855404-63-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855404-63-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,4,0 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 855404-63:
(8*8)+(7*5)+(6*5)+(5*4)+(4*0)+(3*4)+(2*6)+(1*3)=176
176 % 10 = 6
So 855404-63-6 is a valid CAS Registry Number.