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207398-88-7

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207398-88-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 207398-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,3,9 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 207398-88:
(8*2)+(7*0)+(6*7)+(5*3)+(4*9)+(3*8)+(2*8)+(1*8)=157
157 % 10 = 7
So 207398-88-7 is a valid CAS Registry Number.

207398-88-7Relevant articles and documents

Efficient and convenient heterogeneous palladium-catalyzed regioselective deuteration at the benzylic position

Kurita, Takanori,Hattori, Kazuyuki,Seki, Saori,Mizumoto, Takuto,Aoki, Fumiyo,Yamada, Yuki,Ikawa, Kanoko,Maegawa, Tomohiro,Monguchi, Yasunari,Sajiki, Hironao

, p. 664 - 673 (2008/12/21)

The Pd/C-catalyzed efficient and regioselective hydrogen-deuterium (H-D) exchange reaction on the benzylic site proceeded in D2O in the presence of a small amount of H2 gas. The use of the Pd/C-ethylenediamine complex [Pd/C(en)] as a catalyst instead of Pd/C led to the efficient deuterium incorporation into the benzylic site of Obenzyl protective groups without hydrogenolysis. These H-D exchange reactions provide a post synthetic and D2-gas-free deuterium-labeling method on a wide variety of benzylic sites using D2O as the deuterium source and heterogeneous Pd/C or Pd/C(en) as a reusable heterogeneous palladium catalyst under mild and neutral conditions.

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