856345-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856345-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,3,4 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 856345-30:
(8*8)+(7*5)+(6*6)+(5*3)+(4*4)+(3*5)+(2*3)+(1*0)=187
187 % 10 = 7
So 856345-30-7 is a valid CAS Registry Number.