223388-20-3 3-Isoquinolinecarboxylicacid, 1-chloro-4-hydroxy-, methyl ester CTK4E9208 CAS 223388-20-3
| CAS No. | 223388-20-3 |
| Molecular Formula | C11H18ClNO3 |
| Molecular Weight | 247.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 247.72 g/mol gives 223388-20-3 3-Isoquinolinecarboxylicacid, 1-chloro-4-hydroxy-, methyl ester CTK4E9208 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
223388-20-3 3-Isoquinolinecarboxylicacid, 1-chloro-4-hydroxy-, methyl ester CTK4E9208 (CAS 223388-20-3) is a high-purity analytical reference standard with the molecular formula C11H18ClNO3 and a molecular weight of 247.72 g/mol.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 223388-20-3 3-Isoquinolinecarboxylicacid, 1-chloro-4-hydroxy-, methyl ester CTK4E9208 is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 247.72 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.
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), 223388-20-3 3-Isoquinolinecarboxylicacid, 1-chloro-4-hydroxy-, methyl ester CTK4E9208 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 | C11H18ClNO3 |
| Molecular Weight | 247.72 g/mol |
| Appearance | White to pale 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2020 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 7-Chloro-4-(piperazin-1-yl)quinoline (CAS 837-52-5)
- 280115-99-3 4-chlorocarbonyl-piperidine-1-carboxylic acid tert-butyl ester (CAS 280115-99-3)
- N-(4-Chlorophenyl)-3-methoxy-N-methylaniline (CAS 32749-40-9)
- 816455-27-3 tert-butyl 3-(chlorocarbonyl)piperidine-1-carboxylate (CAS 816455-27-3)
- 4-(4-Pyridylmethyl)-1(2H)-phthalazinone (CAS 107558-48-5)
- n-(1-Benzyl-1h-pyrazol-5-yl)-2-chloroacetamide (CAS 1258641-39-2)
- 2-Methoxy-4-methylpyrimidin-5-amine (CAS 908099-97-8)
- (E)-Pent-3-enal (CAS 58838-14-5)
- N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(2,2,2-trifluoroethyl)-L-serine (CAS 2642331-52-8)
- 6-Methoxy-3-(pyridin-3-yl)-2-(trifluoromethyl)pyridine (CAS 1214389-33-9)
- Chloroprocaine impurity 63 (CAS 2832162-01-1)
- Cyclohexane-1,2,3-triol (CAS 6286-43-7)
- Tert-butyl 5-(methylamino)octahydro-2H-isoindole-2-carboxylate (CAS 1793108-46-9)
- Delta-Sleep Inducing Peptide (CAS 62568-57-4)
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