321725-86-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321725-86-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,7,2 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 321725-86:
(8*3)+(7*2)+(6*1)+(5*7)+(4*2)+(3*5)+(2*8)+(1*6)=124
124 % 10 = 4
So 321725-86-4 is a valid CAS Registry Number.