(S)-2,3-Dimethoxy-5,8,13,13a-tetrahydro-6H-isoquinolino[3,2-a]isoquinoline-10,11-diol CAS 175274-51-8
| CAS No. | 175274-51-8 |
| Molecular Formula | C19H21NO4 |
| Molecular Weight | 327.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (S)-2,3-Dimethoxy-5,8,13,13a-tetrahydro-6H-isoquinolino[3,2-a]isoquinoline-10,11-diol.
(S)-2,3-Dimethoxy-5,8,13,13a-tetrahydro-6H-isoquinolino[3,2-a]isoquinoline-10,11-diol (CAS 175274-51-8), molecular formula C19H21NO4 and molecular weight 327.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H21NO4, (S)-2,3-Dimethoxy-5,8,13,13a-tetrahydro-6H-isoquinolino[3,2-a]isoquinoline-10,11-diol contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.37 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.
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 manufactures (S)-2,3-Dimethoxy-5,8,13,13a-tetrahydro-6H-isoquinolino[3,2-a]isoquinoline-10,11-diol 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 | C19H21NO4 |
| Molecular Weight | 327.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Nitrogen Atoms | 1 |
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