1428305-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1428305-98-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,3,0 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1428305-98:
(9*1)+(8*4)+(7*2)+(6*8)+(5*3)+(4*0)+(3*5)+(2*9)+(1*8)=159
159 % 10 = 9
So 1428305-98-9 is a valid CAS Registry Number.