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1260694-70-9

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1260694-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1260694-70-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,0,6,9 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1260694-70:
(9*1)+(8*2)+(7*6)+(6*0)+(5*6)+(4*9)+(3*4)+(2*7)+(1*0)=159
159 % 10 = 9
So 1260694-70-9 is a valid CAS Registry Number.

1260694-70-9Relevant articles and documents

Process Development and Scale-up of Fully Synthetic Tetracycline TP-2758: A Potent Antibacterial Agent with Excellent Oral Bioavailability

Zhang, Wu-Yan,Sun, Cuixiang,Hunt, Diana,He, Minsheng,Deng, Yonghong,Zhu, Zhijian,Chen, Chi-Li,Katz, Christopher E.,Niu, John,Hogan, Philip C.,Xiao, Xiao-Yi,Dunwoody, Nicholas,Ronn, Magnus

, p. 284 - 296 (2016/03/04)

Process research and development of the fully synthetic broad spectrum tetracycline TP-2758, with a chiral pyrrolidine side chain at the C-8 position, is described. The process utilizes two key intermediates, 7 and 10, in a convergent approach that allows for manufacturing of sufficient quantities of API to supply preclinical and early clinical development. The pyrrolidine moiety was introduced into the left-hand piece (LHP) 10 with high enantioselectivity using Ellman's sulfinamide chemistry, and the absolute configuration was confirmed by X-ray crystal structure analysis.

Enantioselective synthesis of the lomaiviticin aglycon full carbon skeleton reveals remarkable remote substituent effects during the dimerization event

Lee, Hong Geun,Ahn, Jae Young,Lee, Amy S.,Shair, Matthew D.

, p. 13058 - 13062 (2011/02/24)

A full carbon skeleton of the natural product lomaiviticin has been synthesized. The approach features anionic annulation reactions to deliver A and B rings of the natural product, and stereoselective oxidative enolate coupling to form the central C2-C2′

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