2. Endocrinology

Endocrinology

Endocrinology

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Found in most species of the animal kingdom, the endocrine system consists of glands that secrete hormones, and receptors that detect and react to the hormones. In response to environmental stimuli, the endocrine system secretes hormones and uses them as chemical messengers to orchestrate physiological, developmental and reproductive changes that affect the entire body for a long period of time. In order to maintain the proper functioning of the body through its entire life cycle, the endocrine system utilizes a complex feedback mechanism to fine-tune the balance of hormones in the bloodstream. Even a slight disruption to endocrine system’s function can throw off the delicate balance of hormones in the human body and lead to an endocrine disorder, or endocrine disease, such as diabetes, adrenal insufficiency, hyper- or hypothyroidism, and polycystic ovary syndrome (PCOS).

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-32351BR
    3-epi-Calcifediol (Standard) 73809-05-9
    3-epi-Calcifediol (Standard) is the analytical standard of 3-epi-Calcifediol. This product is intended for research and analytical applications. 3-epi-25-hydroxy Vitamin D3 is the C-3 epimer of 25-hydroxy vitamin D3.1 Dietary administration of 3-epi-25-hydroxy vitamin D3 (0.5 and 1 IU/g) decreases levels of serum parathyroid hormone (PTH) in male, but not female, weanling rats.
    3-epi-Calcifediol (Standard)
  • HY-A0066AR
    Tolazoline hydrochloride (Standard) 59-97-2 98%
    Tolazoline (hydrochloride) (Standard) is the analytical standard of Tolazoline hydrochloride (HY-A0066A). This product is intended for research and analytical applications. Tolazoline hydrochloride (Imidaline hydrochloride) is an α-adrenergic receptor antagonist. Tolazoline hydrochloride inhibits Noradrenaline (HY-13715)-induced cell contraction, modulates vascular resistance, increases arterial pressure, and reverses bradycardia and tachypnea. Tolazoline hydrochloride can be used to study erectile dysfunction, α2-adrenergic receptor agonist-related poisoning, and skin vascular disease research.
    Tolazoline hydrochloride (Standard)
  • HY-A0142AR
    Dapiprazole hydrochloride (Standard) 72822-13-0 98%
    Dapiprazole (hydrochloride) (Standard) is the analytical standard of Dapiprazole (hydrochloride). This product is intended for research and analytical applications. Dapiprazole hydrochloride is a potent, selective and orally active alpha-1 adrenoceptor antagonist. Dapiprazole hydrochloride suppresses the opioid withdrawal symptoms. Dapiprazole hydrochloride is also used as eye drops for reversing mydriasis.
    Dapiprazole hydrochloride (Standard)
  • HY-B0084S3
    Dienogest-13C2,15N 98%
    Dienogest-13C2,15N (STS 557-13C2,15N) is 13C- and 15N-labeled Dienogest (HY-B0084).
    Dienogest-13C2,15N
  • HY-B0098AR
    Doxazosin mesylate (Standard) 77883-43-3
    Doxazosin (mesylate) (Standard) is the analytical standard of Doxazosin (mesylate). This product is intended for research and analytical applications. Doxazosin mesylate (UK 33274) is a quinazoline-derivative that selectively antagonizes postsynaptic α1-adrenergic receptors.
    Doxazosin mesylate (Standard)
  • HY-B0111RS
    Drospirenone-13C3 98%
    Drospirenone-13C3 is 13C labeled Drospirenone. Drospirenone (Dihydrospirorenone) is a synthetic progesterone that is an analog of Spironolactone.
    Drospirenone-13C3
  • HY-B0157AR
    Ketotifen fumarate (Standard) 34580-14-8
    Ketotifen (fumarate) (Standard) is the analytical standard of Ketotifen (fumarate). This product is intended for research and analytical applications. Ketotifen (HC 20-511) fumarate is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen fumarate can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen fumarate also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen fumarate can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention.
    Ketotifen fumarate (Standard)
  • HY-B0157S1
    Ketotifen-d3 126939-17-1 98%
    Ketotifen-d3 (HC 20-511-d3) is deuterium labeled Ketotifen. Ketotifen (HC 20-511) is an orally active second-generation noncompetitive histamine 1 (H1) receptor blocker and mast cell stabilizer. Ketotifen can block 6-phosphogluconate dehydrogenase (PGD) in vitro. Ketotifen also has antiviral activity against SARS-CoV-2 and Influenza virus. Ketotifen can be used to the research of autoimmune encephalomyelitis (EAE) and asthma attack prevention.
    Ketotifen-d3
  • HY-B0192AR
    Alfuzosin hydrochloride (Standard) 81403-68-1 98%
    Alfuzosin (hydrochloride) (Standard) is the analytical standard of Alfuzosin (hydrochloride). This product is intended for research and analytical applications. Alfuzosin (SL 77499-10) hydrochloride is an orally active, selective and competitive α1-adrenoceptor antagonist. Alfuzosin hydrochloride relaxes the muscles of the prostate and bladder neck, aiding in urination. Alfuzosin hydrochloride can be used in study of benign prostatic hyperplasia (BPH).
    Alfuzosin hydrochloride (Standard)
  • HY-B0192S3
    Alfuzosin-d6 1006717-31-2 98%
    Alfuzosin-d6 (SL 77499-d6) is deuterium labeled Alfuzosin. Alfuzosin (SL 77499-10) is an orally active, selective and competitive α1-adrenoceptor antagonist. Alfuzosin relaxes the muscles of the prostate and bladder neck, aiding in urination. Alfuzosin can be used in study of benign prostatic hyperplasia (BPH).
    Alfuzosin-d6
  • HY-B0194AR
    Tizanidine hydrochloride (Standard) 64461-82-1 98%
    Tizanidine hydrochloride (Standard) is the analytical standard of Tizanidine hydrochloride (HY-B0194A). This product is intended for research and analytical applications. Tizanidine hydrochloride, a skeletal muscle relaxant, is an orally effective central α2-adrenoceptor agonist (IC50 = 6.9 nmol). Tizanidine hydrochloride primarily exerts muscle relaxation effects by inhibiting the release of excitatory amino acids (glutamate and aspartate) from the presynaptic terminals of spinal cord interneurons. Tizanidine hydrochloride has anti-injury activity and can inhibit gastrointestinal (GI) transport. Tizanidine hydrochloride can inhibit the proliferation, migration, and invasion of lung cancer cells and induce cell apoptosis by upregulating Nischarin and inhibiting the AKT and Wnt3a/β-catenin signaling pathways. Tizanidine hydrochloride can be used to treat spasticity caused by diseases such as multiple sclerosis (MS), stroke, and spinal cord injury (SCI).
    Tizanidine hydrochloride (Standard)
  • HY-B0202S3
    Irbesartan-d7 98%
    Irbesartan-d7 is deuterated labeled Irbesartan (HY-B0202). Irbesartan (SR-47436) is an orally active Ang II type 1 (AT1) receptor blocker (ARB). Irbesartan can relax the blood vessels, low blood pressure and increase the supply of blood and oxygen to the heart. Irbesartan can be used for the research of high blood pressure, heart failure, and diabetic kidney disease.
    Irbesartan-d7
  • HY-B0214S1
    Prednisone-d7 98%
    Prednisone-d7 (Dehydrocortisone-d7) is deuterium labeled Prednisone. Prednisone (Adasone) is a corticosteroid agent with anti-inflammatory and immunosuppressive effects that can be used to study diseases related to systemic lupus erythematosus.
    Prednisone-d7
  • HY-B0214S3
    Prednisone-13C2,d2 98%
    Prednisone-13C2,d2 (Dehydrocortisone-13C2,d2) is 13C labeled Prednisone. Prednisone (Adasone) is a corticosteroid agent with anti-inflammatory and immunosuppressive effects that can be used to study diseases related to systemic lupus erythematosus.
    Prednisone-13C2,d2
  • HY-B0225BR
    Methyldopa hydrate (Standard) 41372-08-1 98%
    Methyldopa (hydrate) (Standard) is the analytical standard of Methyldopa (hydrate). This product is intended for research and analytical applications. Methyldopa hydrate (L-(-)-α-Methyldopa hydrate), a potent antihyoertensive agent, is an alpha-adrenergic agonist (selective for α2-adrenergic receptors). Methyldopa hydrate is a proagent and is metabolized (α-Methylepinephrine) in the central nervous system.
    Methyldopa hydrate (Standard)
  • HY-B0362AR
    Phentolamine mesylate (Standard) 65-28-1 98%
    Phentolamine (mesylate) (Standard) is the analytical standard of Phentolamine (mesylate). This product is intended for research and analytical applications. Phentolamine mesylate (Phentolamine methanesulfonate) is a reversible, non-selective, and orally active blocker of α1 and α2 adrenergic receptor that expands blood vessels to reduce peripheral vascular resistance. Phentolamine mesylate can be used for the research of pheochromocytoma-related hypertension, heart failure and erectile dysfunction.
    Phentolamine mesylate (Standard)
  • HY-B0371AR
    Terazosin hydrochloride dihydrate (Standard) 70024-40-7 98%
    Terazosin (hydrochloride dihydrate) (Standard) is the analytical standard of Terazosin (hydrochloride dihydrate). This product is intended for research and analytical applications. Terazosin hydrochloride dihydrate is a quinazoline derivative and a competitive and orally active α1-adrenoceptor antagonist. Terazosin hydrochloride dihydrate works by relaxing blood vessels and the opening of the bladder. Terazosin hydrochloride dihydrate has the potential for benign prostatic hyperplasia (BPH) and high blood pressure treatment.
    Terazosin hydrochloride dihydrate (Standard)
  • HY-B0371FR
    Terazosin hydrochloride (Standard) 63074-08-8 98%
    Terazosin (hydrochloride) (Standard) is the analytical standard of Terazosin (hydrochloride). This product is intended for research and analytical applications. Terazosin hydrochloride is a quinazoline derivative and a competitive and orally active α1-adrenoceptor antagonist. Terazosin hydrochloride works by relaxing blood vessels and the opening of the bladder. Terazosin hydrochloride has the potential for benign prostatic hyperplasia (BPH) and high blood pressure treatment.
    Terazosin hydrochloride (Standard)
  • HY-B0377S1
    Famotidine-13C 98%
    Famotidine-13C (MK-208-13C) is 13C labeled Famotidine. Famotidine (MK-208) is a competitive histamine H2-receptor antagonist. Its main pharmacodynamic effect is the inhibition of gastric secretion.
    Famotidine-13C
  • HY-B0381AR
    Betaxolol hydrochloride (Standard) 63659-19-8
    Betaxolol (hydrochloride) (Standard) is the analytical standard of Betaxolol (hydrochloride). This product is intended for research and analytical applications. Betaxolol Hydrochloride is a selective beta1 adrenergic receptor blocker that can be used for the research of hypertension and glaucoma.
    Betaxolol hydrochloride (Standard)
Cat. No. Product Name / Synonyms Application Reactivity