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4-nitrophenyl 3'-O-(tert-butyldimethylsilyl)-5'-deoxythymidine-3'-sulfamate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

428506-21-2

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428506-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 428506-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,8,5,0 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 428506-21:
(8*4)+(7*2)+(6*8)+(5*5)+(4*0)+(3*6)+(2*2)+(1*1)=142
142 % 10 = 2
So 428506-21-2 is a valid CAS Registry Number.

428506-21-2Relevant academic research and scientific papers

Synthesis and nucleic-acid-binding properties of sulfamide- and 3′-N-sulfamate-modified DNA

Fettes, Kevin J.,Howard, Nigel,Hickman, David T.,Adah, Steven,Player, Mark R.,Torrence, Paul F.,Micklefield, Jason

, p. 485 - 495 (2007/10/03)

A novel synthetic route for the preparation of sulfamide- and 3′-N-sulfamate-modified dinucleosides has been developed. The synthesis utilises 4-nitrophenyl chlorosulfate to prepare 4-nitrophenyl 3′- or 5′-sulfamates (e.g.,18 and 27), which couple smoothl

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