856349-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856349-93-4 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 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 856349-93:
(8*8)+(7*5)+(6*6)+(5*3)+(4*4)+(3*9)+(2*9)+(1*3)=214
214 % 10 = 4
So 856349-93-4 is a valid CAS Registry Number.