51507-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51507-26-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,5,0 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 51507-26:
(7*5)+(6*1)+(5*5)+(4*0)+(3*7)+(2*2)+(1*6)=97
97 % 10 = 7
So 51507-26-7 is a valid CAS Registry Number.