8-Amino-7-methylquinoxalin-5-ol CAS 90564-84-4
| CAS No. | 90564-84-4 |
| Molecular Formula | C9H9N3O |
| Molecular Weight | 175.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 8-Amino-7-methylquinoxalin-5-ol (C9H9N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 175.19 g/mol, it falls into the medium-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.
CATO supplies 8-Amino-7-methylquinoxalin-5-ol (CAS 90564-84-4), a certified reference material (molecular formula C9H9N3O, MW 175.19 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), 8-Amino-7-methylquinoxalin-5-ol 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 | C9H9N3O |
| Molecular Weight | 175.19 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 DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 7-Methylimidazo[1,2-a]pyridine-3-carboxamide (CAS 21801-90-1)
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- 8-Methoxy-4-quinazolinamine (CAS 857202-89-2)
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- 1-(3-(Perfluoropropyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl)ethan-1-one (CAS 808764-38-7)
- 3-Chloro-2-fluoropyridine (CAS 1480-64-4)
- (E)-2,3-Dibromo-2-butenedioic acid (CAS 608-38-8)
- Ethyl 5-amino-4-bromo-1-(sec-butyl)-1H-pyrazole-3-carboxylate (CAS 1427013-82-8)
- 1H-Benzimidazole-6-acetic acid, hydrochloride (1:1) (CAS 62468-12-6)
- 3-Oxo-3,4-dihydrospiro[benzo[b][1,4]oxazine-2,1'-cyclopropane]-6-carboxylic acid (CAS 2765502-85-8)
- Ephrin-A2-Selective YSA-Peptide (CAS 532441-10-4)
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