51009-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51009-59-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,0,0 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 51009-59:
(7*5)+(6*1)+(5*0)+(4*0)+(3*9)+(2*5)+(1*9)=87
87 % 10 = 7
So 51009-59-7 is a valid CAS Registry Number.