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Endogenous Metabolite

Chemical structure


Product Name

CAS no.


  • YN372753 Guanidine hydrochloride 50-01-1

    Guanidine HCl, the crystalline compound of strong alkalinity formed by the oxidation of guanine, is a normal product of protein metabolism and a protein denaturant.

  • YN372677 Vitamin D2 50-14-6

    Vitamin D2 is a selective inhibitor of mammalian DNA polymerase A (pol A) with IC50 of 123 mM.

  • YN372798 Estriol 50-27-1

    Estriol is an antagonist of the G-protein coupled estrogen receptor in estrogen receptor-negative breast cancer cells.

  • YN372741 Estradiol 50-28-2

    Estradiol, or more precisely, 17β-estradiol, is a human sex hormone and steroid, and the primary female sex hormone.

  • YN371768 6-Mercaptopurine 50-44-2

    Mercaptopurine is a widely used antileukemic agent and immunosuppressive drug that inhibits de novo purine synthesis through incorporation of thiopurine methyltransferase metabolites into DNA and RNA.

  • YN374315 D-Ribose(mixture of isomers) 50-69-1

    D-ribose is a naturally occurring sugar involved in producing energy in the body and is also the structural basis of DNA and RNA.

  • YN372797 D-Sorbitol 50-70-4

    Sorbitol is a sugar alcohol and a sugar substitute.

  • YN373187 Thymidine 50-89-5

    Thymidine is a pyrimidine nucleoside that is composed of the pyrimidine base thymine attached to the sugar deoxyribose. As a constituent of DNA, thymidine pairs with adenine in the DNA double helix.

  • YN372792 D-Glucose 50-99-7

    Dextrose, a simple sugar (monosaccharide), is an important carbohydrate in biology.

  • YN372699 5-Fluorouracil 51-21-8

    Fluorouracil (5-Fluoracil, 5-FU) is a DNA/RNA synthesis inhibitor, which interrupts nucleotide synthetic by inhibiting thymidylate synthase (TS) in tumor cells.

  • YN372619 L-Hydroxyproline 51-35-4

    L-Hydroxyproline is a collagen-specific amino acid. It is used as a diagnostic marker of bone turnover and liver fibrosis.

  • YN372482 L-Thyroxine 51-48-9

    L-Thyroxine is a synthetic form of thyroxine and a hormone replacement drug.

  • YN374055 Tyramine 51-67-2

    Tyramine is a naturally occurring trace amine derived from the amino acid tyrosine and acts as a catecholamine releasing agent.

  • YN370720 Aldosterone 52-39-1

    Aldosterone is the primary mineralocorticoid. Aldosterone is a steroid hormone, and it is synthesized and secreted in response to renin-angiotensin system activation (RAS) or high dietary potassium by the zona glomerulosa (ZG) of...

  • YN374398 L-Cysteine hydrochloride 52-89-1

    L-cysteine Hydrochloride, also known as L-CYSTEINE or Cysteine HCL (anhydrous), is classified as a cysteine or a cysteine derivative that increases glutathione levels and is important for lung and brain function and liver det...

  • YN374397 L-Cysteine 52-90-4

    Cysteine is a naturally occurring, sulfur-containing amino acid which is important for protein synthesis, detoxification, and also exerts diverse metabolic functions.

  • YN371209 Tetrahydrocortisol 53-02-1

    Tetrahydrocortisol is cortisol metabolite. The urinary Tetrahydrocortisol/Tetrahydrocortisone ratio decreases with increasing 11β-hydroxysteroid dehydrogenase (11β-HSD) activity.

  • YN370647 Tetrahydrocortisone 53-05-4

    Tetrahydrocortisone is a stress-induced hormone. Tetrahydrocortisone is also a urinary metabolite of Cortisone derived from the reduction of Cortisone by 5-reductase.

  • YN372767 Estrone 53-16-7

    Estrone is an estrogenic hormone.

  • YN373184 Androsterone 53-41-8

    Androsterone is a steroid metabolite derived from sex hormones, which displays weak androgenic properties.


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