17868-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17868-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,6 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17868-49:
(7*1)+(6*7)+(5*8)+(4*6)+(3*8)+(2*4)+(1*9)=154
154 % 10 = 4
So 17868-49-4 is a valid CAS Registry Number.