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1019995-83-5

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1019995-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1019995-83-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,9,9 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1019995-83:
(9*1)+(8*0)+(7*1)+(6*9)+(5*9)+(4*9)+(3*5)+(2*8)+(1*3)=185
185 % 10 = 5
So 1019995-83-5 is a valid CAS Registry Number.

1019995-83-5Relevant articles and documents

Catalytic asymmetric hydroxylation of oxindoles by molecular oxygen using a phase-transfer catalyst

Sano, Daisuke,Nagata, Kazuhiro,Itoh, Takashi

supporting information; experimental part, p. 1593 - 1595 (2009/04/07)

The highly enantioselective catalytic hydroxylation of 3-substituted oxindoles was achieved by using a phase-transfer catalyst with molecular oxygen as an oxidant. The product then was converted to an optically active compound 8, which was a synthetic precursor of alkaloid CPC-1.

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