83431-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83431-06-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,3 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 83431-06:
(7*8)+(6*3)+(5*4)+(4*3)+(3*1)+(2*0)+(1*6)=115
115 % 10 = 5
So 83431-06-5 is a valid CAS Registry Number.
83431-06-5Relevant articles and documents
AZABENZOXAZOLES: SYNTHESIS OF 3-METHYLISOXAZOLO- AND 2-METHYLOXAZOLOPYRIDINES
Camparini, Alfredo,Chimichi, Stefano,Ponticelli, Fabio,Tedeschi, Piero
, p. 1511 - 1515 (2007/10/02)
A convenient synthesis of 4-acetyl-3-hydroxypyridine is reported; this compound allows the preparation of the new isoxazolo- and oxazolopyridine ring systems.