7000-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7000-52-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,0 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7000-52:
(6*7)+(5*0)+(4*0)+(3*0)+(2*5)+(1*2)=54
54 % 10 = 4
So 7000-52-4 is a valid CAS Registry Number.