1357387-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1357387-81-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,7,3,8 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1357387-81:
(9*1)+(8*3)+(7*5)+(6*7)+(5*3)+(4*8)+(3*7)+(2*8)+(1*1)=195
195 % 10 = 5
So 1357387-81-5 is a valid CAS Registry Number.