49739-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49739-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,7,3 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 49739-99:
(7*4)+(6*9)+(5*7)+(4*3)+(3*9)+(2*9)+(1*9)=183
183 % 10 = 3
So 49739-99-3 is a valid CAS Registry Number.