4-((6-Amino-2-methoxypyrimidin-4-yl)oxy)butanenitrile CAS 478920-91-1
| CAS No. | 478920-91-1 |
| Molecular Formula | C9H12N4O2 |
| Molecular Weight | 208.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-((6-Amino-2-methoxypyrimidin-4-yl)oxy)butanenitrile (C9H12N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 208.22 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-((6-Amino-2-methoxypyrimidin-4-yl)oxy)butanenitrile (CAS 478920-91-1), molecular formula C9H12N4O2 and molecular weight 208.22 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.
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 | C9H12N4O2 |
| Molecular Weight | 208.22 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Amino Standards
- ethyl 5-amino-1-(2-cyanoethyl)-1H-pyrazole-4-carboxylate (CAS 1007513-67-8)
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- 4-(5-Amino-3-methyl-2,6-dioxo-3,6-dihydropyrimidin-1(2h)-yl)butanenitrile (CAS 1343277-91-7)
- 2-Amino-N-methyl-N-(2-oxo-2-(pyrazin-2-yl)ethyl)acetamide (CAS 1353948-43-2)
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Recommended Standards
- 3-Phenylpyrido[3,4-e][1,2,4]triazine (CAS 40848-48-4)
- 4-(6-Formylpyridin-2-yl)benzonitrile (CAS 834884-79-6)
- 3-Hydroxypyrido[1,2-a]indole-10-carbonitrile (CAS 339106-98-8)
- 4-(Pyrimidin-5-ylethynyl)benzaldehyde (CAS 936940-81-7)
- 4-(2-Hydrazinylpyrimidin-4-yl)thiomorpholine (CAS 1242011-54-6)
- 6-Oxo-6,7-dihydro-5H-pyridazino[3,4-b][1,4]oxazine-3-carbaldehyde (CAS 1003947-30-5)
- Ethyl 2-((1S,3R)-3-((tert-butoxycarbonyl)amino)-1-hydroxy-4-methylpentyl)thiazole-4-carboxylate (CAS 1427513-81-2)
- Potassium 2,2'-((carboxymethyl)azanediyl)diacetate (CAS 2399-86-2)
- 2-(1-Acetylpiperidin-2-yl)ethane-1-sulfonyl chloride (CAS 1248685-78-0)
- 2-Bromo-1-(1-methylcyclopentyl)ethan-1-one (CAS 42253-38-3)
- 5-(2-Fluoro-4-nitrophenyl)-2H-tetrazole (CAS 1171930-23-6)
- Methyl (S)-2-amino-3-(2,6-difluorophenyl)propanoate (CAS 1192057-28-5)
- Methyl 2-(azetidin-3-ylsulfonyl)acetate (CAS 1073555-74-4)
- Semaglutide Impurity 82 (CAS CATO-C4X-222682)
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