755739-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 755739-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,5,7,3 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 755739-70:
(8*7)+(7*5)+(6*5)+(5*7)+(4*3)+(3*9)+(2*7)+(1*0)=209
209 % 10 = 9
So 755739-70-9 is a valid CAS Registry Number.