1388185-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1388185-92-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,8,1,8 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1388185-92:
(9*1)+(8*3)+(7*8)+(6*8)+(5*1)+(4*8)+(3*5)+(2*9)+(1*2)=209
209 % 10 = 9
So 1388185-92-9 is a valid CAS Registry Number.