103717-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103717-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,1 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103717-32:
(8*1)+(7*0)+(6*3)+(5*7)+(4*1)+(3*7)+(2*3)+(1*2)=94
94 % 10 = 4
So 103717-32-4 is a valid CAS Registry Number.