1-(3,4-Dimethoxyphenyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline CAS 15547-55-4
| CAS No. | 15547-55-4 |
| Molecular Formula | C19H23NO4 |
| Molecular Weight | 329.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(3,4-Dimethoxyphenyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(3,4-Dimethoxyphenyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline (CAS 15547-55-4), molecular formula C19H23NO4 and molecular weight 329.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(3,4-Dimethoxyphenyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline (C19H23NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 329.39 g/mol, it falls into the moderately-high-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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H23NO4 |
| Molecular Weight | 329.39 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
Related Dimethoxyphenyl Standards
- (E)-3-(3,4-dimethoxyphenyl)-1,6-dimethyl-1,5,6,7-tetrahydro-4H-indazol-4-one O-methyl oxime (CAS 1024720-16-8)
- 6-(3,5-Dimethoxyphenyl)-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one (CAS 1628795-45-8)
- 2-(4-(3-(2,3-Dimethoxyphenyl)ureido)phenyl)acetamide (CAS 1251579-29-9)
- 3-(3,4-Dimethoxyphenyl)-6-(2-hydroxyethyl)-5-methylpyrazolo[1,5-a]pyrimidin-7(1H)-one (CAS 866144-63-0)
- N-(5-(2,5-Dimethoxyphenyl)-1,3,4-oxadiazol-2-yl)-1-methyl-1H-pyrazole-5-carboxamide (CAS 1170576-50-7)
- (4Z)-4-{[(2,4-dimethoxyphenyl)amino]methylidene}-1-methyl-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 320425-06-7)
- 3-(3,4-Dimethoxyphenyl)-4-iodo-1H-pyrazole (CAS 1708168-77-7)
- 2-(3,4-Dimethoxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one (CAS 3306-29-4)
Recommended Standards
- (2R,cis)-1,2-Bis(tert-butoxycarbonyl)piperidine-3-carboxylic acid (CAS 149880-80-8)
- (±)-Reticuline (CAS 1699-46-3)
- Boc-N-methyl-2-naphthylalanine (CAS 147577-61-5)
- 1699-60-1 2-[3,4-bis(phenylmethoxy)phenyl]acetonitrile 2-[3,4-bis(phenylmethoxy)phenyl]ethanenitrile A811154 (CAS 1699-60-1)
- 1-Methylpyrrole-3-carboxylic Acid (CAS 36929-61-0)
- 1-(2-Bromopyridin-4-yl)piperidin-2-one (CAS 1209458-39-8)
- 1-Allyl-4-(1-cinnamyl-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one (CAS 838873-55-5)
- 3-ethyl-[1,2]oxazolo[5,4-b]pyridine-5-sulfonamide (CAS 1803605-30-2)
- 1,1,3,3,5,5-Hexamethyltrisiloxane (CAS 1189-93-1)
- 4-Chloro-2-(phenylamino)benzoic acid (CAS 19218-88-3)
- 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with ethenylbenzene (CAS 36704-23-1)
- 1-Allyl-2-butoxy-3,5-difluorobenzene (CAS 1443348-68-2)
- Ethyl 4-methoxybicyclo[2.2.2]octane-1-carboxylate (CAS 96454-88-5)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
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