Methyl 3-chloroisoquinoline-7-carboxylate CAS 1544665-58-8
| CAS No. | 1544665-58-8 |
| Molecular Formula | C11H8ClNO2 |
| Molecular Weight | 221.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Methyl 3-chloroisoquinoline-7-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Methyl 3-chloroisoquinoline-7-carboxylate (CAS 1544665-58-8) is a high-purity analytical reference standard with the molecular formula C11H8ClNO2 and a molecular weight of 221.64 g/mol.
Based on its molecular formula C11H8ClNO2, Methyl 3-chloroisoquinoline-7-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
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.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- Methyl 1-chloroisoquinoline-7-carboxylate (CAS 1206975-02-1)
- Methyl 1-chloroisoquinoline-5-carboxylate (CAS 1206979-27-2)
- Methyl 8-chloroisoquinoline-5-carboxylate (CAS 1246441-85-9)
- Methyl 3-chloroisoquinoline-4-carboxylate (CAS 1260642-58-7)
- Methyl 1-chloroisoquinoline-6-carboxylate (CAS 1357946-43-0)
- Methyl 7-chloroisoquinoline-4-carboxylate (CAS 1367827-00-6)
- Methyl 3-chloroisoquinoline-6-carboxylate (CAS 1416713-88-6)
- Methyl 3-chloroisoquinoline-5-carboxylate (CAS 1432514-90-3)
Recommended Standards
- Methyl 6-chloroquinoline-8-carboxylate (CAS 1531504-96-7)
- 2-Chloro-7-methylquinoline-3-carboxylic acid (CAS 155983-19-0)
- 5-chloro-4-phenoxypyrimidin-2-amine (CAS 1525484-34-7)
- 2-(5-Chloroquinolin-8-yl)acetic acid (CAS 1564787-54-7)
- 4-(5-Chloro-3-methyl-1h-pyrazol-1-yl)benzonitrile (CAS 1423029-19-9)
- 2-(5-(3,4-Dimethoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl)-N-(2,3-dimethylphenyl)acetamide (CAS 1052610-79-3)
- 4-Chloro-6-methyl-7-((tetrahydrofuran-2-yl)methyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 26035-92-7)
- 3-(2-Ethoxyethyl)-1,4-dimethyl-1h-pyrazol-5-amine (CAS 1152649-73-4)
- N-(2-Aminoethyl)-N-(2-(thiophen-2-yl)ethyl)isoquinoline-5-sulfonamide (CAS 651307-18-5)
- 2-(2-Chlorophenyl)-1-ethyl-6-oxopiperidine-3-carboxylic acid (CAS 1212278-17-5)
- 5'-Bromo-4'-fluorospiro[cyclopropane-1,3'-indolin]-2'-one (CAS 913720-17-9)
- Cesium sulfate (CAS 10294-54-9)
- 4-[([1,1-Biphenyl]-4-ylmethoxy)methyl]piperidine (CAS 946680-54-2)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
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