103766-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103766-30-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,6 and 6 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103766-30:
(8*1)+(7*0)+(6*3)+(5*7)+(4*6)+(3*6)+(2*3)+(1*0)=109
109 % 10 = 9
So 103766-30-9 is a valid CAS Registry Number.