Drug Standards
Apexbio Technology LLC Pyridostigmine Bromide 101-26-8 5g
Pyridostigmine Bromide (CAS 101-26-8) is a synthetic small molecule that functions as a reversible inhibitor of acetylcholinesterase By binding to the active site of the enzyme it impedes the hydrolysis of acetylcholine resulting in enhanced cholinergic transmission at neuromuscular junctions and within the parasympathetic nervous system Pyridostigmine is widely utilized in preclinical and clinical research to investigate cholinergic mechanisms model synaptic transmission and study disorders involving neuromuscular conduction Its application extends to the exploration of therapeutic approaches for diseases such as myasthenia gravis
Sigma Aldrich Fine Chemicals Biosciences Dimetindene maleate European Pharmacopoeia (EP) Reference Standard | 3614-69-5 |
Dimetindene maleate European Pharmacopoeia (EP) Reference Standard | Mol Wt: 408.49 | 3614-69-5 |
Cayman Chemical 2 5dimethyl Celecoxib
An anticancer celecoxib derivative; does not inhibit COX-2 (IC50 = >100 µM); inhibits mPGES-1 in HeLa cells (IC50 = 15.6 µM); reduces PGE2 production in HeLa, A549, and HCA-7 cells (IC50s = 0.64, 0.83, and 3.08 µM, respectively); inhibits proliferation of drug-sensitive RPMI8226 and multidrug-resistant 8226/Dox40 multiple myeloma cells; increases the rate of apoptosis in RPMI8226 and 8226/Dox40 cells at 20 and 30 µM; the antiproliferative effect of 2,5-dimethyl celecoxib is independent of mPGES-1 inhibition
Medchemexpress LLC Donepezil (S)-enantiomer | 142057-80-5 | MFCD00912833 | 379.49 g/mol | C24H29NO3 | 5 MG
(S)-Donepezil is the S-enantiomer of donepezil, a potent and selective acetylcholinesterase (AChE) inhibitor used in research to probe cholinergic signaling and AChE-related pathways. The compound is supplied as a solid and as a 10 mM solution in DMSO and is intended for research use only.
- Potent acetylcholinesterase inhibition suitable for biochemical and cellular assays.
- Available as powder and DMSO solution for flexible dosing and preparation.
- Known chemical formula C24H29NO3 and molecular weight 379.49 g/mol for accurate calculations.
- Storage recommendations provided to preserve stability (powder and in solvent conditions).
- Batch-specific purity and documentation available upon request to support experimental reproducibility.
Medchemexpress LLC Gemcitabine triphosphate trisodium | 110988-86-8 | 99.7% | 569.08 g·mol⁻¹ | C9H11F2N3Na3O13P3 | 10 MG
Gemcitabine triphosphate trisodium is the triphosphate metabolite of the nucleoside analog gemcitabine, provided as a research-grade standard for biochemical and cellular studies. Supplied as a high-purity trisodium salt, it is intended for use as an analytical standard in metabolism assays, uptake and retention studies, and imaging or radiolabeling experiments.
- High purity (99.7%) suitable for analytical applications.
- Supplied as a trisodium salt with molecular weight 569.08 g·mol⁻¹.
- Liquid, colorless to light yellow appearance for easy handling.
- Requires low-temperature storage at -80°C to maintain stability.
- Useful as a standard for assays measuring intracellular triphosphate levels.
- Applicable for radiolabeled probe imaging and uptake studies.
Medchemexpress LLC Ticagrelor impurity 26 | 1644461-85-7 | 99.4% | C23H28F2N6O5S | 5 MG
Ticagrelor impurity 26 is an off-white to light yellow solid with a purity of 99.4%. This chemical is for research use only and intended for experienced personnel in appropriately equipped and authorized facilities. It is stable under recommended storage conditions, but incompatible with strong acids/alkalis, and strong oxidizing/reducing agents. Hazardous decomposition products may be emitted under fire conditions.
- Off-white to light yellow solid appearance
- Purity (LCMS) of 99.4%
- Stable under recommended storage conditions
- For research use only
- Powder storage: -20°C for 3 years, 4°C for 2 years
- In solvent storage: -80°C for 6 months, -20°C for 1 month
![Medchemexpress LLC 2-[(3-chlorobenzoyl)amino]-3-(2-oxo-1H-quinolin-4-yl)propanoic acid | 90098-05-8 | MFCD30748222 | 100mg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000267329.png-250.jpg)
Medchemexpress LLC 2-[(3-chlorobenzoyl)amino]-3-(2-oxo-1H-quinolin-4-yl)propanoic acid | 90098-05-8 | MFCD30748222 | 100mg
Rebamipide impurity 1 is an impurity of Rebamipide (HY-B0360)
U.S. Pharmacopeia Taurine, 107-35-7, MFCD00008197, 100mg
Molecular formula C2H7NO3S, Molecular weight 125.15, Melting point/freezing point 572 °F (300 °C) (decomposes), Initial boiling point 230 °F (110 °C) (sublimes)
Sigma Aldrich Fine Chemicals Biosciences Methylprednisolone hydrogen succinate for peak identification European Pharmacopoeia (EP) Reference Standard | 2921-57-5 |
Methylprednisolone hydrogen succinate for peak identification European Pharmacopoeia (EP) Reference Standard | Mol Wt: 474.54 | 2921-57-5 |
Sigma Aldrich Fine Chemicals Biosciences Abacavir for peak identification European Pharmacopoeia (EP) Reference Standard | 188062-50-2 |
Abacavir for peak identification European Pharmacopoeia (EP) Reference Standard | Mol Wt: 670.74 | 188062-50-2 |
Medchemexpress LLC Oxibendazole | 20559-55-1 | MFCD00133728 | 99.6% | 249.27 | C12H15N3O3 | 10 MG
Oxibendazole is a benzimidazole anthelmintic research compound (CAS 20559-55-1) with reported apoptosis-inducing, anti-cancer, and anti-inflammatory activities. It is supplied for laboratory research in solid form or as DMSO solutions, with a reported purity of approximately 99.6% and a molecular weight of 249.27 g/mol.
- Effective benzimidazole anthelmintic against nematode infections.
- Induces apoptosis in preclinical studies, indicating potential anti-cancer activity.
- Available as solid or ready-to-use DMSO solution for experimental flexibility.
- High reported purity suitable for research applications.
- Well-defined chemical identity: molecular weight 249.27 g/mol, CAS 20559-55-1.
Medchemexpress LLC Itacitinib (INCB039110) | 1334298-90-6 | 99.97% | 553.51 | 1 MG
Itacitinib (INCB039110) is an orally active and selective inhibitor of JAK1, exhibiting an IC50 of 2 nM for human JAK1. It demonstrates over 20-fold selectivity for JAK1 compared to JAK2, and over 100-fold selectivity over JAK3 and TYK2. Itacitinib is currently utilized in research concerning myelofibrosis.
- Orally active and selective JAK1 inhibitor.
- IC50 of 2 nM for human JAK1.
- High selectivity: >20-fold over JAK2, and >100-fold over JAK3 and TYK2.
- Used in myelofibrosis research.