3-Ethylpyrazine-2-carboxamide CAS 104893-53-0
| CAS No. | 104893-53-0 |
| Molecular Formula | C7H9N3O |
| Molecular Weight | 151.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H9N3O, 3-Ethylpyrazine-2-carboxamide contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 151.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
3-Ethylpyrazine-2-carboxamide (CAS 104893-53-0), molecular formula C7H9N3O and molecular weight 151.17 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 3-Ethylpyrazine-2-carboxamide 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 | C7H9N3O |
| Molecular Weight | 151.17 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 3 |
Related Ethylpyrazine Standards
- 5-Ethylpyrazine-2-carboxamide (CAS 13535-08-5)
- 6-Ethylpyrazine-2-carboxamide (CAS 13535-11-0)
- N-ethylpyrazine-2-carboxamide (CAS 74416-46-9)
- 6-Ethylpyrazine-2-carboxylic acid (CAS 13515-09-8)
- 5-Ethylpyrazine-2-carboxylic Acid (CAS 13534-75-3)
- N3-ethylpyrazine-2,3-diamine (CAS 912773-15-0)
- 2-Ethylpyrazine (CAS 13925-00-3)
Recommended Standards
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