Decoded Korea

If you handle chemical compliance for products entering Korea, the question is rarely "is this chemical dangerous." It is "how does Korea classify it, is it registered, and does it carry a GHS label requirement." Those answers live in K-REACH — Korea's Act on Registration and Evaluation of Chemical Substances — and in the GHS classifications maintained alongside it. The K-REACH Chemical Substance API exposes 47,517 registered substances, each with nine regulatory flags, plus GHS hazard data, through a single JSON interface. Like our cosmetics API, the data is Korean in origin, but the fields a chemical compliance workflow uses — CAS number, English name, the hazard flags, GHS pictogram codes, UN numbers — come back in English or in international standard form. A non-Korean-speaking analyst can run the whole thing. This post walks through five real queries and what each one answers. The nine flags Every substance in the database carries nine boolean regulato...