102105-10-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102105-10-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,1,0 and 5 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 102105-10:
(8*1)+(7*0)+(6*2)+(5*1)+(4*0)+(3*5)+(2*1)+(1*0)=42
42 % 10 = 2
So 102105-10-2 is a valid CAS Registry Number.