2799-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2799-87-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,9 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2799-87:
(6*2)+(5*7)+(4*9)+(3*9)+(2*8)+(1*7)=133
133 % 10 = 3
So 2799-87-3 is a valid CAS Registry Number.