603987-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 603987-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,3,9,8 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 603987-92:
(8*6)+(7*0)+(6*3)+(5*9)+(4*8)+(3*7)+(2*9)+(1*2)=184
184 % 10 = 4
So 603987-92-4 is a valid CAS Registry Number.