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52252-58-1

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52252-58-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52252-58-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,2,5 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 52252-58:
(7*5)+(6*2)+(5*2)+(4*5)+(3*2)+(2*5)+(1*8)=101
101 % 10 = 1
So 52252-58-1 is a valid CAS Registry Number.

52252-58-1Relevant articles and documents

All-natural carbon source raspberry ketone preparation method

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, (2019/02/04)

The invention discloses an all-natural carbon source raspberry ketone preparation method, which comprises: carrying out a demethylation reaction on naturally-derived p-anisaldehyde as a raw material to prepare p-hydroxybenzaldehyde, carrying out a Knoevenagel condensation reaction on the p-hydroxybenzaldehyde and ethyl acetoacetate derived from biomass to obtain ethyl (E/Z)-2-acetyl-3-(4-hydroxyphenyl)acrylate, and carrying out hydrogenation, hydrolysis and decarboxylation to prepare the raspberry ketone. According to the present invention, the method can achieve the preparation of the all-natural carbon source raspberry ketone, and has advantages of simple route, easy operation, environmental friendliness, high yield and the like.

Efficient synthetic method of Psammaplin A

Hong, Suckchang,Lee, Myungmo,Jung, Myunggi,Park, Yohan,Kim, Mi-Hyun,Park, Hyeung-Geun

scheme or table, p. 4209 - 4211 (2012/08/28)

A new concise and efficient synthetic method of Psammaplin A was developed. Psammaplin A was obtained with 50% overall yield in nine steps from p-hydroxybenzaldehyde and ethyl acetoacetate via Knoevenagel condensation and direct nitrosation as key steps.

Beta-ketoester compounds

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Page column 12, (2010/11/30)

The beta-ketoesters of formula I are useful as precursors for organoleptic compounds, especially for flavors, fragrances and masking agents and antimicrobial compounds.

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