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393796-18-4

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393796-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 393796-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,3,7,9 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 393796-18:
(8*3)+(7*9)+(6*3)+(5*7)+(4*9)+(3*6)+(2*1)+(1*8)=204
204 % 10 = 4
So 393796-18-4 is a valid CAS Registry Number.

393796-18-4Downstream Products

393796-18-4Relevant articles and documents

Enantioselective 1,4-addition of unmodified ketone catalyzed by a bimetallic Zn-Zn-linked-binol complex

Kumagai, Naoya,Matsunaga, Shigeki,Shibasaki, Masakatsu

, p. 4251 - 4254 (2001)

(Matrix Presented) 1,4-Addition (Michael addition) of 2-hydroxy-2′-methoxyacetophenone (2) to various αβ-unsaturated ketones was efficiently promoted by a bimetallic Zn-Zn-linked-BINOL complex 3 with good yield (up to 90%) and excellent enantiomeric excess (up to 99% ee). The resulting 2-hydroxy-1,5-diketones were successfully converted to synthetically more versatile esters and amides.

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