1388091-75-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1388091-75-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,8,0,9 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1388091-75:
(9*1)+(8*3)+(7*8)+(6*8)+(5*0)+(4*9)+(3*1)+(2*7)+(1*5)=195
195 % 10 = 5
So 1388091-75-5 is a valid CAS Registry Number.