1195643-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1195643-72-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,5,6,4 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1195643-72:
(9*1)+(8*1)+(7*9)+(6*5)+(5*6)+(4*4)+(3*3)+(2*7)+(1*2)=181
181 % 10 = 1
So 1195643-72-1 is a valid CAS Registry Number.