2-Aminoquinoxalin-5-ol CAS 659729-76-7
| CAS No. | 659729-76-7 |
| Molecular Formula | C8H7N3O |
| Molecular Weight | 161.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 161.16 g/mol gives 2-Aminoquinoxalin-5-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Aminoquinoxalin-5-ol (CAS 659729-76-7) is a high-purity analytical reference standard with the molecular formula C8H7N3O and a molecular weight of 161.16 g/mol.
2-Aminoquinoxalin-5-ol (C8H7N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C8H7N3O |
| Molecular Weight | 161.16 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.) | 1985 |
| Nitrogen Atoms | 3 |
Related Aminoquinoxalin Standards
- 5-Aminoquinoxalin-2(1H)-one (CAS 1002129-56-7)
- 2-Aminoquinoxalin-6-ol (CAS 321746-85-4)
- 3-Aminoquinoxalin-2(1H)-one (CAS 35015-91-9)
- 3-Aminoquinoxalin-5-ol (CAS 659729-72-3)
- 6-Aminoquinoxalin-2(1H)-one (CAS 69904-06-9)
- 6-Aminoquinoxalin-5-ol (CAS 745048-90-2)
- 7-Aminoquinoxalin-2(1H)-one (CAS 98555-00-1)
- 3-aminoquinoxalin-6-ol (CAS 1889176-87-7)
Recommended Standards
- 2-Aminoquinazolin-8-ol (CAS 659730-14-0)
- 2-Aminoquinazolin-6-ol (CAS 2656-52-2)
- 2-Formyl-5-methoxybenzonitrile (CAS 21962-47-0)
- 2-Amino-6-cyanobenzamide (CAS 606490-52-2)
- Ethyl 2,3-dimethoxybenzoate (CAS 91971-58-3)
- 2-Amino-4-(tert-butoxy)-2-methylbutan-1-ol (CAS 1341611-61-7)
- (2-fluoro-3-pyridyl)methanamine (CAS 205744-16-7)
- 7-Chloro-4-cyclopentylthiazolo[5,4-b]pyridin-5(4H)-one (CAS 1956366-48-5)
- (3S,4S)-3-Fluoropiperidin-4-amine (CAS 2055222-40-5)
- Ethyl (2-oxopiperidin-1-yl)acetate (CAS 22875-63-4)
- 4-Amino-7-((2R,5S)-5-(hydroxymethyl)-2,5-dihydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (CAS 115044-83-2)
- N1-cyclopropyl-N1-isopropyl-N2-(thietan-3-yl)ethane-1,2-diamine (CAS 1878399-12-2)
- Methyl 3-(2-{[2-(4-methylbenzamido)phenyl]sulfanyl}acetamido)thiophene-2-carboxylate (CAS 477887-60-8)
- Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4)
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