Emodin anthrone is a natural product belongs to the class of organic compounds known as anthracenes.?

THCA-A (CRM) is a certified reference material categorized as a phytocannabinoid.1 THCA-A is a common component of hashish but is non-psychoactive until heated via smoking, which converts it to Δ9-THC.

2,2'-Dipyridyl disulfide is a useful reagent for determination of sulfhydryl groups, preparation of amino acid active esters and the thio esters of phosphoric acid.