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851219-17-5

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851219-17-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851219-17-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,2,1 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 851219-17:
(8*8)+(7*5)+(6*1)+(5*2)+(4*1)+(3*9)+(2*1)+(1*7)=155
155 % 10 = 5
So 851219-17-5 is a valid CAS Registry Number.

851219-17-5Relevant articles and documents

The facile preparation of primary and secondary amines via an improved Fukuyama-Mitsunobu procedure. Application to the synthesis of a lung-targeted gene delivery agent

Guisado, Cristina,Waterhouse, Jodie E.,Price, Wayne S.,Jorgensen, Michael R.,Miller, Andrew D.

, p. 1049 - 1057 (2007/10/03)

An efficient modification of the Fukuyama-Mitsunobu procedure has been developed whereby primary or secondary amines can be synthesized from alkyl alcohols and the corresponding nosyl-protected/activated amine. Most importantly, the use of the DTBAD and diphenylpyridinylphosphine, as Mitsunobu reagents, generates reaction by-products that can be easily removed, providing a remarkably clean product mixture. This improved technique was implemented in the synthesis of a complex lipopeptide designed to target α 9β1-integrin proteins predominant on upper airway epithelial cells. The Royal Society of Chemistry 2005.

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