875455-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 875455-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,5,4,5 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 875455-91:
(8*8)+(7*7)+(6*5)+(5*4)+(4*5)+(3*5)+(2*9)+(1*1)=217
217 % 10 = 7
So 875455-91-7 is a valid CAS Registry Number.