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Dear visitors:
Thank you for your support of molecularinfo.COM, the original intention of establishing this website is to facilitate me to search CAS number. Because we are always committed to promoting free access to information, molecularinfo.com does not advertise or charge for access. Originally thought it was just a small project. With the continuous increase of data (as of September 2022, more than 200000 pieces of CAS number data have been added to the site), the original small project began to consume more and more time and energy. Your appreciation and donation are the driving force for our support. We rely on the generosity of individuals like you to pay for the server and maintenance costs.
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