Methyl 3-amino-5-ethylpyrazine-2-carboxylate CAS 20040-96-4
| CAS No. | 20040-96-4 |
| Molecular Formula | C8H11N3O2 |
| Molecular Weight | 181.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-amino-5-ethylpyrazine-2-carboxylate (C8H11N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Methyl 3-amino-5-ethylpyrazine-2-carboxylate (CAS 20040-96-4), molecular formula C8H11N3O2 and molecular weight 181.19 g/mol, is a CATO reference standard with documented purity and traceability.
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 Methyl 3-amino-5-ethylpyrazine-2-carboxylate 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 | C8H11N3O2 |
| Molecular Weight | 181.19 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, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- Methyl 3-amino-5-(hydroxymethyl)benzoate (CAS 220286-47-5)
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- Methyl 3-formyl-4,5-dimethyl-1H-pyrrole-2-carboxylate (CAS 33317-04-3)
- 1-(Boc-Amino)-2-Propanol, 97% (CAS 95656-86-3)
- Thiocyanic acidpiperidine (CAS 22205-64-7)
- 6-Chloro-2-(3-propoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160263-42-2)
- 3-Hydroxy-2-(1-((6-methoxypyridin-3-yl)imino)ethyl)-1H-inden-1-one (CAS 946387-09-3)
- 2-(Difluoromethyl)-6-hydroxy-5-(trifluoromethyl)pyridine-3-carboxaldehyde (CAS 1805540-04-8)
- 2-AMINO-2-(1H-INDOL-5-YL)ACETIC ACID (CAS 108763-43-5)
- Benzenepropanal, .alpha.,4-dimethyl- (CAS 41496-43-9)
- N-(1,3-Dichloro-9-oxo-9H-fluoren-2-yl)acetamide (CAS 93944-43-5)
- 2-Chloroacridin-9(10H)-one (CAS 7497-52-1)
- Cholecystokinin Octapeptide (desulfated) (CAS 25679-24-7)
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