103530-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103530-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,5,3 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103530-90:
(8*1)+(7*0)+(6*3)+(5*5)+(4*3)+(3*0)+(2*9)+(1*0)=81
81 % 10 = 1
So 103530-90-1 is a valid CAS Registry Number.