73699-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73699-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,9 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73699-63:
(7*7)+(6*3)+(5*6)+(4*9)+(3*9)+(2*6)+(1*3)=175
175 % 10 = 5
So 73699-63-5 is a valid CAS Registry Number.