920388-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 920388-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,3,8 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 920388-98:
(8*9)+(7*2)+(6*0)+(5*3)+(4*8)+(3*8)+(2*9)+(1*8)=183
183 % 10 = 3
So 920388-98-3 is a valid CAS Registry Number.