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152189-66-7

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152189-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 152189-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,1,8 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 152189-66:
(8*1)+(7*5)+(6*2)+(5*1)+(4*8)+(3*9)+(2*6)+(1*6)=137
137 % 10 = 7
So 152189-66-7 is a valid CAS Registry Number.

152189-66-7Relevant articles and documents

A NEW SYNTHESIS 2-ACYL-1,2,3,6,7,11b-HEXAHYDROPYRAZINOISOQUINOLIN-4-ONES BASED ON N-CYANOMETHYL DERIVATIVES OF 2-PHENYL-ETHYLAMIDES OF ACYLGLYCINES

Shekhter, O. V.,Kuklenkova, O. B.,Sergovskaya, N. L.,Tsizin, Yu. S.

, p. 170 - 173 (2007/10/02)

A new route for the synthesis of 2-acyl-1,2,3,6,7,11b-hexahydropyrazinoisoquinolin-4-ones has been studied which includes a stage in which substituted piperazinones are obtained by reductive cyclization of N-cyanomethyl derivatives of 2-phenylethylamides of acylglycines under influence of Raney alloy in formic acid.

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