103620-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103620-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,2 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103620-18:
(8*1)+(7*0)+(6*3)+(5*6)+(4*2)+(3*0)+(2*1)+(1*8)=74
74 % 10 = 4
So 103620-18-4 is a valid CAS Registry Number.