| CAS No. | 38221-25-9 |
| Molecular Formula | C13H19NO2 |
| Molecular Weight | 221.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Structurally, (S)-6,7-Dimethoxy-1,2-dimethyl-1,2,3,4-tetrahydroisoquinoline (C13H19NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 221.30 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(S)-6,7-Dimethoxy-1,2-dimethyl-1,2,3,4-tetrahydroisoquinoline (CAS 38221-25-9), molecular formula C13H19NO2 and molecular weight 221.30 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (S)-6,7-Dimethoxy-1,2-dimethyl-1,2,3,4-tetrahydroisoquinoline 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.
| Molecular Formula | C13H19NO2 |
| Molecular Weight | 221.30 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |