1354020-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1354020-81-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,4,0,2 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1354020-81:
(9*1)+(8*3)+(7*5)+(6*4)+(5*0)+(4*2)+(3*0)+(2*8)+(1*1)=117
117 % 10 = 7
So 1354020-81-7 is a valid CAS Registry Number.