875017-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 875017-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,5,0,1 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 875017-91:
(8*8)+(7*7)+(6*5)+(5*0)+(4*1)+(3*7)+(2*9)+(1*1)=187
187 % 10 = 7
So 875017-91-7 is a valid CAS Registry Number.