The 4(1H)-Pyrimidinone,6-chloro-2-methyl-5-nitro-, with the CAS registry number 82779-50-8, has the systematic name of 4-chloro-2-methyl-5-nitro-1H-pyrimidin-6-one. It is a kind of organics, and should be stored in the dry and cool environment. And the molecular formula of the chemical is C₅H₄ClN₃O₃.

The characteristics of 4(1H)-Pyrimidinone,6-chloro-2-methyl-5-nitro- are as followings: (1)ACD/LogP: 0.47; (2)# of Rule of 5 Violations: 0; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 4.369; (6)ACD/KOC (pH 7.4): 1; (7)#H bond acceptors: 6; (8)#H bond donors: 1; (9)#Freely Rotating Bonds: 1; (10)Polar Surface Area: 87.28 Å²; (11)Index of Refraction: 1.689; (12)Molar Refractivity: 40.07 cm³; (13)Molar Volume: 105.003 cm³; (14)Polarizability: 15.885×10^-24cm³; (15)Surface Tension: 70.791 dyne/cm; (16)Density: 1.805 g/cm³. 

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Cc1[nH]c(=O)c(c(n1)Cl)N(=O)=O
(2)InChI: InChI=1/C5H4ClN3O3/c1-2-7-4(6)3(9(11)12)5(10)8-2/h1H3,(H,7,8,10)
(3)InChIKey: JQKZPYLOKMRABP-UHFFFAOYAC