306734-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306734-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,7,3 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 306734-44:
(8*3)+(7*0)+(6*6)+(5*7)+(4*3)+(3*4)+(2*4)+(1*4)=131
131 % 10 = 1
So 306734-44-1 is a valid CAS Registry Number.