103207-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103207-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,0 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103207-52:
(8*1)+(7*0)+(6*3)+(5*2)+(4*0)+(3*7)+(2*5)+(1*2)=69
69 % 10 = 9
So 103207-52-9 is a valid CAS Registry Number.