903202-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903202-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,2,0 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 903202-27:
(8*9)+(7*0)+(6*3)+(5*2)+(4*0)+(3*2)+(2*2)+(1*7)=117
117 % 10 = 7
So 903202-27-7 is a valid CAS Registry Number.