19699-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19699-76-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,9 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19699-76:
(7*1)+(6*9)+(5*6)+(4*9)+(3*9)+(2*7)+(1*6)=174
174 % 10 = 4
So 19699-76-4 is a valid CAS Registry Number.