856202-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856202-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,2,0 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 856202-90:
(8*8)+(7*5)+(6*6)+(5*2)+(4*0)+(3*2)+(2*9)+(1*0)=169
169 % 10 = 9
So 856202-90-9 is a valid CAS Registry Number.