1134334-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1134334-54-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,4,3,3 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1134334-54:
(9*1)+(8*1)+(7*3)+(6*4)+(5*3)+(4*3)+(3*4)+(2*5)+(1*4)=115
115 % 10 = 5
So 1134334-54-5 is a valid CAS Registry Number.