Drug Standards
Medchemexpress LLC Phenytoin sodium | 630-93-3 | 99.8% | 1 ML
Phenytoin sodium is a potent blocker of Voltage-gated Na+ channels (VGSCs). It demonstrates antiepileptic activity and has been observed to reduce breast tumor growth and metastasis in mice.
- Potent voltage-gated Na+ channels blocker
- Exhibits antiepileptic activity for partial and generalized tonic-clonic seizures
- Protects against seizures by voltage-dependent block of voltage-gated sodium channels
- Shows low affinity for resting sodium channels
- Greater binding and block occur in depolarized neurons with open/inactivated channels
- Displays strong use-dependent inhibitory potency
- Selectively inhibits pathological hyperexcitability
- Blocks persistent sodium current
- Acts as a Class 1b antiarrhythmic
- Reduces breast tumor growth and metastasis in mice
- Can induce a model of gingival hyperplasia in mice
Medchemexpress LLC Tofacitinib impurity 4 | 384338-23-2 | 96.0% | 218.34 | 50 MG
Tofacitinib impurity 4 is an impurity of Tofacitinib. This product is designed for research use only.
- Appearance: Liquid
- Color: Colorless to light yellow
- Shipping: Room temperature in continental US; may vary elsewhere
- Storage: Pure form can be stored at -20°C for 3 years or 4°C for 2 years; in solvent, it can be stored at -80°C for 6 months or -20°C for 1 month
![eMolecules 34642-77-8 | Na-6-[D-a-Amino-p-hydroxyphenylacetamido]penicillanic acid | AA Blocks LLC | MFCD29050354 | 387.390 | C16H18N3NaO5S | 0.000 | [Na+].CC1(C)S[C@@H]2[C@H](NC(=O)C(N)c3ccc(O)cc3)C(=O)N2[C@H]1C([O-])=O | 1g | 436017942](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC3966500.jpg-250.jpg)
eMolecules 34642-77-8 | Na-6-[D-a-Amino-p-hydroxyphenylacetamido]penicillanic acid | AA Blocks LLC | MFCD29050354 | 387.390 | C16H18N3NaO5S | 0.000 | [Na+].CC1(C)S[C@@H]2[C@H](NC(=O)C(N)c3ccc(O)cc3)C(=O)N2[C@H]1C([O-])=O | 1g | 436017942
Na-6-[D-a-Amino-p-hydroxyphenylacetamido]penicillanic acid | AA Blocks LLC | 34642-77-8 | MFCD29050354 | 387.390 | C16H18N3NaO5S | 0.000 | [Na+].CC1(C)S[C@@H]2[C@H](NC(=O)C(N)c3ccc(O)cc3)C(=O)N2[C@H]1C([O-])=O | 1g | 436017942
Medchemexpress LLC Tenofovir Disoproxil | 201341-05-1 | 99.5% | 519.44 | 100 MG
Tenofovir Disoproxil is a nucleotide reverse transcriptase inhibitor. It is used to treat HIV and chronic Hepatitis B, and is intended for research use only.
- Nucleotide reverse transcriptase inhibitor
- Used to treat HIV
- Used to treat chronic Hepatitis B
- Solid appearance
- White to off-white color
- Purity 99.5%
- For research use only
Medchemexpress LLC Rosuvastatin lactone | 503610-43-3 | 98.6% | 463.52 | 50 MG
Rosuvastatin lactone is a metabolite of Rosuvastatin, an HMG-CoA inhibitor. It is intended for research use only and is not sold to patients. This product appears as a white to off-white solid.
- Purity: 98.6%
- Molecular weight: 463.52
- Chemical formula: C22H26FN3O5S
- Shipping: Room temperature in continental US
- Storage: Powder at -20°C for 3 years or 4°C for 2 years
- Storage: In solvent at -80°C for 6 months or -20°C for 1 month
- Solubility: 125 mg/mL in DMSO
Medchemexpress LLC Stearyl arachidate 25mg
Stearyl arachidate is a biochemical reagent that can be used as a biological material or organic compound for life science related research
Medchemexpress LLC Nitisinone | 104206-65-7 | 99.93% | 1 ML
Nitisinone is an orally active, competitive, and reversible 4-hydroxyphenylpyruvate dioxygenase (4-HPPD) inhibitor with an IC50 of 173 nM. It promotes tyrosine accumulation in a dose-dependent manner.
- Used in studies of hereditary tyrosinemia type 1 (HT-1)
- Used in studies of albinism
- Orally active
- Competitive and reversible 4-hydroxyphenylpyruvate dioxygenase (4-HPPD) inhibitor
Medchemexpress LLC Isradipine | 75695-93-1 | MFCD00153820 | >98.0% | 371.39 | C19H21N3O5 | 10 MG
Isradipine is a dihydropyridine L-type calcium channel blocker used in research to modulate Cav1 family channels and study calcium-dependent cellular processes. Supplied as a research-grade solid in small pack sizes, it has molecular formula C19H21N3O5 and molecular weight 371.39 g/mol. Purity is specified per lot on the Certificate of Analysis; commercial grades are commonly ≥98% (HPLC).
- Dihydropyridine L-type calcium channel blocker for research use.
- Suitable for studies of calcium-dependent signaling and neuroprotection.
- Available in small pack sizes including 10 mg for screening and assay work.
- Molecular formula C19H21N3O5, molecular weight 371.39 g/mol.
- CAS number 75695-93-1 for unambiguous identification.
- Purity specified per lot; commercial grades typically ≥98% (HPLC).
- Supplied as a solid; follow the Certificate of Analysis for storage instructions.
Medchemexpress LLC Avacopan | 1346623-17-3 | MFCD28502293 | 98.5% | 581.64 g·mol⁻¹ | C33H35F4N3O2 | 10 MG
Avacopan (CCX168) is a selective, orally active complement 5a receptor (C5aR) inhibitor supplied as a solid research chemical. It is used as a pharmacological tool in immunology and signaling studies, with reported potency at C5aR (IC50 = 0.1 nM). Typical analytical specifications include high purity and a defined molecular weight for reproducible experimental results.
- Selective C5aR inhibition with low-nanomolar potency.
- High listed purity suitable for analytical and biological assays.
- Solid powder format for convenient solution preparation.
- Defined molecular weight for analytical confirmation.
- Accompanied by a datasheet and certificate of analysis.
Medchemexpress LLC 11-oxo-mogroside V | 126105-11-1 | MFCD16038053 | 99.9% | 1285.42 | C60H100O29 | 10 MG
11-oxo-mogroside V is a plant-derived triterpenoid glycoside supplied as a white to off-white solid for research use. It exhibits antioxidant activity and is used in biochemical and pharmacological studies investigating reactive oxygen species and related cellular assays. Solubilize in DMSO for in vitro experiments and follow recommended storage conditions.