52621-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52621-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,6,2 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52621-15:
(7*5)+(6*2)+(5*6)+(4*2)+(3*1)+(2*1)+(1*5)=95
95 % 10 = 5
So 52621-15-5 is a valid CAS Registry Number.