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1426679-86-8

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1426679-86-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1426679-86-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,6,6,7 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1426679-86:
(9*1)+(8*4)+(7*2)+(6*6)+(5*6)+(4*7)+(3*9)+(2*8)+(1*6)=198
198 % 10 = 8
So 1426679-86-8 is a valid CAS Registry Number.

1426679-86-8Relevant articles and documents

Ru-catalyzed asymmetric hydrogenation of δ-keto Weinreb amides: Enantioselective synthesis of (+)-Centrolobine

Zhao, Mengmeng,Lu, Bin,Ding, Guangni,Ren, Kai,Xie, Xiaomin,Zhang, Zhaoguo

, p. 2723 - 2730 (2016)

An efficient asymmetric hydrogenation of δ-keto Weinreb amides catalyzed by a Ru-Xyl-SunPhos-Daipen bifunctional catalyst has been achieved. This method afforded a series of enantio-enriched δ-hydroxy Weinreb amides in good yields (up to 93%) and enantioselectivities (up to 99%). This protocol was successfully applied to the synthesis of the key intermediate of (+)-Centrolobine.

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