87121-52-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87121-52-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,2 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87121-52:
(7*8)+(6*7)+(5*1)+(4*2)+(3*1)+(2*5)+(1*2)=126
126 % 10 = 6
So 87121-52-6 is a valid CAS Registry Number.