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1258880-41-9

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1258880-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1258880-41-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,8,8 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1258880-41:
(9*1)+(8*2)+(7*5)+(6*8)+(5*8)+(4*8)+(3*0)+(2*4)+(1*1)=189
189 % 10 = 9
So 1258880-41-9 is a valid CAS Registry Number.

1258880-41-9Relevant articles and documents

Organocatalytic asymmetric sulfa-michael/michael addition reactions: A strategy for the synthesis of highly substituted chromans with a quaternary stereocenter

Wang, Xu-Fan,Hua, Qiu-Lin,Cheng, Ying,An, Xiao-Lei,Yang, Qing-Qing,Chen, Jia-Rong,Xiao, Wen-Jing

supporting information; experimental part, p. 8379 - 8383 (2010/12/25)

Simply complex: Diverse and structurally complex chroman derivatives with a quaternary stereocenter have been obtained through the titled reaction of thiols with nitroolefin enoates using the bifunctional catalyst 1. The reaction features simple experimental procedures, high yield, enantiomeric excess, and excellent diastereoselectivity.

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