title: Ethyl 5-amino-3-methyl-sulfan-yl-1H-pyrazole-4-carboxyl-ate.
abstract: In the title compound, C(7)H(11)N(3)O(2)S, bond lengths and angles are within normal ranges. The crystal packing is stabilized by inter-molecular N-H⋯O hydrogen bonds, linking the mol-ecules into infinite one-dimensional chains along the a axis.
authors.affiliation: School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Li
authors.forename: Teng-Fei
authors.initials: TF
authors.lastname: Shao
authors.forename: Jian-Wu
authors.initials: JW
authors.lastname: Wang