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(4-bromomethyl-phenyl)-oxo-acetic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

543720-18-9

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543720-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 543720-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,3,7,2 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 543720-18:
(8*5)+(7*4)+(6*3)+(5*7)+(4*2)+(3*0)+(2*1)+(1*8)=139
139 % 10 = 9
So 543720-18-9 is a valid CAS Registry Number.

543720-18-9Relevant academic research and scientific papers

Peptidic α-ketocarboxylic acids and sulfonamides as inhibitors of protein tyrosine phosphatases

Chen, Yen Ting,Xie, Jian,Seto, Christopher T.

, p. 4123 - 4125 (2007/10/03)

One common approach tbr designing protein tyrosine phosphatase (PTPase) inhibitors is to incorporate a nonhydrolyzable phosphotyrosine (pTyr) mimic into a peptide substrate for PTPases. This report describes the synthesis of three such nonhydrolyzable pTy

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