1307149-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1307149-53-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,7,1,4 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1307149-53:
(9*1)+(8*3)+(7*0)+(6*7)+(5*1)+(4*4)+(3*9)+(2*5)+(1*3)=136
136 % 10 = 6
So 1307149-53-6 is a valid CAS Registry Number.