321717-36-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321717-36-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,7,1 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 321717-36:
(8*3)+(7*2)+(6*1)+(5*7)+(4*1)+(3*7)+(2*3)+(1*6)=116
116 % 10 = 6
So 321717-36-6 is a valid CAS Registry Number.