841209-85-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 841209-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,1,2,0 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 841209-85:
(8*8)+(7*4)+(6*1)+(5*2)+(4*0)+(3*9)+(2*8)+(1*5)=156
156 % 10 = 6
So 841209-85-6 is a valid CAS Registry Number.