855647-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855647-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,6,4 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 855647-80:
(8*8)+(7*5)+(6*5)+(5*6)+(4*4)+(3*7)+(2*8)+(1*0)=212
212 % 10 = 2
So 855647-80-2 is a valid CAS Registry Number.