17647-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17647-22-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,4 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17647-22:
(7*1)+(6*7)+(5*6)+(4*4)+(3*7)+(2*2)+(1*2)=122
122 % 10 = 2
So 17647-22-2 is a valid CAS Registry Number.