902775-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 902775-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,2,7,7 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 902775-81:
(8*9)+(7*0)+(6*2)+(5*7)+(4*7)+(3*5)+(2*8)+(1*1)=179
179 % 10 = 9
So 902775-81-9 is a valid CAS Registry Number.