{"product_id":"pyrethrin-ii-bhb21900183","title":"Pyrethrin II","description":"\u003cdiv class=\"bhp-desc\"\u003e\n\u003cstyle\u003e.bhp-desc{font-size:16px;color:#1a1a1a;line-height:1.7}.bhp-desc h2{font-size:18px;font-weight:700;color:#003366;margin:24px 0 10px;padding-bottom:6px;border-bottom:2px solid #003366}.bhp-desc p{margin:0 0 12px}.bhp-desc .bhp-spec-table{width:100%;border-collapse:collapse;margin:12px 0 18px}.bhp-desc .bhp-spec-table th{width:36%;text-align:left;padding:8px 12px;background:#e8f0fb;color:#003366;font-weight:600;vertical-align:top;border:1px solid #ccd9f0}.bhp-desc .bhp-spec-table td{padding:8px 12px;vertical-align:top;border:1px solid #ccd9f0}.bhp-desc .bhp-warning-box{background:#fff8e6;border-left:4px solid #e6a817;padding:10px 14px;margin:10px 0 14px;border-radius:0 4px 4px 0}.bhp-desc .bhp-cat-pill{display:inline-block;background:#003366;color:#fff;border-radius:20px;padding:3px 12px;font-size:13px;margin-bottom:10px}\u003c\/style\u003e\n\u003cspan class=\"bhp-cat-pill\"\u003eBioactive Small Molecules\u003c\/span\u003e\u003ch2\u003eCompound Overview\u003c\/h2\u003e\n\u003cp\u003ePyrethrin II is an orally active insecticidal ester of chrysanthemum acid, occurring in Chrysanthemum cinerariifolium and C. coccineum Willd. and serving as an active constituent of pyrethrum extract with low mammalian toxicity. It shows antiparasitic activity and can be used in research on allergic contact dermatitis and parasitic infections\u003csup\u003e[1][2][3][4]\u003c\/sup\u003e. It is supplied as a light yellow to yellow liquid (C22H28O5, MW 372.45) at 31.27% purity.\u003c\/p\u003e\n\u003ch2\u003ePhysical \u0026amp; Chemical Properties\u003c\/h2\u003e\n\u003ctable class=\"bhp-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCAS Number\u003c\/th\u003e\n\u003ctd\u003e121-29-9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMolecular Formula\u003c\/th\u003e\n\u003ctd\u003eC22H28O5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMolecular Weight\u003c\/th\u003e\n\u003ctd\u003e372.45 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity\u003c\/th\u003e\n\u003ctd\u003e31.27%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAppearance\u003c\/th\u003e\n\u003ctd\u003eLiquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight yellow to yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDensity\u003c\/th\u003e\n\u003ctd\u003e1.12±0.1 g\/cm3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStructure Classification\u003c\/th\u003e\n\u003ctd\u003eOthers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSMILES\u003c\/th\u003e\n\u003ctd\u003eCOC(\/C(C)=C\/[C@@H]1[C@H](C1(C)C)C(O[C@@H]2C(C)=C(C(C2)=O)C\/C=C\\C=C)=O)=O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignaling Pathway\u003c\/th\u003e\n\u003ctd\u003eAnti-infection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInitial Source\u003c\/th\u003e\n\u003ctd\u003ePlant — Solanaceae Lycium barbarum L.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSolubility\u003c\/th\u003e\n\u003ctd\u003eIn Vitro: DMSO: 100 mg\/mL (268.49 mM; Requires sonication; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003ePure form: -20°C, 3 years. In solvent: -80°C, 6 months; -20°C, 1 month.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping\u003c\/th\u003e\n\u003ctd\u003eRoom temperature in continental US; may vary elsewhere.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eLiterature Cited\u003c\/h2\u003e\n\u003cp style=\"font-size:14px;color:#555;margin:0 0 10px\"\u003e\u003cem\u003eSources cited in this description and in the In Vitro \u0026amp; In Vivo Data tab. Peer-reviewed publications that used this product are listed under References.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e [1]. \u003ca target=\"_blank\" rel=\"noopener\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21786822\/\"\u003eHata Y, et al. Antiplasmodial and antitrypanosomal activity of pyrethrins and pyrethroids. J Agric Food Chem. 2011 Sep 14;59(17):9172-6.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e [2]. \u003ca target=\"_blank\" rel=\"noopener\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/31917643\/\"\u003eQin X, et al. Residual determination of pyrethrins in Lycium barbarum (goji) by GC-MS\/MS and a dietary risk assessment of Chinese goji consumption. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2020 Mar;37(3):478-487.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e [3]. \u003ca target=\"_blank\" rel=\"noopener\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/5016611\/\"\u003eElliott M, et al. Metabolic fate of pyrethrin I, Pyrethrin II, and allethrin administered orally to rats. J Agric Food Chem. 1972 Mar-Apr;20(2):300-13.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e [4]. \u003ca target=\"_blank\" rel=\"noopener\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/5045949\/\"\u003eMitchell JC, et al. Allergic contact dermatitis from pyrethrum (Chrysanthemum spp.). The roles of pyrethrosin, a sesquiterpene lactone, and of pyrethrin II. Br J Dermatol. 1972 Jun;86(6):568-73.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eSafety\u003c\/h2\u003e\n\u003cdiv class=\"bhp-warning-box\"\u003e\u003cp\u003e\u003cstrong\u003eFor Research Use Only.\u003c\/strong\u003e Not for use in diagnostic or therapeutic procedures, and not for human or veterinary use. Handle in accordance with the Safety Data Sheet and your institution's chemical hygiene plan.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MedChemExpress (MCE)","offers":[{"title":"25 mg","offer_id":67604854440301,"sku":"HY-108170-25MG","price":60.0,"currency_code":"USD","in_stock":true},{"title":"50 mg","offer_id":67605036695917,"sku":"HY-108170-50MG","price":96.0,"currency_code":"USD","in_stock":true},{"title":"100 mg","offer_id":67605036728685,"sku":"HY-108170-100MG","price":156.0,"currency_code":"USD","in_stock":true},{"title":"200 mg","offer_id":67605036761453,"sku":"HY-108170-200MG","price":0.0,"currency_code":"USD","in_stock":true},{"title":"500 mg","offer_id":67605036794221,"sku":"HY-108170-500MG","price":0.0,"currency_code":"USD","in_stock":true},{"title":"1 mL x 10 mM (in DMSO)","offer_id":67605036826989,"sku":"HY-108170-1MLX10MM","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/hy-108170.gif?v=1790972880","url":"https:\/\/www.ebiohippo.com\/products\/pyrethrin-ii-bhb21900183","provider":"BioHippo","version":"1.0","type":"link"}