340974-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 340974-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,9,7 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 340974-15:
(8*3)+(7*4)+(6*0)+(5*9)+(4*7)+(3*4)+(2*1)+(1*5)=144
144 % 10 = 4
So 340974-15-4 is a valid CAS Registry Number.