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N-benzyloxycarbonyl-2,2-difluoro-1-ethylthioethylamine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

154140-59-7

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154140-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154140-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,1,4 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 154140-59:
(8*1)+(7*5)+(6*4)+(5*1)+(4*4)+(3*0)+(2*5)+(1*9)=107
107 % 10 = 7
So 154140-59-7 is a valid CAS Registry Number.

154140-59-7Upstream product

154140-59-7Relevant academic research and scientific papers

Synthesis of 3,3-difluoro-DL-alanine and 3,3-difluoro-DL-alanine precursors

D'Orchymont

, p. 961 - 963 (1993)

The key intermediate to 3,3-difluoroalanine, 2,2-difluoro-1-ethylthioethylamine hydrobromide (2), was prepared by the Steglich and Weygand procedure. Its conversion to N-benzyloxycarbonyl-2,2-difluoro-1-ethenylethylamine (5) followed by oxidation and subsequent deprotection of the amine afforded the 3,3-difluoroalanine.

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