Drug Testing Standards

Nintedanib esylate (Standard) is the analytical standard of Nintedanib esylate. This product is intended for research and analytical applications. Nintedanib esylate (BIBF 1120 esylate) is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC₅₀s of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM, respectively.

Lenvatinib (mesylate) (Standard) is the analytical standard of Lenvatinib (mesylate). This product is intended for research and analytical applications. Lenvatinib mesylate (E7080 mesylate), an oral, multi-targeted tyrosine kinase inhibitor that inhibits VEGFR1-3, FGFR1-4, PDGFR, KIT, and RET, shows potent antitumor activities.

Cyclopenthiazide (Standard) is the analytical standard of Cyclopenthiazide. This product is intended for research and analytical applications. Cyclopenthiazide is a benzothiadiazine diuretic with antihypertensive properties. Cyclopenthiazide exerts a diuretic effect by inhibiting the reabsorption of sodium chloride and water at the distal renal tubules. Cyclopenthiazide increases the excretory capacity of the rat kidney.

Elinzanetant (NT-814) Standard is the analytical standard of Elinzanetant (NT-814) (HY-109171). This product is intended for research and analytical applications. Elinzanetant is an orally active and selective NK-1 and NK-3 receptor antagonist. Elinzanetant alleviates menopause-associated vasomotor symptoms, including hot flashes and night sweats. Elinzanetant reduces estradiol and progesterone levels. Elinzanetant can be used for the research of moderate to severe vasomotor and sleep disorders associated with menopause.

Berotralstat (Standard) is the analytical standard of Berotralstat. This product is intended for research and analytical applications. Berotralstat (BCX7353) is an orally active plasma kallikrein inhibitor. Berotralstat can reduce brain edema and is being studied for glioblastoma and hereditary angioedema.

Risdiplam (Standard) is the analytical standard of Risdiplam. This product is intended for research and analytical applications. Risdiplam (RG7916) is an orally administered, centrally and peripherally distributed SMN2 pre-mRNA splicing modifier that increases survival motor neuron (SMN) protein levels.

Pemigatinib (Standard) is the analytical standard of Pemigatinib. This product is intended for research and analytical applications. Pemigatinib (INCB054828) is an orally active, selective FGFR inhibitor with IC₅₀s of 0.4 nM, 0.5 nM, 1.2 nM, 30 nM for FGFR1, FGFR2, FGFR3, FGFR4, respectively. Pemigatinib has the potential for cholangiocarcinoma.

Difamilast (Standard) is the analytical standard of Difamilast. This product is intended for research and analytical applications. Difamilast (OPA-15406) is a topical, selective and nonsteroidal phosphodiesterase-4 (PDE4) inhibitor with particularly efficient inhibition of subtype B (IC₅₀=11.2 nM). Difamilast can be used for the research of mild to moderate atopic dermatitis (AD).

Tapinarof (Standard) is the analytical standard of Tapinarof. This product is intended for research and analytical applications. Tapinarof (WBI-1001) is a natural aryl hydrocarbon receptor (AhR) agonist with an EC₅₀ of 13 nM. Tapinarof resolves skin inflammation in mice.

Baloxavir (Standard) is the analytical standard of Baloxavir. This product is intended for research and analytical applications. Baloxavir (Baloxavir acid), derived from the proagent Baloxavir marboxil, is a first-in-class, potent and selective cap-dependent endonuclease (CEN) inhibitor within the polymerase PA subunit of influenza A and B viruses. Baloxavir inhibits viral RNA transcription and replication and has potently antiviral activity.

Delamanid (Standard) is the analytical standard of Delamanid. This product is intended for research and analytical applications. Delamanid, a newer mycobacterial cell wall synthesis inhibitor, inhibits the synthesisi of mucolic acids.

Emedastine (Standard) is the analytical standard of Emedastine. This product is intended for research and analytical applications. Emedastine is an orally active, selective and high affinity histamine H₁ receptor antagonist with a K_i value of 1.3 nM. Emedastine is a benzimidazole derivative with potent antiallergic properties and used for allergic rhinitis, allergic skin diseases and allergic conjunctivitis.

Cefodizime (Standard) is the analytical standard of Cefodizime. This product is intended for research and analytical applications. Cefodizime is a third generation cephalosporin antibiotic with a broad spectrum of antibacterial activity. Cefodizime has no renal toxic effect, good tolerance and immune regulation activity, and has the potential for severe infections of the respiratory and urinary tracts.

Sultiame (Standard) is the analytical standard of Sultiame. This product is intended for research and analytical applications. Sultiame is a carbonic anhydrase inhibitor, widely used as an antiepileptic agent.

Promestriene (Standard) is the analytical standard of Promestriene. This product is intended for research and analytical applications. Promestriene is a synthetic diethyl-ether of estradiol and a locally effective estrogen. Promestriene has an efficient action on vaginal atrophy while it is minimally absorbed.

Ethopropazine (hydrochloride) (Standard) is the analytical standard of Ethopropazine (hydrochloride) (HY-107922). This product is intended for research and analytical applications. Ethopropazine (Isothazine) hydrochloride is a potent and selective BChE inhibitor, a poor AChE inhibitor and a non-selective mAChR and NMDA antagonist. Ethopropazine hydrochloride has anticholinergic, antihistamine, antiadrenergic actions and properties. Ethopropazine hydrochloride alleviates thermal hyperalgesia in a dose dependent manner. Ethopropazine hydrochloride can be used for the research of Parkinson’s disease.

Inosine pranobex (Standard) is the analytical standard of Inosine pranobex. This product is intended for research and analytical applications. Inosine pranobex is an orally active immunomodulator. Inosine pranobex has broad-spectrum antiviral activity. Inosine pranobex inhibits human immunodeficiency virus (HIV), herpes simplex virus (HSV), vaccinia virus (VACV), human tumor virus (HPV), Cytomegalovirus, influenza virus (INFV), parainfluenza virus (PIV), and Epstein-Barr virus .

Abrocitinib (Standard) is the analytical standard of Abrocitinib. This product is intended for research and analytical applications. Abrocitinib (PF-04965842) is a potent, orally active and selective JAK1 inhibitor, with IC₅₀s of 29 and 803 nM for JAK1 and JAK2, respectively. Abrocitinib (PF-04965842) exhibits less active effect on TYK2 (IC₅₀, 1.253 μM), and inhibits phosphorylation of STAT1, STAT3 and STAT5 after stimulation. Effective in autoimmune disease.

Deserpidine (Standard) is the analytical standard of Deserpidine. This product is intended for research and analytical applications. Deserpidine (Harmonyl) is an alkaloid isolated from the root of Rauwolfia canescens related to Reserpine. Deserpidine is used as an antihypertensive agent and a tranquilizer. Deserpidine is a competitive angiotensin converting enzyme (ACE) inhibitor. Deserpidine also decreases angiotensin II-induced aldosterone secretion by the adrenal cortex.

Hydrocortisone buteprate (Standard) is the analytical standard of Hydrocortisone buteprate. This product is intended for research and analytical applications. Hydrocortisone buteprate (Hydrocortisone probutate) is a medium potent, non-halogenated double-ester of hydrocortisone with a favorable benefit/risk ratio for the treatment of inflammatory skin disorders. Hydrocortisone buteprate (Hydrocortisone probutate) is available as a 0.1% cream or ointment formulation.