117746-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117746-43-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,4 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117746-43:
(8*1)+(7*1)+(6*7)+(5*7)+(4*4)+(3*6)+(2*4)+(1*3)=137
137 % 10 = 7
So 117746-43-7 is a valid CAS Registry Number.