111507-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111507-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,0 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 111507-83:
(8*1)+(7*1)+(6*1)+(5*5)+(4*0)+(3*7)+(2*8)+(1*3)=86
86 % 10 = 6
So 111507-83-6 is a valid CAS Registry Number.