4894-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4894-17-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,9 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4894-17:
(6*4)+(5*8)+(4*9)+(3*4)+(2*1)+(1*7)=121
121 % 10 = 1
So 4894-17-1 is a valid CAS Registry Number.