Already have an ACS ID? Log in
Renew your membership, and continue to enjoy these benefits.
Already an ACS Member? Log in here
Choose the membership that is right for you. Discount will be applied automatically at checkout.
Enjoy these benefits no matter which membership you pick.
Dec. 2, 2013, page 32: An article about wrinkle-free cotton incorrectly showed the structure of cellulose chains cross-linked by DMDHEU (red). The corrected structure is shown.
Dec. 9, 2013, page 32: “Analyzing Cannabis” incorrectly stated that Iron Labs is the only marijuana testing laboratory in Michigan. There are multiple marijuana testing labs in that state.
The article on Carl Djerassi is a jewel—so insightful (C&EN, Oct. 21, 2013, page 10). Thank you.
This article has been sent to the following recipient: