SEARCH BY CHEMICAL COMPOUND NAME, SMILES, INCHI OR CAS REGISTRY NUMBER® (CAS RN®)
eg. aspirin, sodium chloride, 58-08-2, O=C(O)C(N)C
CAS Common Chemistry is provided under the Creative Commons CC BY-NC 4.0 license. By using CAS Common Chemistry, you agree to the terms and conditions of this license.
CAS Common Chemistry is an open community resource for accessing chemical information. Nearly 500,000 chemical substances from CAS REGISTRY® cover areas of community interest, including common and frequently regulated chemicals, and those relevant to high school and undergraduate chemistry classes. This chemical information, curated by our expert scientists, is provided in alignment with our mission as a division of the American Chemical Society.
Full access to the CAS content collection of more than 165 million substances is available through custom data and analytics solutions or in CAS products such as CAS SciFinder and CAS STNext®. For more information, contact CAS.