3-Nitro-[2,3'-bipyridine]-4-carbonitrile CAS 878194-89-9
| CAS No. | 878194-89-9 |
| Molecular Formula | C11H6N4O2 |
| Molecular Weight | 226.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-Nitro-[2,3'-bipyridine]-4-carbonitrile is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 226.19 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.
3-Nitro-[2,3'-bipyridine]-4-carbonitrile (CAS 878194-89-9), molecular formula C11H6N4O2 and molecular weight 226.19 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.
As a certified reference material (CRM), 3-Nitro-[2,3'-bipyridine]-4-carbonitrile 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.
Physical & Chemical Properties
| Molecular Formula | C11H6N4O2 |
| Molecular Weight | 226.19 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- 2-Cyclohexyl-3,3,3-trifluoro-2-hydroxypropanoic acid (CAS 502607-34-3)
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- 4-(Pyrrolidin-3-yl)pyridine hydrochloride (CAS 869971-44-8)
- 4-Amino-9-fluoro-2,3,4,5-tetrahydrobenzo[b]oxepin-5-ol hydrochloride (CAS 1484681-73-3)
- 5-bromo-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1222174-93-7)
- 2-Chloro-4-(methylthio)pyrimidine-5-carboxylic acid (CAS 1198306-44-3)
- (2,7,8-Trimethyl-4-oxoquinazolin-3(4H)-yl)acetic acid (CAS 1322604-42-1)
- 4-Ethyl-2-methyloxazole-5-carboxylic acid (CAS 1564709-36-9)
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(4-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 573975-64-1)
- 4-Bromopyridine-3-boronic acid pinacol ester (CAS 2096334-82-4)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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