1-(4-Methoxy-9H-pyrido[3,4-b]indol-1-yl)ethane-1,2-diol CAS 77369-99-4
| CAS No. | 77369-99-4 |
| Molecular Formula | C14H14N2O3 |
| Molecular Weight | 258.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(4-Methoxy-9H-pyrido[3,4-b]indol-1-yl)ethane-1,2-diol (CAS 77369-99-4), molecular formula C14H14N2O3 and molecular weight 258.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(4-Methoxy-9H-pyrido[3,4-b]indol-1-yl)ethane-1,2-diol (C14H14N2O3) contains a nitrogen-containing heterocyclic scaffold, 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 258.27 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 1-(4-Methoxy-9H-pyrido[3,4-b]indol-1-yl)ethane-1,2-diol 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 | C14H14N2O3 |
| Molecular Weight | 258.27 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 2 |
Related Methoxy Standards
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- 5-Methoxy-3-(4-methoxyphenyl)benzoic acid (CAS 1261939-24-5)
- 4-Methoxy-N-(4-nitrobenzyl)aniline (CAS 16035-87-3)
- 7-Methoxy-6-(3-methylbut-2-enoyl)-2H-chromen-2-one (CAS 16850-91-2)
- (4-Methoxy-6-methyl-2-phenyl-pyrimidin-5-yl)-acetic acid (CAS 331665-83-9)
- (E)-4-(7-Methoxy-2-oxo-2H-chromen-8-yl)-2-methylbut-2-enal (CAS 73292-92-9)
- 10-Methoxy-8,8-dimethyl-2H,8H-pyrano[3,2-g]chromen-2-one (CAS 483-92-1)
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Recommended Standards
- 1-(4-(Benzyloxy)-2,3-dihydroxyphenyl)ethanone (CAS 69114-99-4)
- 1-(4-Morpholinophenyl)-1H-pyrrole-2,5-dione (CAS 216774-38-8)
- 1-(4-(Benzo[d][1,3]dioxol-5-yl)-2,5-dimethylfuran-3-yl)ethanone (CAS 88484-91-7)
- 1-(5-Benzoyl-2-ethoxyfuran-3-yl)ethanone (CAS 61667-85-4)
- Di-tert-butyl (5-fluoro-2-nitrophenyl)iminodicarbonate (CAS 1352302-86-3)
- Antheraxanthin (CAS 68831-78-7)
- Gitogenin (CAS 511-96-6)
- 2-Cyclopropyl-1-(4,5-dimethoxy-2-methylphenyl)ethan-1-ol (CAS 1459143-15-7)
- (1-Methyl-1H-pyrrol-3-yl)(phenyl)methanone (CAS 62128-30-7)
- 4-Chloro-5-(difluoromethyl)-6-methoxynicotinic acid (CAS 1805405-29-1)
- Hydroxychloroquine EP Impurity F HCl (CAS CATO-C4X-183527)
- 4-[Acetyl[[2-(acetylamino)-1,4-dihydro-4-oxo-6-pteridinyl]methyl]amino]benzoic Acid (CAS 70844-36-9)
- 1-Methyl-2-(methylthio)-4,5-dihydro-1H-imidazole (CAS 52839-23-3)
- Atrial Natriuretic Polypeptide (4-28), human (CAS 95896-08-5)
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