This study aimed to produce chemical module vocational integrated the valid. The form of this research was research and development (R & D) that adapted from the Four D (4D) model (Define, Design, Develop, and Disseminate) and it is limited reached the stage validation. Instrument used is sheets validation matter. Source of data obtained from chemistry lectures at postgraduate UNNES and chemistry teacher at SMKN 8 Semarang. Data were collected from the validity criteria, criteria matter, and grammar. The validation module in the criteria receive is 3,74, matter on criteria of 3,69, and on grammatical of 3,78. Design based on the validity of the chemical module integrated vocational used because valid.