305347-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305347-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,3,4 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 305347-29:
(8*3)+(7*0)+(6*5)+(5*3)+(4*4)+(3*7)+(2*2)+(1*9)=119
119 % 10 = 9
So 305347-29-9 is a valid CAS Registry Number.