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139266-71-0

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139266-71-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139266-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,6 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139266-71:
(8*1)+(7*3)+(6*9)+(5*2)+(4*6)+(3*6)+(2*7)+(1*1)=150
150 % 10 = 0
So 139266-71-0 is a valid CAS Registry Number.

139266-71-0Downstream Products

139266-71-0Relevant articles and documents

Reaction of 5-Aryl-4-acetyl-1-methyltetrahydropyrrole-2,3-diones with Primary Amines and Nitrophenyl-, Diphenylphosphinyl-, and Diphenoxyphosphinoylhydrazines

Bagrov

, p. 1217 - 1220 (2007/10/03)

Reaction of benzylamine, anilines and nitrophenyl-, diphenylphosphinoyl-, and diphenoxyphosphinoylhydrazines with 5-aryl-4-acetyl-1-methyltetrahydropyrrole-2,3-diones regiospecifically involves the 4-acetyl carbonyl group. The tautomeric equilibrium in the condensation products is controlled by the nature of substituent in the nucleophilic component. The products of the reactions of 5-aryl-4-acetyl-1-methyltetrahydropyrrole-2,3-diones with primary amines and with nitrophenylhydrazines exist in crystal as ketoenamine and enehydrazone tautomers, respectively; the latter are stabilized by an intramolecular hydrogen bond. With diphenylphosphinoyl- and diphenoxyphosphinoylhydrazines, EE′E″ ketohydrazone tautomers.

SYNTHESIS OF 4-SUBSTITUTED 1-METHYL-5-ARYL- AND 1,5-DIARYLTETRAHYDROPYRROLE-2,3-DIONES AND THEIR ANTIVIRAL ACTION

Gein, V. L.,Shumilovskikh, E. V.,Andreichikov, Yu. S.,Saraeva, R. F.,Korobchenko, L. V.,et al.

, p. 884 - 887 (2007/10/02)

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