22172-93-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22172-93-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,7 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22172-93:
(7*2)+(6*2)+(5*1)+(4*7)+(3*2)+(2*9)+(1*3)=86
86 % 10 = 6
So 22172-93-6 is a valid CAS Registry Number.