1439902-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1439902-86-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,9,9,0 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1439902-86:
(9*1)+(8*4)+(7*3)+(6*9)+(5*9)+(4*0)+(3*2)+(2*8)+(1*6)=189
189 % 10 = 9
So 1439902-86-9 is a valid CAS Registry Number.