2739-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2739-72-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,3 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2739-72:
(6*2)+(5*7)+(4*3)+(3*9)+(2*7)+(1*2)=102
102 % 10 = 2
So 2739-72-2 is a valid CAS Registry Number.