755039-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 755039-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,5,0,3 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 755039-49:
(8*7)+(7*5)+(6*5)+(5*0)+(4*3)+(3*9)+(2*4)+(1*9)=177
177 % 10 = 7
So 755039-49-7 is a valid CAS Registry Number.