109210-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109210-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,1 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 109210-41:
(8*1)+(7*0)+(6*9)+(5*2)+(4*1)+(3*0)+(2*4)+(1*1)=85
85 % 10 = 5
So 109210-41-5 is a valid CAS Registry Number.