239100-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 239100-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,9,1,0 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 239100-32:
(8*2)+(7*3)+(6*9)+(5*1)+(4*0)+(3*0)+(2*3)+(1*2)=104
104 % 10 = 4
So 239100-32-4 is a valid CAS Registry Number.