6-Methoxy-1-(3-methoxyphenyl)-1H,2H,3H,4H,9H-pyrido[3,4-b]indole CAS 528816-63-9
| CAS No. | 528816-63-9 |
| Molecular Formula | C19H20N2O2 |
| Molecular Weight | 308.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
6-Methoxy-1-(3-methoxyphenyl)-1H,2H,3H,4H,9H-pyrido[3,4-b]indole (CAS 528816-63-9), molecular formula C19H20N2O2 and molecular weight 308.37 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 6-Methoxy-1-(3-methoxyphenyl)-1H,2H,3H,4H,9H-pyrido[3,4-b]indole (C19H20N2O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C19H20N2O2 |
| Molecular Weight | 308.37 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 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.) | 1984 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 6-Hydroxyhexanal (CAS 34067-76-0)
- 6-(Acridin-9-ylamino)hexanoic acid (CAS 75572-57-5)
- 6-Nitrobenzo[a]pyrene-d11 (CAS 352431-12-0)
- 5-Isopropoxy-2-(5-methyl-4-phenyl-1H-pyrazol-3-yl)phenol (CAS 394237-92-4)
- N-(3-(2-Oxopropyl)pyridin-4-yl)pivalamide (CAS 113975-36-3)
- 5-(2-Aminoethoxy)-1H-benzo[d]imidazol-2(3H)-one (CAS 380198-43-6)
- 4-Bromo-2-(trifluoromethyl)pyridine hydrochloride (CAS 1186195-53-8)
- 4-Bromo-2-cyclopentylphenol (CAS 55910-44-6)
- trans,trans-4'-(3-Butenyl)-4-(p-tolyl)bicyclohexyl (CAS 129738-42-7)
- Sitagliptin Impurity 97 (CAS 1391437-27-6)
- 3-(Methylsulfonyl)pyridin-2(1H)-one (CAS 1254730-41-0)
- Celecoxib Impurity 78 (CAS CATO-C4X-104378)
- 1,1-Diethoxy-3-iodopropane (CAS 58871-25-3)
- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
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