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1301638-17-4

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1301638-17-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1301638-17-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,1,6,3 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1301638-17:
(9*1)+(8*3)+(7*0)+(6*1)+(5*6)+(4*3)+(3*8)+(2*1)+(1*7)=114
114 % 10 = 4
So 1301638-17-4 is a valid CAS Registry Number.

1301638-17-4Downstream Products

1301638-17-4Relevant articles and documents

Asymmetric direct michael addition of acetophenone to α,β- unsaturated aldehydes

Li, Wenjun,Wu, Wenbin,Yang, Juanjuan,Liang, Xinmiao,Ye, Jinxing

experimental part, p. 1085 - 1091 (2011/05/14)

The asymmetric direct Michael addition of ,-unsaturated aldehydes with acetophenone catalyzed by a Jorgensen-Hayashi-catalyst in methanol was developed and the corresponding Michael products of -keto aldehydes could be afforded in up to 82% yield and 98% ee. Georg Thieme Verlag Stuttgart.

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