Diazepam is a psychotropical drug which is commonly abused. Diazepam have hypno-sedative, anti-convulsive and anti-insomnia effects. Psychtropic abuse is a law violation, and it can be proved by using immunoassay studies followed by confirmation methods. This study is aimed to determine the presence of diazepam in urine using Right Sign cassette rapid test on samples stored at a 250C temparatur…