6,7-Dimethoxy-3,4-dihydroisoquinoline CAS 3382-18-1
| CAS No. | 3382-18-1 |
| Molecular Formula | C11H13NO2 |
| Molecular Weight | 191.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 6,7-Dimethoxy-3,4-dihydroisoquinoline (CAS 3382-18-1), a certified reference material (molecular formula C11H13NO2, MW 191.23 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H13NO2, 6,7-Dimethoxy-3,4-dihydroisoquinoline contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 191.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 6,7-Dimethoxy-3,4-dihydroisoquinoline 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.
Physical & Chemical Properties
| Molecular Formula | C11H13NO2 |
| Molecular Weight | 191.23 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Dimethoxy Standards
- 5,8-dimethoxy-3,4-dihydroisoquinoline (CAS 103796-55-0)
- 5,6-dimethoxy-3,4-dihydroisoquinoline (CAS 103797-01-9)
- 4,6-Dimethoxy-7-methyl-1H-indole (CAS 1167056-63-4)
- 6,7-d6-Dimethoxy-3,4-dihydroisoquinoline (CAS 1221885-61-5)
- 1-(2,2-DImethoxy-ethyl)-2-isocyano-benzene (CAS 592479-02-2)
- 2-(3,4-dimethoxy-2-methylphenyl)acetonitrile (CAS 7537-06-6)
- 2-(3,5-Dimethoxy-4-methylphenyl)acetonitrile (CAS 2553-92-6)
- 2-(4,5-Dimethoxy-2-methylphenyl)acetonitrile (CAS 7537-09-9)
Recommended Standards
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- spiro[5H-furo[3,4-b]pyridine-7,3'-tetrahydropyran] (CAS 2761389-65-3)
- trans-5-Methyl-6-phenylmorpholin-3-one (CAS 5493-94-7)
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- n'-(2-Chloroacetyl)-5-ethyl-4-methylthiophene-2-carbohydrazide (CAS 1334146-63-2)
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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