434284-14-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 434284-14-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,4,2,8 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 434284-14:
(8*4)+(7*3)+(6*4)+(5*2)+(4*8)+(3*4)+(2*1)+(1*4)=137
137 % 10 = 7
So 434284-14-7 is a valid CAS Registry Number.