1284243-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1284243-05-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,4,2,4 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1284243-05:
(9*1)+(8*2)+(7*8)+(6*4)+(5*2)+(4*4)+(3*3)+(2*0)+(1*5)=145
145 % 10 = 5
So 1284243-05-5 is a valid CAS Registry Number.