1554422-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1554422-03-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,4,4,2 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1554422-03:
(9*1)+(8*5)+(7*5)+(6*4)+(5*4)+(4*2)+(3*2)+(2*0)+(1*3)=145
145 % 10 = 5
So 1554422-03-5 is a valid CAS Registry Number.