Methyl 5-cyano-2-methyl-6-(((3-phenylisoxazol-5-yl)methyl)amino)nicotinate CAS 338749-65-8
| CAS No. | 338749-65-8 |
| Molecular Formula | C19H16N4O3 |
| Molecular Weight | 348.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 5-cyano-2-methyl-6-(((3-phenylisoxazol-5-yl)methyl)amino)nicotinate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Methyl 5-cyano-2-methyl-6-(((3-phenylisoxazol-5-yl)methyl)amino)nicotinate (CAS 338749-65-8), molecular formula C19H16N4O3 and molecular weight 348.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 5-cyano-2-methyl-6-(((3-phenylisoxazol-5-yl)methyl)amino)nicotinate (C19H16N4O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 348.36 g/mol, it falls into the moderately-high-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.
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.
Physical & Chemical Properties
| Molecular Formula | C19H16N4O3 |
| Molecular Weight | 348.36 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- Ethyl 4-amino-2-thioxo-3-(3-(trifluoromethyl)phenyl)-2,3-dihydrothiazole-5-carboxylate (CAS 312922-28-4)
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- Ethyl 2-((4-(thiophen-2-yl)-6-(trifluoromethyl)pyrimidin-2-yl)thio)acetate (CAS 505054-22-8)
- PI 103 (CAS 371935-74-9)
- 5-Bromo-1-(m-tolyl)-1h-pyrazole-4-carboxylic acid (CAS 1399656-96-2)
- 6-[(E)-2-(4-Methoxyphenyl)ethenyl]-2-methyl-2,3-dihydropyridazin-3-one (CAS 83516-73-8)
- N-Butyl-N-(1,1-dioxidotetrahydrothiophen-3-yl)benzamide (CAS 898413-16-6)
- (2R,3R,4S,5R,6S)-3,4,5-Tris(benzyloxy)-2-((benzyloxy)methyl)-6-(phenylsulfinyl)tetrahydro-2H-pyran (CAS 117307-17-2)
- tert-Butyl 4-nitro-1H-indazole-1-carboxylate (CAS 801315-75-3)
- 2-Bromo-5-(bromomethyl)-3-methylthiophene (CAS 1462380-09-1)
- (5-Isopropylisoxazol-3-yl)methanol (CAS 123770-63-8)
- 3-Bromo-4-(4-methylpiperidin-1-yl)benzaldehyde (CAS 1698473-77-6)
- 3-[1-(3-chloro-4-methylphenyl)-2,5-dioxoimidazolidin-4-yl]propanoic acid (CAS 1192227-74-9)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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