52755-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52755-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,5 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 52755-68:
(7*5)+(6*2)+(5*7)+(4*5)+(3*5)+(2*6)+(1*8)=137
137 % 10 = 7
So 52755-68-7 is a valid CAS Registry Number.