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1403620-68-7

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1403620-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1403620-68-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,6,2 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1403620-68:
(9*1)+(8*4)+(7*0)+(6*3)+(5*6)+(4*2)+(3*0)+(2*6)+(1*8)=117
117 % 10 = 7
So 1403620-68-7 is a valid CAS Registry Number.

1403620-68-7Relevant articles and documents

Trifluoromethylthiolation and Trifluoromethylselenolation of α-Diazo Esters Catalyzed by Copper

Matheis, Christian,Krause, Thilo,Bragoni, Valentina,Goossen, Lukas J.

, p. 12270 - 12273 (2016/08/24)

α-Diazo esters are smoothly converted into the corresponding trifluoromethyl thio- or selenoethers by reaction with Me4NSCF3or Me4NSeCF3, respectively, in the presence of catalytic amounts of copper thiocyanate. This straightforward method gives high yields under neutral conditions at room temperature and is applicable to a wide range of functionalized molecules, including diverse α-amino acid derivatives. It is well-suited for the late-stage introduction of trifluoromethylthio or -seleno groups into drug-like molecules.

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