802856-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 802856-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,2,8,5 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 802856-71:
(8*8)+(7*0)+(6*2)+(5*8)+(4*5)+(3*6)+(2*7)+(1*1)=169
169 % 10 = 9
So 802856-71-9 is a valid CAS Registry Number.