1254319-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1254319-55-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,3,1 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1254319-55:
(9*1)+(8*2)+(7*5)+(6*4)+(5*3)+(4*1)+(3*9)+(2*5)+(1*5)=145
145 % 10 = 5
So 1254319-55-5 is a valid CAS Registry Number.