(-)-Nebivolol-[d4] Hydrochloride, is the labelled analogue of Nebivolol. Nebivolol, a highly selective β1-adrenergic receptor inhibitor, has vasodilatory effect so that could be effective against hypertension. It was just withdrawed a Phase II/III trial for Hypertension in patients with chronic obstructive pulmonary disease.

(−)-Neplanocin A potently and irreversibly inactivates SAH hydrolase (Ki = 8.39 nM). It has antitumor activity against mouse leukemia L1210 cells and broad-spectrum antiviral activity. Neplanocin A is more potent against vesicular stomatitis than the reversible SAH hydrolase inhibitor 3-deazaneplanocin (ID50 = 0.07 and 0.3 μg/ml, respectively).

(-)-Noe’s reagent is a chiral resolution reagent to separate racemic compounds into different mirror isomers and is an important tool for the production of optically active drugs.

(-)-NPPCC is a potent and selective 5-HT1A receptor agonist.

(-)-O-Desmethyl Tramadol-[d6], is the labelled analogue of Desmetramadol. Desmetramadol, also known as O-desmethyltramadol, is an opioid analgesic and the main active metabolite of tramadol.

(-)-O,O’-Di-p-toluoyl-L-tartaric Acid (CAS# 32634-66-5) is a useful reagent for the preparation of the upadacitinib salt compound.

(-)-O,O’-Dibenzoyl-L-tartaric Acid Monohydrate (CAS# 62708-56-9) is a useful research chemical.

(-)-O,O’-Dibenzylcoclaurine Hydrochloride is an intermediate in the synthesis of (+)-S-N-Methylcoclaurine Hydrochloride, (M294325), a structure analog of Coclaurine (C633550), a benzyltetrahydroisoquinoline alkaloid extracted from Magnolia salicifolia.

(-)-OSU-[d7], is the labelled analogue of (-)-OSU. (-)-OSU is a compound which acts as a partial agonist at both dopamine D2 receptors and 5-HT2A receptors.

(-)-p-Bromotetramisole Oxalate is a potent and non-specific alkaline phosphatase inhibitor.

(-)-PHNO hydrochloride is a potent and selective dopamine D2 agonist.

(-)-Phyllocladene is extracted from the leaves essential oil of Callicarpa macrophylla.

(-)-Pinoresinol is isolated from the bark of Eucommia ulmoides.

(-)-Pinoresinol 4-O-glucoside comes from Festuca argentina.

(-)-Praeruptorin B is a natural coumarin compound found in some plant.

(-)-PSI Reagent is used in the lab for stereocontrolled synthesis of phosphorothioate oligonucleotides, stereoisomers of cyclic dinucleotides (CDNs) and antisense oligonucleotides (ASOs).

(-)-Quinpirole hydrochloride is a selective dopamine D2 receptor agonist, with high affinity for the D2 and D3 dopamine receptor subtypes (Ki values are 4.8, ~24, ~30 and 1900 nM at D2, D3, D4 and D1 receptors respectively).

(-)-Rhododendrol isolated from the herbs of Rhododendron pentanthera.

(-)-Riboflavin 5-phosphate-[13C4,15N2] is the labelled analogue of FMN. FMN is a biological molecule produced by riboflavin kinase from riboflavin (vitamin B2). It has a role as a coenzyme, a bacterial metabolite, a human metabolite, a mouse metabolite and a cofactor.

It is the less common optical isomer of the mycotoxin, (+)-rugulosin. It is first isolated from myrothecium verrucaria. It is a mycotoxin with antiviral activity.

(-)-Sandaracopimaric Acid is a seamane diterpene found in the leaves of Wollemia nobilis and is used in self-defense against herbivores.

(-)-Sativan is purified from the leaves of birdsfoot trefoil. (-)-Sativan is a phytoalexin.

(-)-Scopolamine hydrochloride is an alkaloid and can be used as a cholinesterase inhibitor.

(-)-Scopolamine-[d3] hydrochloride is the labelled analogue of (-)-Scopolamine hydrochloride, which is a competitive non-selective mAChR M (muscarinic acetylcholine) antagonist.

A member of flavagline family of natural products from the genus of Aglaia, induces apoptosis in LNCaP cells through the mitochondrial/apoptosome pathway without activation of executioner caspase-3 or -7; 5’myc-UTR-LUC inhibtior with IC50 of 0.8 nM.

(-)-Sparteine sulfate pentahydrate is an alkaloid compound which could be used as in the treatment of antiarrhythmic by blocking sodium channel.

(-)-Syringaresinol is isolated from the rhizomes of Polygonatum kingianum. DL-Syringaresinol inhibits the proliferation of human promyelocytic HL-60 cells through G(1) arrest and induction of apoptosis, may be a potential chemotherapeutic agent for the treatment of cancer.

(-)-Syringaresnol-4-O-beta-D-apiofuranosyl-(1->2)-beta-D-glucopyranoside can be found in the Albizia julibrissin Duraz.

(-)-Tetrabenazine is one of Tetrabenazine impurities. Tetrabenazine is a VMAT-inhibitor used for treatment of hyperkinetic movement disorder. It is a monoamine-depleting and a dopamine-receptor-blocking drug and is an effective and safe drug for the treatment of a variety of hyperkinetic movement disorders.