51540-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51540-63-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,5,4 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51540-63:
(7*5)+(6*1)+(5*5)+(4*4)+(3*0)+(2*6)+(1*3)=97
97 % 10 = 7
So 51540-63-7 is a valid CAS Registry Number.