Message

  • Dear colleague from Australia: This signal should be assigned as water peak in CDCl3.

    Friday, November 30, 2018

  • Hi..Dear Nawal I am phd.studant plz could you help with my spectra analysis. i have H-nmr and c13 for my compound the same lupeol but i have one peak at 1.56(s) (2 ch3) this peak not the same lupeol? plz help me if you dont mind thank you so much

    Friday, November 02, 2018

  • Hello, Just went through your profile, such a rich profile you got.Please could you help with my spectra analysis

    Wednesday, October 17, 2018

  • Dear colleague from Colombia: I'm pleased to share these spectra with you.

    Sunday, September 25, 2016

  • Dear colleague: Please let me use your nmr spectra for educational purposes

    Sunday, September 25, 2016

  • Dear colleague: please send original NMR files to my email——wangfei.ac@foxmail.com

    Thursday, September 08, 2016

  • Dear Wang Can I please send my NMR chart for you to help me analyse them?

    Sunday, August 28, 2016

  • Dear colleague from France: please send original NMR files to my new email address -- wangfei.ac@foxmail.com.

    Friday, May 27, 2016

  • dear dr wng i kave send original nmr par email im from france

    Thursday, May 12, 2016

  • Dear Wail Abdullah from Egypt: The purity of most of 1H-NMR spectra is very low, and only the spectrum "B-313" can be determined as "Kaempferitrin". For details, please visit: http://www.chemlib.cn/en/product/view/1213

    Monday, November 09, 2015