103665-37-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103665-37-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,6 and 5 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103665-37:
(8*1)+(7*0)+(6*3)+(5*6)+(4*6)+(3*5)+(2*3)+(1*7)=108
108 % 10 = 8
So 103665-37-8 is a valid CAS Registry Number.