Ethyl (8-amino-2-methylpyrido[2,3-b]pyrazin-6-yl)carbamate CAS 6497-84-3
| CAS No. | 6497-84-3 |
| Molecular Formula | C11H12N5O2 |
| Molecular Weight | 246.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 246.25 g/mol gives Ethyl (8-amino-2-methylpyrido[2,3-b]pyrazin-6-yl)carbamate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl (8-amino-2-methylpyrido[2,3-b]pyrazin-6-yl)carbamate (CAS 6497-84-3) is a high-purity analytical reference standard with the molecular formula C11H12N5O2 and a molecular weight of 246.25 g/mol.
Structurally, Ethyl (8-amino-2-methylpyrido[2,3-b]pyrazin-6-yl)carbamate (C11H12N5O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.5, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 246.25 g/mol, it falls into the medium-molecular-weight range. 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).
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 | C11H12N5O2 |
| Molecular Weight | 246.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 5 |
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