2. Isotope-Labeled Compounds
  3. Isotope-Labeled Steroids

Isotope-Labeled Steroids

Steroids are biologically active organic compounds with four rings arranged in a specific molecular configuration, three six-membered cyclohexane rings ( rings A, B and C ) and one five-member cyclopentane ring ( ring D). Steroid compounds mainly include sterols, bile acids and bile alcohols, steroid hormones, and steroid drugs etc. MedChemExpress ( MCE ) offers a broad range of Stable Isotope-Labeled Steroids which can be used as internal standards for the accurate quantitative GC/LC-MS analysis and involved in metabolomics.

Isotope-Labeled Steroids (357):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-15331
    VD3-d6 118584-54-6
    VD3-d6 is the deuterium labeled Vitamin D3; tools for determination of Vitamin D3 metabolites in human serum.
    VD3-d<sub>6</sub>
  • HY-B0141S1
    Estradiol-d4 66789-03-5 99.50%
    Estradiol-d4 is the deuterium labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway[1][2][3].
    Estradiol-d<sub>4</sub>
  • HY-N0324S
    Cholic acid-d4 116380-66-6 ≥99.0%
    Cholic acid-d4 is the deuterium labeled Cholic acid. Cholic acid is a major primary bile acid produced in the liver and usually conjugated with glycine or taurine. It facilitates fat absorption and cholesterol excretion.
    Cholic acid-d<sub>4</sub>
  • HY-18569S
    3-Indoleacetic acid-d5 76937-78-5 99.84%
    3-Indoleacetic acid-d5 is the deuterium labeled 3-Indoleacetic acid. 3-Indoleacetic acid-d5 can be used as internal standard for assay of IAA releases by alkaline hydrolysis of ester and amide conjugates[1].
    3-Indoleacetic acid-d<sub>5</sub>
  • HY-32349S
    Ercalcidiol-d3 1217467-39-4 99.86%
    Ercalcidiol-d3 is the deuterium labeled Ercalcidiol. Ercalcidiol is a metabolite of Vitamins D2. Ercalcidiol can be used as an indicator of vitamins D status.
    Ercalcidiol-d<sub>3</sub>
  • HY-N7142S1
    DL-Norepinephrine-d3 hydrochloride 1392208-07-9
    DL-Norepinephrine-d3 (hydrochloride) is the deuterium labeled DL-Norepinephrine hydrochloride[1]. DL-Norepinephrine hydrochloride is a synthetic phenylethylamine that mimics the sympathomimetic actions of the endogenous norepinephrine．DL-Norepinephrine hydrochloride is a neurotransmitter targets α1 and β1 adrenoceptors, has an increasing effect on subendocardial oxygen tension[2].
    DL-Norepinephrine-d<sub>3</sub> hydrochloride
  • HY-N1423S1
    Glycocholic acid-d5 2170091-95-7
    Glycocholic acid-d5 is the deuterium labeled Glycocholic acid. Glycocholic acid is a bile acid with anticancer activity, targeting against pump resistance-related and non-pump resistance-related pathways.
    Glycocholic acid-d<sub>5</sub>
  • HY-N1459S
    (24Rac)-Campesterol-d7 2483832-11-5
    Campesterol-d7 ((24R)-5-Ergosten-3β-ol-d7) is the deuterium labeled Campesterol. Campesterol is a plant sterol with cholesterol lowering and anticarcinogenic effects.
    (24Rac)-Campesterol-d7
  • HY-15330
    VD2-d3 1217448-46-8 98.60%
    VD2-d3 is the deuterium labeled vitamin D2.
    VD2-d<sub>3</sub>
  • HY-15328
    25-Hydroxy VD2-d6 1262843-46-8 98.96%
    25-Hydroxy VD2-d6 is the deuterium labeled 25-Hydroxy VD2.
    25-Hydroxy VD2-d<sub>6</sub>
  • HY-B1788S
    Taurocholic acid-d4 sodium 2410279-93-3 ≥99.0%
    Taurocholic acid-d4 (sodium) is the deuterium labeled Taurocholic acid. Taurocholic acid (N-Choloyltaurine) is a bile acid involved in the emulsification of fats.
    Taurocholic acid-d<sub>4</sub> sodium
  • HY-B0075S
    Melatonin-d4 66521-38-8
    Melatonin-d4 is deuterium labeled Melatonin. Melatonin is a hormone made by the pineal gland that can activates melatonin receptor. Antioxidative and anti-inflammatory properties[1][2][3]. Melatonin is a selective ATF-6 inhibitor and induces human hepatoma cell apoptosis through COX-2 downregulation[4].
    Melatonin-d<sub>4</sub>
  • HY-76847S
    Chenodeoxycholic Acid-d4 99102-69-9 99.19%
    Chenodeoxycholic Acid-d4 is the deuterium labeled Chenodeoxycholic Acid. Chenodeoxycholic Acid is a hydrophobic primary bile acid that activates nuclear receptors (FXR) involved in cholesterol metabolism.
    Chenodeoxycholic Acid-d<sub>4</sub>
  • HY-N0322S
    Cholesterol-d7 83199-47-7 ≥98.0%
    Cholesterol-d7 is the deuterium labeled Cholesterol. Cholesterol is the major sterol in mammals. It is making up 20-25% of structural component of the plasma membrane. Plasma membranes are highly permeable to water but relatively impermeable to ions and protons. Cholesterol plays an important role in determining the fluidity and permeability characteristics of the membrane as well as the function of both the transporters and signaling proteins. Cholesterol is also an endogenous estrogen-related receptor α (ERRα) agonist.
    Cholesterol-d<sub>7</sub>
  • HY-N7142S
    DL-Norepinephrine-d6 hydrochloride 1219803-04-9 99.88%
    DL-Norepinephrine-d6 (hydrochloride) is the deuterium labeled DL-Norepinephrine hydrochloride. DL-Norepinephrine hydrochloride is a synthetic phenylethylamine that mimics the sympathomimetic actions of the endogenous norepinephrine．DL-Norepinephrine hydrochloride is a neurotransmitter targets α1 and β1 adrenoceptors, has an increasing effect on subendocardial oxygen tension[1].
    DL-Norepinephrine-d<sub>6</sub> hydrochloride
  • HY-B0172S
    Lithocholic acid-d4 83701-16-0 99.22%
    Lithocholic acid-d4 is the deuterium labeled Lithocholic acid, which is a toxic secondary bile acid[1].
    Lithocholic acid-d<sub>4</sub>
  • HY-N0322S5
    Cholesterol-13C2 78887-48-6 99.14%
    Cholesterol-13C2 is the 13C labeled Cholesterol. Cholesterol is the major sterol in mammals. It is making up 20-25% of structural component of the plasma membrane. Plasma membranes are highly permeable to water but relatively impermeable to ions and protons. Cholesterol plays an important role in determining the fluidity and permeability characteristics of the membrane as well as the function of both the transporters and signaling proteins. Cholesterol is also an endogenous estrogen-related receptor α (ERRα) agonist.
    Cholesterol-<sup>13</sup>C<sub>2</sub>
  • HY-B0141S
    Estradiol-d3 79037-37-9 98.60%
    Estradiol-d3 is the deuterium labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway.
    Estradiol-d<sub>3</sub>
  • HY-113263S
    17a-Hydroxypregnenolone-d3 105078-92-0 ≥99.0%
    17a-Hydroxypregnenolone-d3 is the deuterium labeled 17a-Hydroxypregnenolone. 17a-Hydroxypregnenolone is a pregnane steroid. 17a-Hydroxypregnenolone is a prohormone in the formation of dehydroepiandrosterone (DHEA).
    17a-Hydroxypregnenolone-d<sub>3</sub>
  • HY-32351S
    Calcifediol-d3 140710-94-7 99.06%
    Calcifediol-d3 is a deuterium labeled Calcifediol. Calcifediol, a major circulating metabolite of vitamin D3, is a potent VDR inhibitor[1][2].
    Calcifediol-d<sub>3</sub>