854651-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854651-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,6,5 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 854651-91:
(8*8)+(7*5)+(6*4)+(5*6)+(4*5)+(3*1)+(2*9)+(1*1)=195
195 % 10 = 5
So 854651-91-5 is a valid CAS Registry Number.