55015-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55015-42-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,1 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55015-42:
(7*5)+(6*5)+(5*0)+(4*1)+(3*5)+(2*4)+(1*2)=94
94 % 10 = 4
So 55015-42-4 is a valid CAS Registry Number.