Enediols

O6-Benzylguanine, 98%

CAS: 19916-73-5 Molecular Formula: C12H11N5O Molecular Weight (g/mol): 241.25 MDL Number: MFCD00269931 InChI Key: KRWMERLEINMZFT-UHFFFAOYSA-N Synonym: o6-benzylguanine,6-o-benzylguanine,6-benzyloxy-7h-purin-2-amine,o 6-benzylguanine,2-amino-6-benzyloxypurine,6-benzyloxy-9h-purin-2-amine,o 6-bgua,6-benzyloxy guanine,2-amino-6-benzyloxy purine,6-benzyloxyguanine PubChem CID: 4578 IUPAC Name: 6-phenylmethoxy-7H-purin-2-amine SMILES: NC1=NC(OCC2=CC=CC=C2)=C2NC=NC2=N1

Alkali Scientific L Ascorbic Acid [Vitamin C], 1 Kilogram

L-Ascorbic Acid (Vitamin C) is a potent antioxidant and biochemical reagent widely used in laboratory settings. Ascorbic acid plays an essential role in collagen synthesis, immune function, and iron absorption in the body. Available in a 1kg quantity, this reagent is used in biochemical research, formulation of pharmaceutical products, and as an antioxidant in food preservation. It is also used in cell culture and microbiological testing due to its ability to stabilize solutions and prevent oxidative degradation of samples. This form of vitamin C is crucial for studies on cellular processes, wound healing, and the synthesis of vital enzymes and coenzymes in both clinical and research environments.

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Alkali Scientific L Ascorbic Acid [Vitamin C], 250 Grams

Ascorbic Acid (Vitamin C), 250g is an essential biochemical reagent used in various research and industrial applications. Ascorbic acid is a potent antioxidant and a crucial cofactor in many enzymatic reactions, including the synthesis of collagen, neurotransmitters, and carnitine. It is widely used in biochemical, pharmaceutical, and biotechnology research. This 250g quantity is ideal for laboratories and manufacturers requiring consistent, high-quality Vitamin C for antioxidant studies, enzyme research, and vitamin supplementation. Ascorbic acid is also used in food and cosmetic formulations due to its preservative properties and ability to promote skin health. It plays a key role in the immune system and helps protect cells from oxidative stress.

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Alkali Scientific EGTA 0.5M Solution pH 8.0, 50 Milliliters

EGTA (Ethylene Glycol Tetraacetic Acid) 0.5M solution at pH 8.0 is a chelating agent specifically designed to bind calcium ions, commonly used in biochemical and molecular biology experiments. This 50mL solution is ideal for applications that require selective calcium ion sequestration, such as studies of calcium-dependent enzymes, protein interactions, and cellular signaling pathways. EGTA has a higher selectivity for calcium ions over magnesium, making it more effective than EDTA in applications where magnesium must be retained. This reagent is frequently used in cell biology research, enzymology, and biochemical assays to control calcium concentrations in vitro during cellular studies and protein analysis.

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Alkali Scientific L Ascorbic Acid [Vitamin C], 5 Kg

L-Ascorbic Acid [Vitamin C], 5 kg, is a laboratory-grade reagent available in bulk for large-scale use in chemical, pharmaceutical, and research applications. Vitamin C is a potent antioxidant with vital roles in protecting cells from oxidative stress, supporting collagen synthesis, and improving iron absorption. This bulk-sized package is ideal for laboratories and manufacturers involved in producing vitamin-enriched products, antioxidants, or dietary supplements. The high-quality reagent is also widely used in molecular biology, enzymology, and cell culture experiments. Its applications extend to food preservation, cosmetics, and pharmaceutical formulations, where it serves as an essential ingredient for stability and efficacy.

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Alkali Scientific L Ascorbic Acid [Vitamin C], 500 G

L-Ascorbic Acid [Vitamin C], 500g, is a laboratory-grade reagent used in a variety of biochemical and pharmaceutical applications. Ascorbic acid is a powerful antioxidant that plays a vital role in protecting cells from oxidative damage and is involved in collagen synthesis, immune function, and iron absorption. It is commonly used in cell culture media and as a reducing agent in chemical reactions. In laboratories, it is used for the synthesis of other compounds and as a preservative in food, cosmetic, and pharmaceutical products. This high-quality reagent is suitable for research and manufacturing processes that require accurate formulation and stability in experiments and formulations.

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Alkali Scientific EGTA [Ethylene glycol bis(2 aminoethylether) N,N,N',N' tetraacetic acid], 100 G

EGTA (Ethylene Glycol Bis(2-aminoethylether) N,N,N',N'-Tetraacetic Acid) is a chelating agent specifically designed to bind calcium ions with high affinity, making it ideal for use in biochemistry and molecular biology. This 100 g package is commonly used in laboratories for calcium ion control during protein analysis, enzyme assays, and cell biology research. EGTA is particularly effective in studies involving calcium-sensitive enzymes, as it binds calcium ions more selectively than other chelators like EDTA. Researchers use EGTA to inhibit calcium-dependent processes and to stabilize samples during biochemical and cell-based experiments. Its versatility and specificity make it a critical tool in understanding calcium’s role in cellular function.

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Alkali Scientific EGTA [Ethylene glycol bis(2 aminoethylether) N,N,N',N' tetraacetic acid], 500 Grams

EGTA (Ethylene Glycol Bis(2-Aminoethylether) N,N,N',N'-Tetraacetic Acid) is a high-purity chelating agent used primarily for calcium binding in laboratory experiments. The 500-gram quantity is ideal for large-scale applications in molecular biology, biochemistry, and analytical chemistry. EGTA is known for its ability to specifically chelate calcium ions, making it invaluable in experiments studying calcium-dependent processes, including enzyme activity, signal transduction, and muscle contraction. It is often used in protein assays, DNA analysis, and other biochemical applications where controlling calcium concentration is crucial. The reagent is available in analytical grade, ensuring consistency and accuracy in experimental results.

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Alkali Scientific EGTA [Ethylene glycol bis(2 aminoethylether) N,N,N',N' tetraacetic acid], 1 Gram

EGTA (Ethylene Glycol Bis(2-Aminoethylether)-N,N,N’,N’-Tetraacetic Acid) is a chelating agent primarily used in laboratory settings for calcium binding. This 1-gram vial is ideal for experiments requiring the removal of free calcium ions, essential for studying calcium-dependent processes such as signal transduction and enzyme activation. EGTA has a higher affinity for calcium compared to magnesium, making it effective in controlling calcium concentrations in biological assays. The reagent is used in various applications, including enzyme inhibition, protein assays, and cell biology research, where precise control over calcium levels is crucial for accurate experimental outcomes.

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Medchemexpress LLC 12-crown-4 | 294-93-9 | MFCD00005103 | 98.0% | 176.21 g·mol⁻¹ | C8H16O4 | 500 MG

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12-crown-4 is a crown ether (1,4,7,10-tetraoxacyclododecane) that selectively complexes small alkali metal cations, especially lithium. It is supplied as a high-purity reagent for use as a phase-transfer catalyst, ionophore, and ligand in synthetic and analytical chemistry.

• High purity suitable for analytical and synthetic applications.
• Selective complexation of lithium and other small alkali metal cations.
• Facilitates phase-transfer catalysis between immiscible solvents.
• Useful as an ionophore in coordination chemistry and sensing studies.
• Available in small laboratory pack sizes for bench-scale work.

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Medchemexpress LLC 1,4,7,10-tetraoxacyclododecane | 294-93-9 | MFCD00005103 | 98.0% | 176.21 g/mol | C8H16O4 | 1 G

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12-Crown-4 is a crown ether used as a phase-transfer catalyst and as a complexing agent for lithium ions in laboratory research. It promotes selective binding of small alkali metal cations and is used in synthetic, catalytic, and analytical workflows. Supplied for research use only.

• Effective phase-transfer catalyst for lithium ions.
• Selective complexation of small alkali metal cations.
• High purity (98.0%).
• Molecular weight 176.21 g/mol; formula C8H16O4.
• Available in small laboratory pack sizes suitable for research (for example, 1 g).
• CAS number 294-93-9 for unambiguous identification.

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