856971-96-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856971-96-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,9,7 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 856971-96:
(8*8)+(7*5)+(6*6)+(5*9)+(4*7)+(3*1)+(2*9)+(1*6)=235
235 % 10 = 5
So 856971-96-5 is a valid CAS Registry Number.