52702-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52702-85-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,0 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52702-85:
(7*5)+(6*2)+(5*7)+(4*0)+(3*2)+(2*8)+(1*5)=109
109 % 10 = 9
So 52702-85-9 is a valid CAS Registry Number.