91862-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91862-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,6 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91862-16:
(7*9)+(6*1)+(5*8)+(4*6)+(3*2)+(2*1)+(1*6)=147
147 % 10 = 7
So 91862-16-7 is a valid CAS Registry Number.