Ethyl (4R,4aR,8aS)-decahydroisoquinoline-4-carboxylate acetate CAS 646518-35-6
| CAS No. | 646518-35-6 |
| Molecular Formula | C12H21NO2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl (4R,4aR,8aS)-decahydroisoquinoline-4-carboxylate acetate (CAS 646518-35-6), molecular formula C12H21NO2C2H4O2 and molecular weight 271.36 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl (4R,4aR,8aS)-decahydroisoquinoline-4-carboxylate acetate (C12H21NO2C2H4O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), Ethyl (4R,4aR,8aS)-decahydroisoquinoline-4-carboxylate acetate 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 | C12H21NO2 C2H4O2 |
| Molecular Weight | 271.36 g/mol |
| Appearance | White to pale 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- 6-(5-ISOPROPYL-2-METHYLPHENOXY)HEXANAL (CAS 1383151-47-0)
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- 2-(2,3-Dihydro-1H-inden-5-yloxy)-2-methylpropanoyl chloride (CAS 1160257-88-4)
- methyl 2-oxo-5-(propan-2-yl)cyclohexane-1-carboxylate (CAS 153629-84-6)
- O1-(9H-fluoren-9-ylmethyl) O2-methyl (2R)-aziridine-1,2-dicarboxylate (CAS 1831058-97-9)
- [Glu]17-Semaglutide (CAS CATO-CPTD788604)
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