603988-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 603988-52-9 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 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 603988-52:
(8*6)+(7*0)+(6*3)+(5*9)+(4*8)+(3*8)+(2*5)+(1*2)=179
179 % 10 = 9
So 603988-52-9 is a valid CAS Registry Number.