5,6-Diphenyl-2,3-dihydropyrazine CAS 1489-06-1
| CAS No. | 1489-06-1 |
| Molecular Formula | C16H14N2 |
| Molecular Weight | 234.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5,6-Diphenyl-2,3-dihydropyrazine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5,6-Diphenyl-2,3-dihydropyrazine (CAS 1489-06-1) is a high-purity analytical reference standard with the molecular formula C16H14N2 and a molecular weight of 234.30 g/mol.
Based on its molecular formula C16H14N2, 5,6-Diphenyl-2,3-dihydropyrazine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 234.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 5,6-Diphenyl-2,3-dihydropyrazine 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 | C16H14N2 |
| Molecular Weight | 234.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Diphenyl Standards
- 1-Methyl-3,5-diphenyl-1H-pyrazole (CAS 19311-79-6)
- 3-Methyl-1,5-diphenyl-1H-pyrazole (CAS 3729-90-6)
- 4-Methyl-2,5-diphenyl-1H-imidazole (CAS 2654-31-1)
- 4-Methyl-3,5-diphenyl-4H-pyrazole (CAS 61355-12-2)
- 5-Methyl-1,3-diphenyl-1H-pyrazole (CAS 7188-89-8)
- 3,6-Diphenyl-1,2,4,5-tetrazine (CAS 6830-78-0)
- Diphenyl Phosphite (CAS 4712-55-4)
- 1,4-diphenyl-1H-pyrazol-5-amine (CAS 108719-40-0)
Recommended Standards
- (4-(Isoquinolin-4-yl)phenyl)methanamine (CAS 1484841-44-2)
- 4-(5,6,7,8-Tetrahydroquinolin-2-yl)benzonitrile (CAS 151129-10-1)
- 5-Benzhydryl-1H-pyrazole (CAS 143547-74-4)
- Cis-1-methyldecahydroquinoline (CAS 16726-25-3)
- (5-Benzenesulfonyl-2-phenyl-3H-imidazol-4-ylsulfanyl)-acetic acid (CAS 1171935-29-7)
- 31432-55-0 Acetonitrile-1-13C Methyl cyanide-13C (CAS 31432-55-0)
- 2-Bromo-9,10-phenanthrenequinone (CAS 53622-33-6)
- 3H-Indolium, 2-[2-[4-(diethylamino)phenyl]ethenyl]-1,3,3-trimethyl-, chloride (1:1) (CAS 6359-45-1)
- 2-(1H-1,3-Benzodiazol-2-yl)-4-chloro-5-(morpholin-4-yl)-2,3-dihydropyridazin-3-one (CAS 565192-21-4)
- N-methoxy-N,1-dimethyl-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 1822747-95-4)
- 2-(2-Methoxyphenyl)-1,3,2-dioxaborinane (CAS 141522-26-1)
- 4-((4-Fluorobenzyl)oxy)-7-(trifluoromethyl)quinoline (CAS 329700-98-3)
- 1-Ethyl-N-isobutyl-4-nitro-1H-pyrazol-3-amine (CAS 1429418-05-2)
- Atrial Natriuretic Polypeptide (4-28), human (CAS 95896-08-5)
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