89992-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89992-05-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,9 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89992-05:
(7*8)+(6*9)+(5*9)+(4*9)+(3*2)+(2*0)+(1*5)=202
202 % 10 = 2
So 89992-05-2 is a valid CAS Registry Number.
89992-05-2Relevant articles and documents
One-pot synthesis of 3-amino-4-aryl- and 3-amino-4-hetarylfurazans
Sheremetev
, p. 1057 - 1059 (2007/10/03)
A "one pot" method for the synthesis of 3-amino-4-aryl- and 3-amino-4-hetarylfurazans from β-aryl- and 4-β-hetaryl-β-oxo acid esters was developed.
