51145-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51145-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,4 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51145-42:
(7*5)+(6*1)+(5*1)+(4*4)+(3*5)+(2*4)+(1*2)=87
87 % 10 = 7
So 51145-42-7 is a valid CAS Registry Number.