Steroids and derivatives
Medchemexpress LLC β-estradiol-6-CMO-PEG3-biotin | 2938875-38-6 | 97.8% | 759.95 g·mol⁻¹ | C38H57N5O9S | 1 MG
β-Estradiol-6-CMO-PEG3-biotin is a biotinylated estradiol derivative used as a cleavable three-unit polyethylene glycol (PEG3) linker for antibody-drug conjugate (ADC) synthesis. It provides a hydrophilic spacer and a biotin handle to facilitate conjugation, affinity capture, and detection in downstream assays.
- Cleavable three-unit PEG linker providing hydrophilicity and spacing.
- Biotin tag enables affinity capture and detection.
- High purity (97.82%) suitable for research applications.
- Soluble in DMSO at ≥ 50 mg/mL; use freshly opened DMSO.
- Stable as a powder at -20°C for up to 3 years; limited stability in solvent as specified by manufacturer.
Sigma Aldrich Fine Chemicals Biosciences Ethisterone >=99% (HPLC) | 434-03-7 | MFCD00003656 | 100G
Ethisterone >=99% (HPLC) | Purity: >=99% (HPLC) | Mol Wt: 312.45 | 434-03-7 | MFCD00003656 | 100G
Sigma Aldrich Fine Chemicals Biosciences Progesterone | 57-83-0 | MFCD00003658 | 100 g
Progesterone | Purity: ≥99% | Mol Wt: 314.46 | 57-83-0 | MFCD00003658 | 100 g
Sigma Aldrich Fine Chemicals Biosciences Prednisolone | 50-24-8 | MFCD00003649 | 100mg
Prednisolone | Purity: 99% | Mol Wt: 360.44 | 50-24-8 | MFCD00003649 | 100mg
Sigma Aldrich Fine Chemicals Biosciences beta-Estradiol 3-benzoate >=97% | 50-50-0 | MFCD00003692 | 5G
beta-Estradiol 3-benzoate >=97% | Purity: >=97% | Mol Wt: 376.49 | 50-50-0 | MFCD00003692 | 5G
Sigma Aldrich Fine Chemicals Biosciences Cholic acid from bovine and/or ovine, >=98% | 81-25-4 | MFCD00003672 | 1KG
Cholic acid from bovine and/or ovine, >=98% | Purity: >=98% | Mol Wt: 408.57 | 81-25-4 | MFCD00003672 | 1KG
Sigma Aldrich Fine Chemicals Biosciences beta-Estradiol 3-benzoate >=97% | 50-50-0 | MFCD00003692 | 200MG
beta-Estradiol 3-benzoate >=97% | Purity: >=97% | Mol Wt: 376.49 | 50-50-0 | MFCD00003692 | 200MG
Medchemexpress LLC Ciraparantag acetate | 1644388-83-9 | 98.0% | 10 MG
Ciraparantag acetate is a small-molecule, broad-spectrum reversal agent supplied as the acetate salt for research and preclinical use. It neutralizes a range of anticoagulants including low-molecular-weight heparins, unfractionated heparin, and certain direct oral anticoagulants; it is not indicated for vitamin K antagonists. For laboratory research only.
- Broad-spectrum reversal activity against multiple anticoagulant classes.
- Provided as an acetate salt suitable for research applications.
- High purity: 98.0%.
- Available in multiple pack sizes, including 10 mg.
- Molecular weight approximately 512.70 g/mol (free base reported).
- CAS number 1644388-83-9 for substance identification.
Medchemexpress LLC Paeonol-d3 | 55712-78-2 | 10 MG
Paeonol-d3 is a deuterium-labeled analogue of paeonol used as a tracer and internal standard in drug development and pharmacokinetic and metabolic studies. It is supplied as a powder and is suitable for quantitative analyses where isotopic labeling is required.
- Deuterium-labeled compound for tracer studies.
- Useful as an internal standard in quantitative analyses.
- Provided as a powder for convenient handling and storage.
- Available in small research pack sizes, such as 10 mg.
- Stable under recommended storage conditions for long-term use.
Sigma Aldrich Fine Chemicals Biosciences Prednisolone >=99% | 50-24-8 | MFCD00003649 | 5G
Prednisolone >=99% | Purity: >=99% | Mol Wt: 360.44 | 50-24-8 | MFCD00003649 | 5G
Sigma Aldrich Fine Chemicals Biosciences Deoxycorticosterone acetate | 56-47-3 | MFCD00003660 | 5G
Deoxycorticosterone acetate | Purity: >=98% (HPLC) | Mol Wt: 372.5 | 56-47-3 | MFCD00003660 | 5G
Sigma Aldrich Fine Chemicals Biosciences 17alpha-Hydroxyprogesterone >=95% | 68-96-2 | MFCD00003659 | 25G
17alpha-Hydroxyprogesterone >=95% | Purity: >=95% | Mol Wt: 330.46 | 68-96-2 | MFCD00003659 | 25G
Sigma Aldrich Fine Chemicals Biosciences Desoxycortone acetate European Pharmacopoeia (EP) Reference Standard | 56-47-3 | MFCD00003660 |
Desoxycortone acetate European Pharmacopoeia (EP) Reference Standard | Mol Wt: 372.5 | 56-47-3 | MFCD00003660 |
Sigma Aldrich Fine Chemicals Biosciences Cholic acid from bovine and/or ovine, >=98% | 81-25-4 | MFCD00003672 | 500G
Cholic acid from bovine and/or ovine, >=98% | Purity: >=98% | Mol Wt: 408.57 | 81-25-4 | MFCD00003672 | 500G