1010909-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1010909-03-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,0,9,0 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1010909-03:
(9*1)+(8*0)+(7*1)+(6*0)+(5*9)+(4*0)+(3*9)+(2*0)+(1*3)=91
91 % 10 = 1
So 1010909-03-1 is a valid CAS Registry Number.