102903-12-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102903-12-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,9,0 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102903-12:
(8*1)+(7*0)+(6*2)+(5*9)+(4*0)+(3*3)+(2*1)+(1*2)=78
78 % 10 = 8
So 102903-12-8 is a valid CAS Registry Number.