1019691-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1019691-72-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,6,9 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1019691-72:
(9*1)+(8*0)+(7*1)+(6*9)+(5*6)+(4*9)+(3*1)+(2*7)+(1*2)=155
155 % 10 = 5
So 1019691-72-5 is a valid CAS Registry Number.