3-Ethyl-2-methylquinoxalin-5-amine CAS 126987-75-5
| CAS No. | 126987-75-5 |
| Molecular Formula | C11H13N3 |
| Molecular Weight | 187.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Ethyl-2-methylquinoxalin-5-amine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Ethyl-2-methylquinoxalin-5-amine (CAS 126987-75-5), molecular formula C11H13N3 and molecular weight 187.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Ethyl-2-methylquinoxalin-5-amine (C11H13N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. 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 187.24 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 3-Ethyl-2-methylquinoxalin-5-amine 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 | C11H13N3 |
| Molecular Weight | 187.24 g/mol |
| 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.) | 1993 |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- 2-(3-Methylquinoxalin-2-yl)ethan-1-amine (CAS 1050884-05-3)
- 2-Ethyl-3-methylquinoxalin-5-amine (CAS 126987-99-3)
- 1-(3-Methylquinoxalin-2-yl)ethan-1-ol (CAS 104217-24-5)
- 1-Ethyl-3-methylquinoxalin-2(1H)-one (CAS 73148-14-8)
- 1-(3-Methylquinoxalin-2-yl)ethanone (CAS 22059-64-9)
- 2-(3-Methylquinoxalin-2-yl)acetonitrile (CAS 91093-26-4)
- N-(3-Methylquinoxalin-2-yl)hydroxylamine (CAS 23468-79-3)
- (3-Methylquinoxalin-2-yl)methanol (CAS 7044-17-9)
Recommended Standards
- Tert-butyl morpholine-3-carboxylate (CAS 1269603-06-6)
- (1-Cyclopropyl-1h-benzo[d]imidazol-5-yl)methanamine (CAS 1266789-96-1)
- 1-Benzofuran-2-yl(cyclopropyl)methanamine (CAS 1270427-41-2)
- 1-Methyl-3-(p-tolyl)-1H-pyrazol-5-amine (CAS 126417-86-5)
- 1-Bromo-2-(2-bromo-1-(tert-butoxy)ethyl)benzene (CAS 1251226-71-7)
- 1H-Indole-3-carbaldehyde(3,7-dimethyl-2-quinolinyl)hydrazone (CAS 364361-68-2)
- N-Nitrosodiisopropylamine-d14 (CAS CATO-CWLT600757)
- Boc-4-Abu-ol (CAS 75178-87-9)
- (S)-4-(Pyrrolidin-3-yloxy)aniline (CAS 219132-64-6)
- 4-(1-Ethyl-1h-imidazol-2-yl)butan-2-ol (CAS 1343179-83-8)
- Limaprost Impurity 21 (CAS CATO-C4X-214521)
- 3-Methyl-2-chloro-3H-imidazo[4,5-f]quinoline (CAS 161087-48-5)
- 4-(tert-Butyl)-6-chloropyrimidin-2-amine (CAS 199863-81-5)
- Tirzepatide Impurity 59 (CAS CATO-C4X-324059)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com