1183439-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1183439-70-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,3,4,3 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1183439-70:
(9*1)+(8*1)+(7*8)+(6*3)+(5*4)+(4*3)+(3*9)+(2*7)+(1*0)=164
164 % 10 = 4
So 1183439-70-4 is a valid CAS Registry Number.