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1620193-44-3

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1620193-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620193-44-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,1,9 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1620193-44:
(9*1)+(8*6)+(7*2)+(6*0)+(5*1)+(4*9)+(3*3)+(2*4)+(1*4)=133
133 % 10 = 3
So 1620193-44-3 is a valid CAS Registry Number.

1620193-44-3Downstream Products

1620193-44-3Relevant articles and documents

Copper-/Silver-Mediated Arylation of C(sp2)-H Bonds with 2-Thiophenecarboxylic Acids

Zhao, Sheng,Liu, Yue-Jin,Yan, Sheng-Yi,Chen, Fa-Jie,Zhang, Zhuo-Zhuo,Shi, Bing-Feng

, p. 3338 - 3341 (2015)

A copper/silver-mediated arylation of (hetero)aryl C-H bonds with 2-thiophenecarboxylic acids has been achieved. The protocol features a broad substrate scope and high functional group tolerance. Preliminary mechanistic studies indicate that a cascade pro

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