Can you open cen.acs.org/index.html from mainland China?
Yes.
No recent testsVerdict from 2026-04-05 · 4 mo ago
As of the last test on 2026-04-05 — 4 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
2019first tested
4 mo agolast tested
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Frequently asked questions
Is cen.acs.org/index.html blocked in mainland China right now?
We haven't tested cen.acs.org/index.html in the last 90 days. As of the last test on 2026-04-05 (4 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
http://cen.acs.org/index.html · JSON