856946-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856946-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,9,4 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 856946-93:
(8*8)+(7*5)+(6*6)+(5*9)+(4*4)+(3*6)+(2*9)+(1*3)=235
235 % 10 = 5
So 856946-93-5 is a valid CAS Registry Number.