902131-32-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 902131-32-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,2,1,3 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 902131-32:
(8*9)+(7*0)+(6*2)+(5*1)+(4*3)+(3*1)+(2*3)+(1*2)=112
112 % 10 = 2
So 902131-32-2 is a valid CAS Registry Number.