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69173-79-1

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69173-79-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69173-79-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,1,7 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 69173-79:
(7*6)+(6*9)+(5*1)+(4*7)+(3*3)+(2*7)+(1*9)=161
161 % 10 = 1
So 69173-79-1 is a valid CAS Registry Number.

69173-79-1Relevant articles and documents

A novel general method for the synthesis of nitrones by reaction of nitroso compounds with anions of aliphatic nitro compounds

Lyapkalo,Ioffe,Strelenko,Tartakovsky

, p. 856 - 862 (2007/10/03)

Anions of aliphatic nitro compounds R1R2C=NO2- react with nitroso compounds RNO to give nitrones R1R2C=N(O)R. Salts of nitro compounds with metals and Et3N, as well as trimethylsilyl nitronates in the presence of F-, can serve as the sources of the anions. The structure of the nitrones was established by NMR spectroscopy. 1,3-Dipolar cycloaddition of a series of the nitrones obtained to olefins was investigated.

13C and 1H NMR of Arylnitrones. Substituent Effects of α-Phenyl-N-(p-substituted phenyl)nitrones

Suda, Kohji,Tsujimoto, Toshio,Yamauchi, Masashige

, p. 3607 - 3612 (2007/10/02)

Substituent effects on the chemical shifts of the conjugation sites in α-phenyl-N-arylnitrones (2) have been investigated.Resonance effects predominate at these positions.The electronic effects of the substituents should be treated separately between electron-donating groups and electron-donating groups and electron-withdrawing ones.A plausible mechanism for the transmission of substituent effects in 2 has been proposed.

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