160765-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 160765-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,0,7,6 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 160765-91:
(8*1)+(7*6)+(6*0)+(5*7)+(4*6)+(3*5)+(2*9)+(1*1)=143
143 % 10 = 3
So 160765-91-3 is a valid CAS Registry Number.