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(4S,5S)-4-benzyl-1,5-bis(tert-butoxycarbonyl)-imidazolidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128576-69-2

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128576-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128576-69-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,7 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128576-69:
(8*1)+(7*2)+(6*8)+(5*5)+(4*7)+(3*6)+(2*6)+(1*9)=162
162 % 10 = 2
So 128576-69-2 is a valid CAS Registry Number.

128576-69-2Relevant academic research and scientific papers

Stereoselective Synthesis of 2,3-Diamino Acids. 2,3-Diamino-4-phenylbutanoic Acid

Dunn, Peter J.,Haener, Robert,Rapoport, Henry

, p. 5017 - 5025 (2007/10/02)

The synthesis of (2S,3S)- and (2S,3R)-2,3-diamino-4-phenylbutanoic acid (1c and 3) from L-aspartic acid is described.The N-(phenylfluorenyl)-protected aspartic acid diesters 4 and 10 (α-tert-butyl, β-methyl), 18 (β-benzyl, α-tert-butyl), and 28 (β-benzyl,

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