7369-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7369-55-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,6 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7369-55:
(6*7)+(5*3)+(4*6)+(3*9)+(2*5)+(1*5)=123
123 % 10 = 3
So 7369-55-3 is a valid CAS Registry Number.