1373769-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1373769-43-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,3,7,6 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1373769-43:
(9*1)+(8*3)+(7*7)+(6*3)+(5*7)+(4*6)+(3*9)+(2*4)+(1*3)=197
197 % 10 = 7
So 1373769-43-7 is a valid CAS Registry Number.