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2-bromo-3-(p-hydroxyphenyl)propanoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

474558-87-7

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474558-87-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 474558-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,4,5,5 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 474558-87:
(8*4)+(7*7)+(6*4)+(5*5)+(4*5)+(3*8)+(2*8)+(1*7)=197
197 % 10 = 7
So 474558-87-7 is a valid CAS Registry Number.

474558-87-7Upstream product

474558-87-7Relevant academic research and scientific papers

Processes for conversion of tyrosine to p-hydroxystyrene and p-acetoxystyrene

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Page/Page column 6-7, (2008/06/13)

Tyrosine was converted to p-hydroxystyrene in a two-step reaction without purification of individual intermediates. Conditions were determined for bromination of tyrosine in which reactive intermediates were formed. The mixture of these intermediates was used directly in a second step reaction to produce p-hydroxystyrene. The p-hydroxystyrene was further acetylated to produce p-acetoxystyrene in the second step reaction vessel.

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