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88988-84-5

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88988-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88988-84-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,9,8 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 88988-84:
(7*8)+(6*8)+(5*9)+(4*8)+(3*8)+(2*8)+(1*4)=225
225 % 10 = 5
So 88988-84-5 is a valid CAS Registry Number.

88988-84-5Downstream Products

88988-84-5Relevant articles and documents

NMR STUDIES ON IMIDINES. VII. THE TAUTOMERISM OF MONO-N-ARYL SUBSTITUTED PHTHALIC IMIDINES. A 1H AND 13C NUCLEAR MAGNETIC RESONANCE STUDY.

Spiessens, Luc I.,Anteunis, M. J. O.

, p. 431 - 452 (2007/10/02)

1H and 13C NMR data indicate the presence of N-aryl substituted phthalic imidines to exist as 3-amino-1-N-arylimino-1H-isoindole compounds in DMSO-d6.In CDCl3 a tautomeric equilibrium mixture containing 20percent of the imino form is observed.The presence of a dimeric association through intramolecular H bonds is suggested.It is shown that intramolecular NH-N hydrogen bonds displace the tautomeric equilibrium toward the imino tautomer in 2-pyridyl substituted phthalic imidines.In the reaction product of phthalic imidine and 2,6-diaminopyridine, 11, two pairs of intramolecular NH-N hydrogen bonds result in the presence of both amino and imino tautomeric forms in the same molecular species.

TAUTOMERISM AND ISOMERISM IN 1,3-DIIMINOISOINDOLINE DERIVATIVES. I. PROTOTROPIC TAUTOMERISM AND Z,E-ISOMERIZATION OF 1,3-DIIMINOISOINDOLINE DERIVATIVES

Negrebetskii, V. V.,Balitskaya, O. V.,Kornilov, M. Yu.

, p. 2320 - 2332 (2007/10/02)

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