160956-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 160956-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,9,5 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 160956-19:
(8*1)+(7*6)+(6*0)+(5*9)+(4*5)+(3*6)+(2*1)+(1*9)=144
144 % 10 = 4
So 160956-19-4 is a valid CAS Registry Number.