2-Ethoxy-5-nitropyridine-3-carbonitrile CAS 265664-09-3
| CAS No. | 265664-09-3 |
| Molecular Formula | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Ethoxy-5-nitropyridine-3-carbonitrile (CAS 265664-09-3) is a high-purity analytical reference standard with the molecular formula C8H7N3O3 and a molecular weight of 193.16 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 2-Ethoxy-5-nitropyridine-3-carbonitrile is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 193.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 2-Ethoxy-5-nitropyridine-3-carbonitrile 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 | C8H7N3O3 |
| Molecular Weight | 193.16 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 2-Amino-7-methylpteridine-4,6-diol (CAS 492-10-4)
- 2-Formyl-6-methyl-6H-furo[2,3-b]pyrrole-5-carboxylic acid (CAS 263010-24-8)
- 2-Amino-6-methyl-4,7-pteridinediol (CAS 712-38-9)
- 2-Hydrazinyl-3-nitroimidazo[1,2-a]pyridine (CAS 62194-97-2)
- 4-(4-Ethoxyphenoxymethyl)benzohydrazide (CAS 380170-20-7)
- 3-Bromo-5-(trifluoromethoxy)pyridin-2-ol (CAS 1361837-97-9)
- 5,7-Dinitro-1H-indazole-3-carboxylic acid (CAS 1167055-79-9)
- 2-Bromo-4-cyclopropoxy-6-ethylpyridine (CAS 1243361-40-1)
- 5-(4-Methoxyphenyl)-N-methylthiophene-2-carboxamide (CAS 344263-89-4)
- Methyl 3-amino-6-fluoropyrazine-2-carboxylate (CAS 356783-41-0)
- 2-Hydroxy-7-methoxy-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 17359-53-4)
- Boc-L-octahydroindole-2-carboxylic acid (CAS 109523-13-9)
- 2-(2,6-Diethoxyphenyl)-3-(diphenylphosphino)-1-methyl-1H-indole (CAS 2762941-75-1)
- Atrial Natriuretic Polypeptide (4-28), human (CAS 95896-08-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com