307498-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 307498-11-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,4,9 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 307498-11:
(8*3)+(7*0)+(6*7)+(5*4)+(4*9)+(3*8)+(2*1)+(1*1)=149
149 % 10 = 9
So 307498-11-9 is a valid CAS Registry Number.