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163013-14-7

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163013-14-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 163013-14-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,0,1 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 163013-14:
(8*1)+(7*6)+(6*3)+(5*0)+(4*1)+(3*3)+(2*1)+(1*4)=87
87 % 10 = 7
So 163013-14-7 is a valid CAS Registry Number.

163013-14-7Relevant articles and documents

Asymmetric Synthesis of 2H-Azirine 2-Carboxylate Esters

Davis, Franklin A.,Liu, Hu,Liang, Chang-Hsing,Reddy, G. Venkat,Zhang, Yulian,Fang, Tianan,Titus, Donald D.

, p. 8929 - 8935 (2007/10/03)

2H-Azirine 2-carboxylate esters (5), the smallest unsaturated nitrogen heterocycle, are readily prepared in enantiomerically pure form via the base-induced elimination of sulfenic acid (RSOH) from nonracemic N-sulfinylaziridine 2-carboxylate esters (4). Optimum yields were obtained when the aziridine was treated with TMSCl at -95 °C followed by LDA, which was attributed to the improved leaving group ability of an silicon-oxonium species. By using this new methodology the first asymmetric syntheses of the marine cytotoxic antibiotics (R)-(-)- and (S)-(+)-dysidazirine (2) were accomplished.

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