753437-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 753437-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,3,4,3 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 753437-57:
(8*7)+(7*5)+(6*3)+(5*4)+(4*3)+(3*7)+(2*5)+(1*7)=179
179 % 10 = 9
So 753437-57-9 is a valid CAS Registry Number.