1-chloro-3-methoxy-isoquinoline CAS 16535-95-8
| CAS No. | 16535-95-8 |
| Molecular Formula | C10H18ClNO |
| Molecular Weight | 203.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 1-chloro-3-methoxy-isoquinoline is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 203.71 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.
1-chloro-3-methoxy-isoquinoline (CAS 16535-95-8), molecular formula C10H18ClNO and molecular weight 203.71 g/mol, is a CATO reference standard with documented purity and traceability.
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), 1-chloro-3-methoxy-isoquinoline 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 | C10H18ClNO |
| Molecular Weight | 203.71 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related chloro Standards
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Recommended Standards
- 2-chloro-5-methoxy-quinoline (CAS 160893-07-2)
- 4-Chloro-8-methoxyquinoline (CAS 16778-21-5)
- 7-Chloro-4-hydroxy-2-methylquinoline (CAS 15644-88-9)
- 3-chloro-5-methoxy-isoquinoline (CAS 1691715-12-4)
- 2-((7-Thioxo-6,7-dihydro-1H-imidazo[4,5-d]pyridazin-4-yl)thio)acetic acid (CAS 3438-83-3)
- Plantainoside D (CAS 147331-98-4)
- 3-Bromo-6-cyano-2-methylbenzoic acid (CAS 1807165-41-8)
- 1-(Benzyloxy)-3-bromopropan-2-ol (CAS 148173-18-6)
- 5'-O-tert-Butyldiphenylsilyl-thymidine (CAS 101527-40-6)
- 2-(3-Carboxyphenyl)-1-piperidinecarboxylic Acid 1-(1,1-Dimethylethyl) Ester (CAS 908334-24-7)
- ent-Cefradine EP Impurity B (CAS 26108-29-2)
- tert-Butyl 3-amino-5-fluoropiperidine-1-carboxylate (CAS 1356342-41-0)
- Flutamide impurity 8 (CAS 216665-22-4)
- Peptide 439 (CAS CATO-CPTD788439)
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