99973-37-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99973-37-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,7 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99973-37:
(7*9)+(6*9)+(5*9)+(4*7)+(3*3)+(2*3)+(1*7)=212
212 % 10 = 2
So 99973-37-2 is a valid CAS Registry Number.