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76963-19-4

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76963-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76963-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,6 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 76963-19:
(7*7)+(6*6)+(5*9)+(4*6)+(3*3)+(2*1)+(1*9)=174
174 % 10 = 4
So 76963-19-4 is a valid CAS Registry Number.

76963-19-4Relevant articles and documents

Construction of chiral quaternary carbon centers by asymmetric alkylation of achiral lithium enolates mediated by chiral tetradentate ligands: Stoichiometric and catalytic approaches

Yamashita, Yasuhiro,Odashima, Kazunori,Koga, Kenji

, p. 2803 - 2806 (1999)

Enantioselective asymmetric alkylation of achiral lithium enolates mediated by chiral tetradentate amine ligands is achieved to give chiral quaternary carbon centers. Turnover of a chiral tetradentate amine in the presence of an achiral bidentate amine during the reaction is also realized.

Thione photochemistry: Abstraction and cyclization at the β-position of aralkyl thiones from two excited states

Couture, Axel,Gomez, Jose,De Mayo, Paul

, p. 2010 - 2016 (2007/10/02)

Excitation of a series of β-substituted aralkyl thiones either to the S2 (π,π*) state or to the S1 (n,π*) state leads to a formal insertion into the β-position and the formation of cyclopropyl thiols. The mechanisms of intramolecular

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