17789-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17789-41-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,8 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17789-41:
(7*1)+(6*7)+(5*7)+(4*8)+(3*9)+(2*4)+(1*1)=152
152 % 10 = 2
So 17789-41-2 is a valid CAS Registry Number.