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404567-14-2

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404567-14-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 404567-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,4,5,6 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 404567-14:
(8*4)+(7*0)+(6*4)+(5*5)+(4*6)+(3*7)+(2*1)+(1*4)=132
132 % 10 = 2
So 404567-14-2 is a valid CAS Registry Number.

404567-14-2Downstream Products

404567-14-2Relevant articles and documents

Preparation of stilbene-tethered nonnatural nucleosides for use with blue-fluorescent antibodies

Chen,Beuscher IV,Stevens,Wirsching,Lerner,Janda

, p. 1725 - 1732 (2007/10/03)

The synthesis of the first examples of stilbene-tethered hydrophobic C-nucleosides is described. Compounds of this type are targeted for use with our recently reported "blue-fluorescent antibodies with the aim of probing native and nonnatural DNA. The nucleophilic addition of aryl Grignard reagents to either a protected 2′-deoxy-1′-chloro-ribofuranose or a protected 2′-deoxy-ribonolactone was the key synthetic step and afforded C-nucleosides in good yields. Both routes resulted in a final product that was ≥ 90% of the β-anomer. Amide- and ether-based linkers for attachment of trans-stilbene to the nucleobase were assessed for utility during synthesis and in binding of the ligands to a blue-fluorescent monoclonal antibody. X-ray structures of each complex were obtained and serve as a guideline for second-generation stilbene-tethered C-nucleosides. The development of these hydrophobic nucleosides will be useful in current native and nonnatural DNA studies and invaluable for investigations regarding novel, nonnatural genomes in the future.

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