17798-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17798-33-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,9 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 17798-33:
(7*1)+(6*7)+(5*7)+(4*9)+(3*8)+(2*3)+(1*3)=153
153 % 10 = 3
So 17798-33-3 is a valid CAS Registry Number.