103099-02-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103099-02-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,0,9 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103099-02:
(8*1)+(7*0)+(6*3)+(5*0)+(4*9)+(3*9)+(2*0)+(1*2)=91
91 % 10 = 1
So 103099-02-1 is a valid CAS Registry Number.