1201916-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1201916-72-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,9,1 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1201916-72:
(9*1)+(8*2)+(7*0)+(6*1)+(5*9)+(4*1)+(3*6)+(2*7)+(1*2)=114
114 % 10 = 4
So 1201916-72-4 is a valid CAS Registry Number.