3-Nitrophthalonitrile 3-Nitro-1,2-benzenedicarbonitrile 1,2-Dicyano-3-nitrobenzene 2,3-Dicyanonitrobenzene 3-Nitro-1,2-dicyanobenzene 3-Nitro-o-benzene dinitrile 51762-67-5 CAS 51762-67-5
| CAS No. | 51762-67-5 |
| Molecular Formula | C8H9N3O2 |
| Molecular Weight | 179.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Nitrophthalonitrile 3-Nitro-1,2-benzenedicarbonitrile 1,2-Dicyano-3-nitrobenzene 2,3-Dicyanonitrobenzene 3-Nitro-1,2-dicyanobenzene 3-Nitro-o-benzene dinitrile 51762-67-5 (CAS 51762-67-5) is a high-purity analytical reference standard with the molecular formula C8H9N3O2 and a molecular weight of 179.18 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-Nitrophthalonitrile 3-Nitro-1,2-benzenedicarbonitrile 1,2-Dicyano-3-nitrobenzene 2,3-Dicyanonitrobenzene 3-Nitro-1,2-dicyanobenzene 3-Nitro-o-benzene dinitrile 51762-67-5 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 179.18 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.
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-Nitrophthalonitrile 3-Nitro-1,2-benzenedicarbonitrile 1,2-Dicyano-3-nitrobenzene 2,3-Dicyanonitrobenzene 3-Nitro-1,2-dicyanobenzene 3-Nitro-o-benzene dinitrile 51762-67-5 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 | C8H9N3O2 |
| Molecular Weight | 179.18 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.) | 1971 |
| Nitrogen Atoms | 3 |
Related Nitrophthalonitrile Standards
Recommended Standards
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- 4-Methyl-N-(p-tolylcarbamoyl)benzamide (CAS 13541-38-3)
- Ethyl 2-chloro-5-methylquinoline-4-carboxylate (CAS 1617517-85-7)
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- 5-((3,4-Dichlorophenyl)amino)-5-oxopentanoic acid (CAS 157101-38-7)
- 2-((Pentylamino)methyl)phenol (CAS 76128-88-6)
- 3-(4-Hydroxy-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)propanoic acid (CAS 109164-47-8)
- 2-(2,3-dihydro-1H-inden-5-yl)ethan-1-ol (CAS 41712-41-8)
- 4-Amino-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)benzamide (CAS 861099-78-7)
- 2,4,6-Tris(4-chlorophenyl)-1,3,5-triazine (CAS 3114-54-3)
- Semaglutide (CAS 910463-68-2（free base）)
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