856955-11-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856955-11-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,9,5 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 856955-11:
(8*8)+(7*5)+(6*6)+(5*9)+(4*5)+(3*5)+(2*1)+(1*1)=218
218 % 10 = 8
So 856955-11-8 is a valid CAS Registry Number.