90170-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90170-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,7 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90170-86:
(7*9)+(6*0)+(5*1)+(4*7)+(3*0)+(2*8)+(1*6)=118
118 % 10 = 8
So 90170-86-8 is a valid CAS Registry Number.