3,5-Dimethylquinoxalin-2-ol CAS 874499-81-7
| CAS No. | 874499-81-7 |
| Molecular Formula | C10H10N2O |
| Molecular Weight | 174.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H10N2O, 3,5-Dimethylquinoxalin-2-ol contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 174.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 3,5-Dimethylquinoxalin-2-ol (CAS 874499-81-7), a certified reference material (molecular formula C10H10N2O, MW 174.20 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), 3,5-Dimethylquinoxalin-2-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 | C10H10N2O |
| Molecular Weight | 174.20 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.) | 1987 |
| Nitrogen Atoms | 2 |
Related Dimethylquinoxalin Standards
- 6,7-Dimethylquinoxalin-5-ol (CAS 1777862-99-3)
- 1,3-Dimethylquinoxalin-2(1h)-one (CAS 3149-25-5)
- 2,3-Dimethylquinoxalin-5-ol (CAS 56183-38-1)
- 2,3-Dimethylquinoxalin-6-ol (CAS 60729-20-6)
- 3,6-Dimethylquinoxalin-2(1H)-one (CAS 28082-84-0)
- 3,7-Dimethylquinoxalin-2(1H)-one (CAS 28082-85-1)
- 3,8-Dimethylquinoxalin-2-ol (CAS 874499-80-6)
- 6,7-Dimethylquinoxalin-2(1H)-one (CAS 28082-82-8)
Recommended Standards
- 3,5-Dimethyl-1H-isochromen-1-one (CAS 71568-82-6)
- 3,6-Dimethylchromone (CAS 57646-01-2)
- 3,4-Dihydronaphthalene-2-carboxylic acid (CAS 22440-38-6)
- 3,6-Dimethylpyrrolo[1,2-c]pyrimidine-7-carbaldehyde (CAS 57109-03-2)
- 1-Cyclopentyl-N-methylpyrrolidin-3-amine (CAS 503067-84-3)
- 3-Azabicyclo[4.2.1]nonan-4-one (CAS 24199-40-4)
- 2-(3-Chloro-2-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246545-93-5)
- 6-Bromo-3-(1-methyl-1H-pyrazol-4-yl)-5-(3R)-3-piperidinylpyrazolo[1,5-α]pyrimidin-7-amine (CAS 891494-63-6)
- (3R,4R,5R)-3-chloro-4-hydroxy-5-(hydroxymethyl)-3-methyldihydrofuran-2(3H)-one (CAS 1496551-64-4)
- Silver, [(2S)-2-(hydroxy-κO)propanoato-κO]- (CAS 80298-33-5)
- 6-methyl-1H-indazole-3-carboxylic acid (CAS 858227-12-0)
- 3-(N-Morpholino)propanesulfonic Acid-d15 (CAS 1219799-30-0)
- (4-(Benzylcarbamoyl)-3-chlorophenyl)boronic acid (CAS 850589-42-3)
- Semaglutide impurity 69 (CAS CATO-C4X-222669)
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