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1334217-40-1

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1334217-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334217-40-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,2,1 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1334217-40:
(9*1)+(8*3)+(7*3)+(6*4)+(5*2)+(4*1)+(3*7)+(2*4)+(1*0)=121
121 % 10 = 1
So 1334217-40-1 is a valid CAS Registry Number.

1334217-40-1Downstream Products

1334217-40-1Relevant articles and documents

Copper-Catalyzed [4 + 1] Annulation between α-Hydroxy Ketones and Nitriles: An Approach to Highly Substituted 3(2H)-Furanones

He, Haitao,Qi, Chaorong,Hu, Xiaohan,Lu, Ouyang,Xiong, Wenfang,Jiang, Huanfeng

, p. 4957 - 4965 (2015/06/02)

A copper-catalyzed [4 + 1] annulation between α-hydroxy ketones and nitriles has been developed. The reaction provides a facile and efficient method for the construction of a wide range of highly substituted 3(2H)-furanones, a class of important compounds

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