388109-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 388109-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,8,1,0 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 388109-75:
(8*3)+(7*8)+(6*8)+(5*1)+(4*0)+(3*9)+(2*7)+(1*5)=179
179 % 10 = 9
So 388109-75-9 is a valid CAS Registry Number.