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154228-83-8

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154228-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154228-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,2,2 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 154228-83:
(8*1)+(7*5)+(6*4)+(5*2)+(4*2)+(3*8)+(2*8)+(1*3)=128
128 % 10 = 8
So 154228-83-8 is a valid CAS Registry Number.

154228-83-8Relevant articles and documents

Direct amination of olefins through sequential triazolinedione ene reaction and carbanion-assisted cleavage of the N-N urazole bond

Adam, Waldemar,Pastor, Aurelia,Wirth, Thomas

, p. 1295 - 1297 (2007/10/03)

(formula presented) Allylic amines 5 are obtained in 30-55% overall yields by the base-catalyzed hydrolysis of trialkylated allylic urazoles 3; the latter are prepared by the TAD ene reaction of the appropriate olefin and further N-alkylation with α-bromo

Ene Reaction of Triazolinediones with Alkenes. 2. Kinetics and Substituent Effects

Ohashi, Shinichi,Butler, George B.

, p. 3472 - 3476 (2007/10/02)

The kinetic measurements for the reaction of 4-substituted-1,2,4-triazoline-3,5-diones (4-R-TD; R=Ph, Me, p-MeOC6H4, p-NO2C6H4) with alkenes have been undertaken.The reactivity of alkenes was found to be very sensitive to substituent effects.The effects of solvent and substituent on TD were small.In the reaction of TD with ene products, side reactions as well as second-step ene reactions were observed.The reactions of 1-alkyl-4-phenyl-1,2,4-triazolidine-3,5-diones were investigated, and the reaction products were isolated.

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