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77643-58-4

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77643-58-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77643-58-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,4 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77643-58:
(7*7)+(6*7)+(5*6)+(4*4)+(3*3)+(2*5)+(1*8)=164
164 % 10 = 4
So 77643-58-4 is a valid CAS Registry Number.

77643-58-4Downstream Products

77643-58-4Relevant articles and documents

Synthesis and reactivity of α-halomethyl ketimines

De Kimpe,De Cock,Stevens

, p. 2739 - 2760 (2007/10/02)

The synthesis of N-(1-halo-2-alkylidene)amines, i.e. α-halomethyl ketimines, is described for the first time, utilizing the TiCl4-induced condensation of α-halomethyl ketones with primary amines. The reactivity of these new α-halomethylketimines was studied with respect to nucleophiles such as iodide, cyanide, alcohols, alkoxides, amines and thiolates. α-Halomethyl ketimines are powerful ambident electrophiles which underwent a variety of reactions leading to functionalized imines and heterocycles.

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