CAS Registry Services | 合法藥品大搜索

Search for Species Data by CAS Registry Number · Enter a registry number (e.g., 74-82-8): · Select the desired units for thermodynamic data: SI calorie-based ... Read More

Quickly confirm chemical names, CAS Registry Numbers®, structures or basic physical properties by searching compounds of general interest or leveraging an ... Read More

A CAS Registry Number is a unique and unambiguous identifier for a specific substance that allows clear communication and, with the help of CAS scientists, ... Read More

What is a CAS Registry Number? How is it assigned? What does the format mean? ... Where can I find CAS REGISTRY Numbers? Find CAS Registry Numbers in:. Read More

A CAS Registry Number is a unique and unambiguous identifier for a specific substance that allows clear communication and, with the help of CAS scientists, ... Read More

CAS provides authoritative chemistry content, curated by Ph.D. scientists from around the world. CAS content covers all disclosed chemistry and related ... Read More

Search functionality and an application programming interface (API) enable interested individuals to quickly find chemical names, CAS Registry Numbers®, ... Read More

CAS provides products and services that help empower scientific discoveries. Learn how CAS can facilitate your research and drive innovation. Read More

Nomenclature and Registration. Get complete and reliable substance data. Request a new CAS Registry Number or match your chemical name or CAS Registry Numbers ... Read More