841209-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 841209-58-3 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, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 841209-58:
(8*8)+(7*4)+(6*1)+(5*2)+(4*0)+(3*9)+(2*5)+(1*8)=153
153 % 10 = 3
So 841209-58-3 is a valid CAS Registry Number.