Organic sulfuric acids and derivatives
Medchemexpress LLC Netilmicin (sulfate) | 56391-57-2 | 98.0% | C21H41N5O7.5/2H2SO4 | 25 MG
Netilmicin sulfate is a broad-spectrum semisynthetic aminoglycoside antibiotic. It exhibits antibacterial activity against aminoglycoside-susceptible gram-negative strains and aminoglycoside-resistant strains, including *Escherichia coli*, *Pseudomonas aeruginosa*, *Proteus*, *Staphylococcus aureus*, *Streptococcus*, *Serratia*, and *Enterobacter*.
- Broad-spectrum semisynthetic aminoglycoside antibiotic
- Demonstrates antibacterial activity against susceptible and resistant gram-negative strains
- Minimum inhibitory concentration (MIC) ranging from 0.125-8 μg/mL
- Shows in vivo antibacterial activity against clinically important bacteria
- Suitable for research on anti-infection and antibacterial compounds
Medchemexpress LLC Colistin (sulfate) | 1264-72-8 | 98.0% | 1 G
Colistin (sulfate) | 1264-72-8 | 98.0% | 1 G
Medchemexpress LLC Coptisine Sulfate | 1198398-71-8 | 417.39 | 25 MG
Coptisine Sulfate | 1198398-71-8 | 417.39 | 25 MG
Medchemexpress LLC Axelopran sulfate | 949904-50-1 | 99.1% | 555.68 | 1 MG
Axelopran sulfate is an opioid receptor antagonist with pKi values of 9.8, 8.8, and 9.9 for human recombinant μ and δ receptors and guinea pig κ receptor, respectively. It is provided as a solid, white to off-white compound and is soluble in DMSO.
- Opioid receptor antagonist
- Specific pKi values for human recombinant μ and δ receptors and guinea pig κ receptor
- Solid appearance
- White to off-white color
- Soluble in DMSO: ≥ 100 mg/mL
- For research use only
Medchemexpress LLC Bamethan hemisulfate | 5716-20-1 | 99.5% | 307.36 g/mol | C12H21NO6S | 10 MG
Bamethan hemisulfate is the hemisulfate salt of DL-bamethane, a small-molecule vasodilator supplied for research use. It is intended for studies of vascular function and blood flow and is provided as a well-characterized solid for analytical and experimental applications.
- Vasodilator for cardiovascular and hypertension research.
- High purity by HPLC suitable for analytical use.
- Solid form for accurate weighing and formulation.
- Stable when stored dry at recommended temperatures.
- Characterized by CAS 5716-20-1 and molecular weight 307.36 g/mol.
Medchemexpress LLC Guanethidine sulfate | 645-43-2 | 98.0% | 1 ML
Guanethidine sulfate is an antihypertensive agent that functions as an adrenergic neurone blocking agent. It gains entry into noradrenergic nerve terminals via the neuronal amine carrier.
- Functions as an antihypertensive agent
- Acts as an adrenergic neurone blocking agent
- Enters noradrenergic nerve terminals via the neuronal amine carrier
- Has a purity of 98.0%
- Solution stable for 6 months at -80°C
- Solution stable for 1 month at -20°C
Medchemexpress LLC Etimicin sulfate | 362045-44-1 | 99.6% | 50 MG
Etimicin (sulfate) is a fourth-generation aminoglycoside antibiotic. It is widely used clinically due to its high efficacy and low toxicity.
- Fourth-generation aminoglycoside antibiotic.
- High efficacy.
- Low toxicity.
Medchemexpress LLC FITC-dextran sulfate | 3,769.00 Da | 10 MG
FITC-dextran sulfate (MW 4 kDa) is a fluorescein-labeled sodium dextran sulfate (average molecular weight ≈4 kDa) supplied as a light yellow to yellow solid for research use. It is water-soluble and commonly used as a fluorescent tracer or probe in biological and biochemical assays.
- Fluorescently labeled with FITC for visualization in fluorescence assays.
- Average molecular weight ≈ 3,769 Da (reported ~4,000 Da).
- Degree of substitution 0.005.
- Light yellow to yellow solid for easy handling.
- Storage: protect from light; solid -20°C; in solvent -80°C (6 months) or -20°C (1 month).
- Loss on drying 1.20% (per COA).
- For research use only.
Medchemexpress LLC Vincristine sulfate | 2068-78-2 | 923.04 | 5 MG
Vincristine sulfate is an antitumor vinca alkaloid that inhibits microtubule formation in mitotic spindle, leading to an arrest of dividing cells at the metaphase stage. It binds to microtubule with a Ki of 85 nM.
- Antitumor vinca alkaloid
- Inhibits microtubule formation in mitotic spindle
- Results in arrest of dividing cells at the metaphase stage
- Binds to microtubule with a Ki of 85 nM
- Induces apoptosis in tumor cells
- Inhibits SH-SY5Y cell proliferation with IC50 of 0.1 μM
- Induces mitotic arrest and promotes expression of caspase-3 and -9 and cyclin B, while decreasing expression of cyclin D
Medchemexpress LLC Sitosterol sulfate (trimethylamine) | 521.37 | 25 MG
Sitosterol sulfate (trimethylamine) is an active compound that can be used in a variety of biological research applications. It is an off-white to light yellow solid with a molecular weight of 521.37 and a chemical formula of C32H59NO4S. The product has a purity of 95.0%. This compound is suitable for various biological research purposes and is for research use only.
- Active compound
- Guaranteed 95.0% purity
- Available as an off-white to light yellow solid
- Soluble in DMSO at 6.25 mg/mL (11.99 mM)
- Recommended storage at 4°C, protected from light
- In solvent, store at -80°C for 6 months or -20°C for 1 month, protected from light
Medchemexpress LLC Terbutaline (sulfate) | 23031-32-5 | 100.0% | 50 MG
Terbutaline sulfate (Standard) is an analytical standard and orally active β2-adrenergic receptor agonist. It is intended for research and analytical applications, such as qualitative, quantitative, and methodological experiments in HPLC, GC, and MS, and can be used in asthma symptom research.
- Analytical standard for research and analytical applications.
- Orally active β2-adrenergic receptor agonist.
- Active metabolite of bambuterol.
- Can be used in asthma symptom research.
- Suitable for HPLC, GC, and MS experiments.
- Appears as a solid.
- Melting/freezing point 246–248 °C.
- Relative density 1.184 g/cm³.
- Stable under recommended storage conditions.
- For laboratory and manufacturing use.
![Medchemexpress LLC Carbamic acid, N-[2-[(2-aminoethyl)dithio]ethyl]-, 1,1-dimethylethyl ester | 485800-26-8 | 95.0% | 252.40 g/mol | C9H20N2O2S2 | 250 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000203863.png-250.jpg)
Medchemexpress LLC Carbamic acid, N-[2-[(2-aminoethyl)dithio]ethyl]-, 1,1-dimethylethyl ester | 485800-26-8 | 95.0% | 252.40 g/mol | C9H20N2O2S2 | 250 MG
Boc-Cystamine is a Boc-protected cystamine used as a cleavable disulfide-containing linker for the synthesis of antibody-drug conjugates (ADCs). It is intended for research use in linker synthesis and conjugation workflows, and releases payloads under reducing intracellular conditions.
- Cleavable disulfide-containing linker for ADC synthesis.
- Used in linker synthesis and conjugation workflows.
- Purity 95.0%.
- CAS number 485800-26-8.
- Molecular weight 252.40 g/mol, formula C9H20N2O2S2.
- Supplied as a solid; common packaging includes 250 mg.
- Store protected from light and under inert atmosphere; in solvent: -80°C (6 months), -20°C (1 month).