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163455-27-4

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163455-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 163455-27-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,4,5 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 163455-27:
(8*1)+(7*6)+(6*3)+(5*4)+(4*5)+(3*5)+(2*2)+(1*7)=134
134 % 10 = 4
So 163455-27-4 is a valid CAS Registry Number.

163455-27-4Downstream Products

163455-27-4Relevant articles and documents

A chiral benzoylthiourea-pyrrolidine catalyst for the highly enantioselective Michael addition of ketones to chalcones

Ban, Shu-Rong,Zhu, Xi-Xia,Zhang, Zhi-Ping,Li, Qing-Shan

supporting information, p. 2517 - 2520 (2014/05/20)

A benzoylthiourea-pyrrolidine catalyst was developed for the asymmetric Michael addition of ketones to chalcones. The corresponding products were obtained in high yields with high level of diastereoselectivities (up to 99:1 dr) and high level of enantioselectivities (up to 94% ee) under mild conditions.

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