5-methoxy-1H-indol-2-ol CAS 1032268-22-6
| CAS No. | 1032268-22-6 |
| Molecular Formula | C9H9NO2 |
| Molecular Weight | 163.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H9NO2, 5-methoxy-1H-indol-2-ol contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 163.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
5-methoxy-1H-indol-2-ol (CAS 1032268-22-6), molecular formula C9H9NO2 and molecular weight 163.17 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 5-methoxy-1H-indol-2-ol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H9NO2 |
| Molecular Weight | 163.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
Related methoxy Standards
- 7-Methoxy-1H-indol-5-ol (CAS 1167056-30-5)
- 2-Methoxy-6,7-dihydro-5H-cyclopenta[b]pyridin-5-one (CAS 1196154-17-2)
- 7-Methoxy-1H-indol-6-ol (CAS 123229-76-5)
- 4-Methoxy-3-methylbenzo[d]isoxazole (CAS 1394900-05-0)
- 5-Methoxy-3-methylbenzo[d]isoxazole (CAS 145508-90-3)
- 7-Methoxy-3-methylbenzo[d]isoxazole (CAS 145508-91-4)
- 7-Methoxy-1H-indol-4-ol (CAS 146099-11-8)
- 1-Methoxy-1H-indol-4-ol (CAS 877470-37-6)
Recommended Standards
- (Z)-4-Hydroxy-4-(pyridin-2-yl)but-3-en-2-one (CAS 1031694-63-9)
- 7-Hydroxy-2-methylisoindolin-1-one (CAS 1033809-93-6)
- 2-(Benzylideneamino)acetic acid (CAS 103084-31-7)
- β--Fucopyranosylamine (CAS 103419-79-0)
- Ethyl 5-[4-(trifluoromethyl)phenylthio]-1,2,3-thiadiazole-4-carboxylate (CAS 338982-06-2)
- 7,8-Dihydro-2H-pyrano[4,3-c]pyridazin-3(5H)-one (CAS 1075260-60-4)
- 2-(Tert-butoxycarbonyl)octahydro-2h-pyrido[1,2-a]pyrazine-7-carboxylic acid (CAS 1049677-42-0)
- 1,4-Difluoro-2-(methoxymethoxy)benzene (CAS 749230-16-8)
- 32813-52-8 N,N-diethyl-2-isothiocyanatoethanamine DTXSID90378205 (CAS 32813-52-8)
- 2-(4-((2-Methylbutyl)amino)phenyl)ethan-1-ol (CAS 1249386-48-8)
- 1,2,3,4-Tetrahydro-2-methyl-1,3-dioxoisoquinoline (CAS 4494-53-5)
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- Methyl 2-(4-bromo-2-cyano-5-methoxyphenyl)acetate (CAS 1805487-08-4)
- Osteoblast Activating Peptide (mouse, rat) (H-7262.0500) (CAS 1222950-80-2)
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