2,3-Pyrazinedicarboxamide

The CAS register number of 2,3-Pyrazinedicarboxamide is 6164-78-9. It also can be called as 2,3-Dicarboxamidopyrazine and the IUPAC name about this chemical is pyrazine-2,3-dicarboxamide. The molecular formula about this chemical is C₆H₆N₄O₂ and the molecular weight is 166.14. It belongs to the following product categories which include Heterocyclic Compounds; Building Blocks; Heterocyclic Building Blocks; Pyrazines and so on. When you are using this chemical, avoid contact with skin and eyes. It is stable under normal temperature and pressure. If you want to store it, you should keep the container tightly sealed in dry, cool places and avoid contact with strong oxidizing chemicals.

Physical properties about 2,3-Pyrazinedicarboxamide are: (1)ACD/LogP: -1.45; (2)ACD/LogD (pH 5.5): -1.45; (3)ACD/LogD (pH 7.4): -1.45; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 3.88; (7)ACD/KOC (pH 7.4): 3.88; (8)#H bond acceptors: 6; (9)#H bond donors: 4; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 66.4 Å²; (12)Index of Refraction: 1.629; (13)Molar Refractivity: 40.29 cm³; (14)Molar Volume: 113.2 cm³; (15)Polarizability: 15.97x10^-24cm³; (16)Surface Tension: 85.4 dyne/cm; (17)Density: 1.466 g/cm³; (18)Flash Point: 259.3 °C; (19)Enthalpy of Vaporization: 77.47 kJ/mol; (20)Boiling Point: 505.1 °C at 760 mmHg; (21)Vapour Pressure: 2.51E-10 mmHg at 25 °C.

Preparation: this chemical can be prepared by pyrazine-2,3-dicarboxylic acid dimethyl ester. This reaction will need reagents of methanol, ammonia.

Uses of 2,3-Pyrazinedicarboxamide: it can be used to produce pyrrolo[3,4-b]pyrazine-5,7-dione. This reaction needs heating. The yield is about 65%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(c1nccnc1C(=O)N)N
(2)InChI: InChI=1/C6H6N4O2/c7-5(11)3-4(6(8)12)10-2-1-9-3/h1-2H,(H2,7,11)(H2,8,12)
(3)InChIKey: TZMYZOQDDVSLJU-UHFFFAOYAB
(4)Std. InChI: InChI=1S/C6H6N4O2/c7-5(11)3-4(6(8)12)10-2-1-9-3/h1-2H,(H2,7,11)(H2,8,12)
(5)Std. InChIKey: TZMYZOQDDVSLJU-UHFFFAOYSA-N