51788-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51788-61-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,7,8 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51788-61:
(7*5)+(6*1)+(5*7)+(4*8)+(3*8)+(2*6)+(1*1)=145
145 % 10 = 5
So 51788-61-5 is a valid CAS Registry Number.