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(2R,3R)-2-Amino-5-tert-butoxycarbonylamino-3-hydroxy-pentanoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

901778-04-9

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901778-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 901778-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,1,7,7 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 901778-04:
(8*9)+(7*0)+(6*1)+(5*7)+(4*7)+(3*8)+(2*0)+(1*4)=169
169 % 10 = 9
So 901778-04-9 is a valid CAS Registry Number.

901778-04-9Downstream Products

901778-04-9Relevant academic research and scientific papers

Enantioselective synthesis of (2R,3R)- and (2S,3S)-β-hydroxyornithine

Pandey, Satyendra Kumar,Kumar, Pradeep

, p. 4167 - 4169 (2006)

An efficient and short synthesis of (2R,3R)- and (2S,3S)-β-hydroxyornithine 1a-b is described using Sharpless asymmetric dihydroxylation and regioselective nucleophilic opening of a cyclic sulfite as the key steps.

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