909724-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909724-71-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,7,2 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 909724-71:
(8*9)+(7*0)+(6*9)+(5*7)+(4*2)+(3*4)+(2*7)+(1*1)=196
196 % 10 = 6
So 909724-71-6 is a valid CAS Registry Number.