134554-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134554-97-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,5,5 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134554-97:
(8*1)+(7*3)+(6*4)+(5*5)+(4*5)+(3*4)+(2*9)+(1*7)=135
135 % 10 = 5
So 134554-97-5 is a valid CAS Registry Number.