1139872-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1139872-32-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,9,8,7 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1139872-32:
(9*1)+(8*1)+(7*3)+(6*9)+(5*8)+(4*7)+(3*2)+(2*3)+(1*2)=174
174 % 10 = 4
So 1139872-32-4 is a valid CAS Registry Number.