ChemCheck is a free online search system launched by REACH24H Consulting Group. It enables you to check by entering CAS number or chemical name if your chemical substances are listed in the substance inventories of different countries and regions. You can also get comprehensive information about the hazard classification, compliance duties of businesses, etc. Founded in 2009, REACH24H is a consulting company specialized in providing one-stop global market access services to companies in the field of industrial chemicals, agrochemical, cosmetics, food, food contact materials and pharmaceuticals. With headquarters in Hangzhou, China, REACH24H has branches in the United States, Ireland, UK, South Korea and China's Taiwan, aiming to provide 24-hour global consulting services, including product notification and registration, regulatory information, news feeds, training, seminars and open courses, as well as Internet-based supply chain management software. For more information, please visit the website: https://www.reach24h.com/en/。