The specification sheet from Sigma indicates that it is soluble at 25 mg/ml in acetic acid (unspecified concentration) and is also soluble at 0.3 (unspecified units) in 1 M HCl.

https://www.sigmaaldrich.com/catalog/DataSheetPage.do?brandKey=SIGMA&symbol=T5379

The specification sheet from Sigma indicates that it is soluble at 25 mg/ml in acetic acid (unspecified concentration) and is also soluble at 0.3 (unspecified units) in 1 M HCl.

https://www.sigmaaldrich.com/catalog/DataSheetPage.do?brandKey=SIGMA&symbol=T5379

Adam B Shapiro I will try it. Thank you very much!

Hi Marvin,

additional you can look here:

https://www.anaspec.com/content/pdfs/PeptidesolubilityguidelinesFinal.pdf

https://www.bachem.com/fileadmin/user_upload/pdf/Technical_Notes/Solubilization_of_Peptides.pdf

Article Powerful solvent systems useful for sparingly-soluble peptid...

https://www.lifetein.com/handling_and_storage_of_synthetic_peptides.html

Regards

Markus

Thanks, Markus Christ . Will try the suggestions in it also. :)