CAS Registry Services℠

CAS Reactions

The CAS reactions collection provides detailed and dependable data on more than 150 million single and multi-step reactions.

Contact us
Hexagon shaped overlay
3D rendering of interconnected blue molecules representing a chemical structure.

Features

More than 150 million single- and multi-step reactions published in journals, patents, dissertations, and other sources since 1840.

Covers organic and organometallic reactions. Total syntheses of natural products, and biotransformation reactions.

Scientist-curated and enhanced with yield data, detailed reaction conditions, defined substance roles, and experimental procedures.

Daily updates keep you current on the most recent discoveries.

Connections to relevant publications, substance properties, suppliers, and more within the CAS Content Collection™.

Searchable by structure, reaction role, functional group, reaction site, atom mapping, and more.

Latest from CAS Insights™

新興の科学分野

Improving animal health with gut microbiome therapeutics

We know the gut microbiome is vital for human health, and new breakthroughs are now reducing antibiotic resistance and improving overall health in animals.
|記事
消費財

Green chemistry: Six key trends to watch

Breakthroughs in solvents and manufacturing processes are driving advancements in green chemistry. Learn more about six important trends.
|記事
バイオテクノロジー

極限環境微生物:過酷な環境の生物がもたらす生物医学と産業のイノベーション

極限環境微生物は、地球上で最も過酷な環境下で生きる微生物です。そのユニークな能力が今、生物医学、環境浄化などにどのような変化をもたらしているのかをご覧ください。
|インサイトレポート