(6,7-Dimethoxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)-L-valine CAS 957023-82-4
| CAS No. | 957023-82-4 |
| Molecular Formula | C23H28N2O5 |
| Molecular Weight | 412.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(6,7-Dimethoxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)-L-valine (C23H28N2O5) contains a flavonoid core, an amide 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.
CATO supplies (6,7-Dimethoxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)-L-valine (CAS 957023-82-4), a certified reference material (molecular formula C23H28N2O5, MW 412.48 g/mol) for analytical method development and quality control.
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), (6,7-Dimethoxy-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)-L-valine 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 | C23H28N2O5 |
| Molecular Weight | 412.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Dimethoxy Standards
- 6,8-Dimethoxy-4-methyl-1-(4-phenoxyphenyl)-2,3-dihydro-1H-pyrrolo[3,2-c]quinoline (CAS 860784-79-8)
- 2-(3,4-Dimethoxy-phenyl)-5-[[2-(3,4-dimethoxyphenyl)-ethyl]methyl-amino]-pentanenitrile (CAS 95748-23-5)
- 6,7-Dimethoxy-3-(4-methoxy-6-methyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)-3h-isobenzofuran-1-one (CAS 10421-76-8)
- 6,7-Dimethoxy-3-(4-methoxybenzyl)-2-((oxiran-2-ylmethyl)thio)quinazolin-4(3H)-imine (CAS 477848-76-3)
- 6,7-Dimethoxy-3-(3-methoxypropyl)-2-(phenethylthio)quinazolin-4(3H)-imine (CAS 477848-77-4)
- 2-Ethyl-8,9-dimethoxy-5-((3-methoxybenzyl)thio)-[1,2,4]triazolo[1,5-c]quinazoline (CAS 860650-29-9)
- 4,4''-Dimethoxy-5'-(4-methoxyphenyl)-1,1':3',1''-terphenyl (CAS 7509-20-8)
- Ethyl 8,9-dimethoxy-2-methyl-1-(morpholinomethyl)-5,6-dihydropyrrolo[2,1-a]isoquinoline-3-carboxylate (CAS 20353-60-0)
Recommended Standards
- Octadecenylsuccinic Anhydride (mixture of isomers) (CAS 19024-74-9)
- (R)-2-((S)-2-((tert-Butoxycarbonyl)amino)-3-phenylpropanamido)-3-phenylpropanoic acid (CAS 93397-22-9)
- Anthracene-9-thiol (CAS 17534-14-4)
- (Z)-3-(((3-((Dimethylamino)methyl)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxamide (CAS 334949-59-6)
- 4-Chloro-6-(Dimethylamino)-2-(Methylthio)Pyrimidine-5-Carbaldehyde (CAS 445040-58-4)
- 2,5-Dihydro-1H-pyrrole-2-carboxylic acid hydrochloride (CAS 1841081-26-2)
- 4-Fluoro-5-methyl-2,3-dihydro-1H-inden-1-one (CAS 1273595-77-9)
- 2-Chloro-5-(trifluoromethyl)benzonitrile (CAS 328-87-0)
- Helicid (CAS 80154-34-3)
- (5-Chloro-2-fluorophenyl)hydrazine (CAS 396074-99-0)
- methyl 3-(propan-2-yloxy)oxolane-3-carboxylate (CAS 1989672-89-0)
- 3-Ethyl 5-(phenylmethyl)-1,4-dihydro-2-methyl-6-phenyl-4-(phenylethynyl)-3,5-Pyridinedicarboxylic Acid Ester (CAS 185222-90-6)
- Parecoxib Impurity 80 (CAS 3363-92-6)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
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