Cas 32212-22-9,4-(4-nitro-phenyl)-2-phenyl-2,3-dihydro-[1,3,5,2]oxadiazaborole

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Check Digit Verification of cas no

The CAS Registry Mumber 32212-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,2,1 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 32212-22:
(7*3)+(6*2)+(5*2)+(4*1)+(3*2)+(2*2)+(1*2)=59
59 % 10 = 9
So 32212-22-9 is a valid CAS Registry Number.

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32212-22-9Relevant academic research and scientific papers

Potentiometric study of acid-base equilibria of 3,5-disubstituted 1,2,4,5-oxadiazaboroles in nonaqueous media

Dueruest, Yasar,Dueruest, Nedime,Akcan, Muharrem

, p. 718 - 720 (2008/02/13)

The protonation constants of the amino nitrogens of some substituted 1,2,4,5-oxadiazaboroles have been determined in acetic acid by means of potentiometric titration with perchloric acid. pKa values of the title compounds were interpreted on the basis of structural effects due to the substituents and the main skeleton by plotting pBH+ value versus Hammett constants. Good correlations between PKBH+, σ constants, and δC=N and δNH values were also obtained.

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