136722-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136722-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,2 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136722-19:
(8*1)+(7*3)+(6*6)+(5*7)+(4*2)+(3*2)+(2*1)+(1*9)=125
125 % 10 = 5
So 136722-19-5 is a valid CAS Registry Number.
136722-19-5Relevant articles and documents
1,7-substituted heptyn-2-ones and use
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, (2008/06/13)
1-Phenyl-7-substituted-hept-5-yn-2-ones substituted with a C1 to C7 alkyl, C3 to C6 cycloalkyl, aryl, heteroaryl or heterocycloalkyl group at the 1-position and an amino, a dialkylamino, a piperidyl, a pyrrolidy