Steroids and derivatives
Medchemexpress LLC Estra-1,3,5(10)-triene-2,4,16,16-d4-3,17-diol, 3-(hydrogen sulfate), sodium salt, (17a)- | 352431-50-6 | 99.6% | 378.45 g/mol | C18H19D4NaO5S | 5 MG
17β-Estradiol sulfate-d4 (sodium) is a deuterium-labeled sodium salt of 17β-estradiol 3-sulfate supplied as a high-purity analytical standard for research use. It is intended as an internal standard or tracer in mass spectrometry and other quantitative assays to study estradiol metabolism and sulfate conjugates.
- Deuterium-labeled (d4) analog for isotope dilution and tracer studies.
- Sodium salt supplied as a solid, suitable for long-term storage.
- High purity (~99.6%) for analytical applications.
- Molecular formula C18H19D4NaO5S; molecular weight 378.45 g/mol.
- For research use only; not for human or clinical use.
Enzo Life Sciences U-73343 (5 mg). CAS: 142878-12-4
Inactive analog of U-73122 (BML-ST391) which only slightly inhibits phospholipase C. May be used as a negative control. Alternative name: 1-[6-[[(17beta)-3-Methoxyestra-1,3,5(10)-trien-17-yl]amino]hexyl]-pyrrolidine-2,5-dione. Purity: ≥98% (HPLC). Solubility: Soluble in methylene chloride or chloroform; slightly soluble in DMSO (2mg/ml) or 100% ethanol (1mg/ml); sparingly soluble in aqueous solutions. Long Term Storage: Ambient.
Medchemexpress LLC Alpha-estradiol | 57-91-0 | MFCD00064144 | 99.9% | 272.39 | C18H24O2 | 10 MG
Alpha-estradiol (analytical standard) is a reference material intended for analytical testing and method development. It is a weak estrogen and a 5α-reductase inhibitor supplied as a high-purity solid suitable for calibration, qualitative analyses, and quantitative assays in research and laboratory workflows.
- Analytical reference standard for research and method validation.
- High stated purity for accurate calibration (99.93%).
- Supplied as a solid for convenient handling and storage.
- Available in small pack sizes appropriate for analytical use (10 mg).
- Applicable to studies of estrogenic activity and 5α-reductase inhibition.
U.S. Pharmacopeia Dexamethasone, 50-02-2, MFCD00064136, 125mg
Molecular formula C22H29FO5, Molecular weight 392.46, Melting Point 503.6 - 507.2 °F (262 - 264 °C)
Medchemexpress LLC Trans-doxercalciferol | 74007-20-8 | MFCD01076571 | 98.2% | 412.65 | C28H44O2 | 10 MG
trans-Doxercalciferol is an isomer of doxercalciferol (a vitamin D2 analog) that activates the vitamin D receptor (VDR). Supplied as a research-grade powder for in vitro and analytical use, it has a molecular weight of 412.65 g/mol and a reported purity of 98.2%.
- Is an isomer of doxercalciferol and a vitamin D2 analog.
- Activates the vitamin D receptor (VDR) and is used in vitamin D signaling research.
- High reported purity (98.2%).
- Available in multiple pack sizes, including 10 mg.
- Powder storage: -20°C for long-term, 4°C for short-term stability.
Medchemexpress LLC 5,6-trans-ergocalciferol | 51744-66-2 | 98.8% | 396.65 | C28H44O | 10 MG
5,6-trans-Vitamin D2 is the 5,6-trans isomer of vitamin D2 supplied as an analytical standard for research and analytical applications. It is provided as an off-white to light yellow solid with high purity and defined chemical identifiers for use as a reference or control in analytical workflows.
- High purity suitable for analytical standards (98.77%).
- Available in small quantities for analytical use (5 MG, 10 MG, 25 MG, 50 MG, 100 MG).
- Chemical formula C28H44O, molecular weight 396.65, CAS 51744-66-2.
- Appearance off-white to light yellow solid.
- Storage: protect from light, store under nitrogen; in solvent: -80°C for 6 months, -20°C for 1 month; solid: -20°C.
- Includes structural identifiers for unambiguous identification in analytical methods.
Sigma Aldrich Fine Chemicals Biosciences beta Estradiol 17 beta D g25MG
beta Estradiol 17 beta D g25MG