3753-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3753-65-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,5 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3753-65:
(6*3)+(5*7)+(4*5)+(3*3)+(2*6)+(1*5)=99
99 % 10 = 9
So 3753-65-9 is a valid CAS Registry Number.