842140-69-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 842140-69-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,2,1,4 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 842140-69:
(8*8)+(7*4)+(6*2)+(5*1)+(4*4)+(3*0)+(2*6)+(1*9)=146
146 % 10 = 6
So 842140-69-6 is a valid CAS Registry Number.