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6338-74-5

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6338-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6338-74-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,3 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6338-74:
(6*6)+(5*3)+(4*3)+(3*8)+(2*7)+(1*4)=105
105 % 10 = 5
So 6338-74-5 is a valid CAS Registry Number.

6338-74-5Relevant articles and documents

Atmosphere- and Temperature-Controlled Regioselective Aminobromination of Olefins

Yu, Wesley Zongrong,Cheng, Yi An,Wong, Ming Wah,Yeung, Ying-Yeung

supporting information, p. 234 - 239 (2017/02/05)

A complete switch of regioselectivity in the aminobromination of olefins is realized from delicate changes in the reaction temperature from 25 °C to 40 °C and the atmosphere from air to argon, under catalyst-free conditions. The resulting α-bromoamides ca

Palladium-catalyzed cross-coupling of n -sulfonylaziridines with boronic acids

Duda, Megan L.,Michael, Forrest E.

, p. 18347 - 18349 (2014/01/06)

A mild palladium-catalyzed cross-coupling of unsubstituted and 2-alkyl-substituted aziridines with arylboronic acid nucleophiles is presented. The reaction is highly regioselective and compatible with diverse functionality. A catalytic amount of base, a sterically demanding triarylphosphine ligand, and a phenol additive are critical to the success of the reaction. Coupling of a deuterium-labeled substrate established that ring opening of the aziridine occurs with inversion of stereochemistry.

Inter- and intramolecular hydroamination of unactivated alkenes catalysed by a combination of copper and silver salts: The unveiling of a Bronstedt acid catalysis

Michon, Christophe,Medina, Florian,Capet, Frederic,Roussel, Pascal,Agbossou-Niedercorn, Francine

supporting information; experimental part, p. 3293 - 3305 (2011/02/23)

The combined use of a copper halide, a silver salt and a phosphane ligand was applied for the catalysis of inter- and intramolecular hydroamination of alkenes. The reactions of unactivated olefins with nitrogen substrates were investigated. Mechanistic investigations demonstrated that the catalytic system generated a Bronsted acid which appeared to be the prominent catalytic species. Copyright

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