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1308381-98-7

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1308381-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1308381-98-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,8,3,8 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1308381-98:
(9*1)+(8*3)+(7*0)+(6*8)+(5*3)+(4*8)+(3*1)+(2*9)+(1*8)=157
157 % 10 = 7
So 1308381-98-7 is a valid CAS Registry Number.

1308381-98-7Relevant articles and documents

Total syntheses of 9-epoxyfalcarindiol and its diastereomer

Zhou, Yun,Huang, Yanli,Li, Shuoning,Yang, Pengfei,Zhong, Jiangchun,Yin, Jingwei,Ji, Kaijie,Yang, Yanqing,Ye, Ning,Wang, Lifeng,Wang, Mingan,Wang, Min,Bian, Qinghua

, p. 288 - 295 (2017/02/18)

The first total syntheses of 9-epoxyfalcarindiol 1a and its diastereomer 1b have been achieved. Central to our approach were the Zn-cyclopropane-based amino alcohol catalyzed enantioselective alkynylation of acrolein, the diastereoselective addition of a diynic ester to an epoxy aldehyde, and the asymmetric Sharpless epoxidation of allylic alcohol catalyzed with L-(+)-diethyl tartrate and Ti(OiPr)4.

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