99726-37-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99726-37-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,2 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99726-37:
(7*9)+(6*9)+(5*7)+(4*2)+(3*6)+(2*3)+(1*7)=191
191 % 10 = 1
So 99726-37-1 is a valid CAS Registry Number.