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159298-92-7

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159298-92-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159298-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,2,9 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 159298-92:
(8*1)+(7*5)+(6*9)+(5*2)+(4*9)+(3*8)+(2*9)+(1*2)=187
187 % 10 = 7
So 159298-92-7 is a valid CAS Registry Number.

159298-92-7Relevant articles and documents

A Lewis acid mediated schmidt reaction of benzylic azide: Synthesis of sterically crowded aromatic tertiary amines

Murali, Annamalai,Puppala, Manohar,Varghese, Babu,Baskaran, Sundarababu

, p. 5297 - 5302 (2011)

An efficient one-pot synthesis of sterically hindered aromatic tertiary amines through Lewis acid induced intermolecular Schmidt reaction of benzylic azides is described. In the presence of EtAlCl2, benzylic azide underwent a smooth Schmidt reaction to give the corresponding iminium ion, which, upon reduction with NaBH4 in situ, afforded the tertiary amine. The effects of substituents on the aromatic ring and the steric effects of the alkyl side chain have also been studied.

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