethan-1-one (CAS 905917-41-1)
- 2'-Amino-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1312703-28-8)
- N-[(pyridin-4-yl)methyl]oxan-4-amine (CAS 885277-39-4)
- 4'-fluoro-1',2'-dihydrospiro[cyclopentane-1,3'-indole] (CAS 1235439-61-8)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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