Why is the latest edition of C&EN’s Global Top 50 chemical firms being published earlier than in past years?

According to the news, the latest edition of C&EN’s Global Top 50 chemical firms is being published a few weeks earlier than in past years 'owing to changes to C&EN’s production schedule.'

How long does it take to compile the C&EN Global Top 50 chemical firms list, and what does the final stage involve?

The effort to compile the C&EN Global Top 50 chemical firms list takes about 2 months total, with the last 2 weeks described as 'a blitz of double- and triple-checking, and editing.'

Business Watch: Anthropic Launches Claude Science; AstraZeneca Links with CSPC Again

Jul 7, 2026

C&EN releases its annual Global Top 50 chemical firms ranking ahead of schedule, alongside coverage of Anthropic's new science tool and AstraZeneca's renewed collaboration with CSPC.

cen

2026-07-07

Business Watch: Anthropic Launches Claude Science; AstraZeneca Links with CSPC Again

Business Watch: Anthropic Launches Claude Science; AstraZeneca Links with CSPC Again

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