1338578-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338578-80-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,5,7 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1338578-80:
(9*1)+(8*3)+(7*3)+(6*8)+(5*5)+(4*7)+(3*8)+(2*8)+(1*0)=195
195 % 10 = 5
So 1338578-80-5 is a valid CAS Registry Number.