947-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 947-17-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,4 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 947-17:
(5*9)+(4*4)+(3*7)+(2*1)+(1*7)=91
91 % 10 = 1
So 947-17-1 is a valid CAS Registry Number.