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1,7-Dimethyl-9H-fluoren-9-one is an intermediate in synthesizing 1,7-Dimethylfluorene (D465730), a product of the selenium dehydrogenation of gibberic acid. 1,7-Dimethylfluorene is also one of the many polyaromatic hydrocarbons (PAH) that are found within lake sediments, negatively impacting zoo plankton changes in the water, as well as the ecosystems that reside there. Group: Biochemicals. Grades: Highly Purified. CAS No. 441-97-4. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C15H12O, Molecular Weight: 208.26. US Biological Life Sciences.
Worldwide
1,7-Dimethylfluorene
1,7-Dimethylfluorene is a product of the selenium dehydrogenation of gibberic acid. 1,7-Dimethylfluorene is also one of the many polyaromatic hydrocarbons (PAH) that are found within lake sediments, negatively impacting zoo plankton changes in the water, as well as the ecosystems that reside there. Group: Biochemicals. Grades: Highly Purified. CAS No. 442-66-0. Pack Sizes: 5mg, 50mg. Molecular Formula: C15H14. US Biological Life Sciences.
Worldwide
2-Methyl-N-[ (4-methylphenyl) sulfonyl]benzamide
2-Methyl-N-[ (4-methylphenyl) sulfonyl]benzamide is an intermediate in synthesizing 1,7-Dimethylfluorene (D465730), a product of the selenium dehydrogenation of gibberic acid. 1,7-Dimethylfluorene is also one of the many polyaromatic hydrocarbons (PAH) that are found within lake sediments, negatively impacting zoo plankton changes in the water, as well as the ecosystems that reside there. Group: Biochemicals. Grades: Highly Purified. CAS No. 146448-53-5. Pack Sizes: 10mg, 25mg. Molecular Formula: C15H15NO3S, Molecular Weight: 289.35. US Biological Life Sciences.
Worldwide
3-(Methylseleno)-L-alanine
3-(Methylseleno)-L-alanine, a metabolite found in Escherichia coli (strain K12, MG1655), is an inhibitor of DMBA-induced mammary tumors. It has oral bioavailability and can induce cell apoptosis. Synonyms: Se-methylselenocysteine; Methylselenocysteine; (R)-2-Amino-3-(methylselanyl)propanoic acid; Selenium-methylselenocystine. Grades: ≥90%. CAS No. 26046-90-2. Molecular formula: C4H9NO2Se. Mole weight: 182.08.
6-hydroxynicotinate dehydrogenase
Contains [2Fe-2S] iron-sulfur centres, FAD and molybdenum. It also has a catalytically essential, labile selenium that can be removed by reaction with cyanide. In Bacillus niacini, this enzyme is required for growth on nicotinic acid. Group: Enzymes. Synonyms: 6-hydroxynicotinic acid hydroxylase; 6-hydroxynicotinic acid dehydrogenase; 6-hydroxynicotinate hydroxylase; 6-hydroxynicotinate:O2 oxidoreductase. Enzyme Commission Number: EC 1.17.3.3. CAS No. 122191-32-6. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1089; 6-hydroxynicotinate dehydrogenase; EC 1.17.3.3; 122191-32-6; 6-hydroxynicotinic acid hydroxylase; 6-hydroxynicotinic acid dehydrogenase; 6-hydroxynicotinate hydroxylase; 6-hydroxynicotinate:O2 oxidoreductase. Cat No: EXWM-1089.
Captopril EP Impurity D
3-Bromo-2-methylpropionic Acid is used in the preparation of captopril selenium analogs as antioxidants and ACE inhibitors used as antihypertensive drugs. Synonyms: (±)-3-Bromo-2-methylpropionic acid; NSC 201472; β-Bromoisobutanoic Acid. Grades: > 95%. CAS No. 56970-78-6. Molecular formula: C4H7BrO2. Mole weight: 167.
CdSeTe/ZnS Quantum Dots
We manufacture near-infrared (near-IR) CdSeTe/ZnS Quantum Dots with narrow band fluorescent emission wavelengths ranging from 700-880 nm. Our organic soluble CdSeTe/ZnS QDs are coated with lipophobic surfactants, while our dispersible, water soluble QDs are coated with hydrophilic surfactants with acid (-COOH), amine (-NH2), or diol (-CHOH-C2OH) terminal end groups. Group: other quantum dots. Alternative Names: Near Infrared (NIR) CdSeTe/ZnS QDs, CdSeTe/ZnS core/shell quantum dots, cadmium selenide telluride/zinc sulfide quantum dots, cd se te zn s quantum dots, cdsete zns quantum dots. Molecular formula: ~1.8x105-~2.8x106g/mol. Mole weight: CdSeTe/ZnS. CdSeTe/ZnSQuantumDots-700nm|CdSeTe/ZnSQuantumDots-720nm|CdSeTe/ZnSQuantumDots-760nm|CdSeTe/ZnSQuantumDots-780nm|CdSeTe/ZnSQuantumDots-820nm|CdSeTe/ZnSQuantumDots-840nm|CdSeTe/ZnSQuantumDots-860nm|CdSeTe/ZnSQuantumDots-880nm.
Fmoc-L-selenomethionine
Fmoc-selenomethionine can be introduced under standard conditions. Any selenoxide formed during synthesis can be easily reduced back to selenide by treatment with β-mercaptoethanol. Introduction of selenium can help facilitate solid phase and solution structural determination and the study of peptide-protein interactions. Uses: Fmoc solid-phase peptide synthesis. Group: Amino acids. Alternative Names: Fmoc-selenomethionine, N-Fmoc-L-amino-4-(methylselanyl)butanoic acid. CAS No. 1217852-49-7. Molecular formula: C20H21NO4Se. Mole weight: 418.4. Purity: Peak Area by HPLC ≥95%. Catalog: ACM1217852497.
L-Selenomethionine is the predominant food form of selenium with antioxidant activity. L-Selenomethionine has been shown to increase the activity of glutathione peroxidase in endothelial cells. It may be chemoprotective against certain cancers. Nutritional supplement in health care products. Uses: Ingredient of health care products. Synonyms: Selenomethionine; L-(+)-Selenomethionine; Selenium-L-methionine; L-Selenomethioninum; Seleno-L-methionine; H-Mse-OH; (2S)-2-amino-4-methylselanylbutanoic acid. Grades: 95%. CAS No. 3211-76-5. Molecular formula: C5H11NO2Se. Mole weight: 196.12.
L-(+)-Selenomethionine
Seleniated Detergents. Alternative Names: (S)-2-Amino-4-(methylseleno)butyric acid. CAS No. 3211-76-5. Molecular formula: C5H11NO2Se. Mole weight: 196.1. Appearance: White to off white powder. Purity: ≥98%. IUPACName: (2S)-2-amino-4-methylselanylbutanoic acid.
MJ33 lithium salt
MJ33 is a selective and reversible inhibitor of the acidic, calcium-independent (ai)PLA2 activity of Prdx6. Prdx6 is a bifunctional enzyme with both non-selenium glutathione peroxidase (Gpx) and PLA2 activities. Synonyms: 1-Hexadecyl-3-(trifluoroethyl)-sn-glycero-2-phosphomethanol, Li. Grades: ≥95%. CAS No. 1007476-63-2. Molecular formula: C22H43F3LiO6P. Mole weight: 498.5.
Native Escherichia coli Thioredoxin Reductase
Thioredoxin reductase (TrxR) is an NADPH-dependent oxidoreductase containing one FAD per subunit that reduces the active site disulfide in oxidised thioredoxin (Trx). The molecular weight of the isozymes from mammalian sources vary between 55-67 kDa as compared with 35 kDa in prokaryotes, plants or yeast. The substrate specificity of the mammalian enzyme is much broader than the prokaryotic enzyme reducing both mammalian and E. coli thioredoxins as well as well as non-disulfide substrates such selenite, lipoic acids, lipid hydroperoxides and hydrogen peroxide. Applications: Thioredoxin reductase from escherichia coli can be used in peroxidase-coupled thioredoxin system assay for assessing the peroxidase activitiy of cys-based thiol peroxidases. the product was used for determining the enzymatic activity of his6-ahp1p. Group: Enzymes. Synonyms: NADP-thioredoxi. Enzyme Commission Number: EC 1.8.1.9. CAS No. 9074-14-0. TrxR. Activity: >25 units/mg protein (Bradford). Storage: 2-8°C. Form: ammonium sulfate suspension; Suspension in 3.6 M (NH4)2SO4 containing 30 mM potassium phosphate buffer, pH 7.5, and 2 mM EDTA. Source: Escherichia coli. NADP-thioredoxin reductase; NADPH-thioredoxin reductase; thioredoxin reductase (NADPH); NADPH2:oxidized thioredoxin oxidoreductase; thioredoxin-disulfide reductase; EC 1.8.1.9; TrxR. Cat No: NATE-0718.
Native Rat Thioredoxin Reductase
Thioredoxin reductase (TrxR) is an NADPH-dependent oxidoreductase containing one FAD per subunit that reduces the active site disulfide in oxidised thioredoxin (Trx). The molecular weight of the isozymes from mammalian sources vary between 55-67 kDa as compared with 35 kDa in prokaryotes, plants or yeast. The substrate specificity of the mammalian enzyme is much broader than the prokaryotic enzyme reducing both mammalian and E. coli thioredoxins as well as well as non-disulfide substrates such selenite, lipoic acids, lipid hydroperoxides and hydrogen peroxide. Applications: Thioredoxin reductase from rat liver can be used for studying the uptake and reduction of a-lipoic acid... NADP-thioredoxin reductase; NADPH-thioredoxin reductase; thioredoxin reductase (NADPH); NADPH2:oxidized thioredoxin oxidoreductase; thioredoxin-disulfide reductase; EC 1.8.1.9; TrxR; 9074-14-0. Enzyme Commission Number: EC 1.8.1.9. CAS No. 9074-14-0. TrxR. Activity: > 100 units/mg protein (Bradford). Storage: -20°C. Form: buffered aqueous glycerol solution; Solution in 50 mM Tris-HCl, pH 7.5, 300 mM NaCl, 1 mM EDTA, and 10% glycerol. Source: Rat liver. Species: Rat. NADP-thioredoxin reductase; NADPH-thioredoxin reductase; thioredoxin reductase (NADPH); NADPH2:oxidized thioredoxin oxidoreductase; thioredoxin-disulfide reductase; EC 1.8.1.9; TrxR; 9074-14-0. Cat No: NATE-0713.
nicotinate dehydrogenase
A flavoprotein containing non-heme iron. The enzyme is capable of acting on a variety of nicotinate analogues to varying degrees, including pyrazine-2-carboxylate, pyrazine 2,3-dicarboxylate, trigonelline and 6-methylnicotinate. The enzyme from Clostridium barkeri also possesses a catalytically essential, labile selenium that can be removed by reaction with cyanide. Group: Enzymes. Synonyms: nicotinic acid hydroxylase; nicotinate hydroxylase. Enzyme Commission Number: EC 1.17.1.5. CAS No. 9059-3-4. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1083; nicotinate dehydrogenase; EC 1.17.1.5; 9059-03-4; nicotinic acid hydroxylase; nicotinate hydroxylase. Cat No: EXWM-1083.
Selenium Amino Acid Chelate
Selenium Amino Acid Chelate.
Selenium Shot
Selenium Shot is used in selenium-derived drugs like selenate, selenite, selenomethionine, methyl-selenocysteine (MSC), and methaneselenic acid (MSA), that exhibits anticancer properties clinically by sensitizing p-glycoprotein (p-gp)-overexpressing resistant KBV20C cancer cells. Group: Biochemicals. Grades: Highly Purified. CAS No. 7782-49-2. Pack Sizes: 5g, 25g. Molecular Formula: Se, Molecular Weight: 78.9599999999999. US Biological Life Sciences.
Worldwide
Selenomethionine
Selenomethionine is a naturally occurring amino acid containing selenium that has oral activity and is a common natural food source. Selenomethionine has antitumor activity [1] [2] [3]. Uses: Scientific research. Group: Natural products. Alternative Names: Seleno-DL-methionine; DL-Selenomethionine. CAS No. 1464-42-2. Pack Sizes: 10 mM * 1 mL; 50 mg; 100 mg; 500 mg. Product ID: HY-B1000.
serine-tRNA ligase
This enzyme also recognizes tRNASec, the special tRNA for selenocysteine, and catalyses the formation of L-seryl-tRNASec, the substrate for EC 2.9.1.1, L-seryl-tRNASec selenium transferase. Group: Enzymes. Synonyms: seryl-tRNA synthetase; SerRS; seryl-transfer ribonucleate synthetase; seryl-transfer RNA synthetase; seryl-transfer ribonucleic acid synthetase; serine translase. Enzyme Commission Number: EC 6.1.1.11. CAS No. 9023-48-7. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5642; serine-tRNA ligase; EC 6.1.1.11; 9023-48-7; seryl-tRNA synthetase; SerRS; seryl-transfer ribonucleate synthetase; seryl-transfer RNA synthetase; seryl-transfer ribonucleic acid synthetase; serine translase. Cat No: EXWM-5642.
Tetradecylphosphonic acid
98%. Uses: Tdpa can be used to cap copper nanoparticles to protect them from oxidation. it may also be used in the synthesis of cadmium sulfate (cds) core, which can be used in the fabrication of cadmium selenium (cdse)/cds core quantum dots (qds). it may also be coated on caesium lead bromide (cspbbr3) perovskite quantum dots for the development of white light emitting diodes (wled). Group: Self-assembly materials self assembly and contact printing materials. Alternative Names: TPA, TDPA. CAS No. 4671-75-4. Pack Sizes: 1 g/5 g/100 g. Product ID: tetradecylphosphonic acid. Molecular formula: 278.37 g/mol. Mole weight: C14H31O3P. CCCCCCCCCCCCCCP(=O)(O)O. InChI=1S / C14H31O3P / c1-2-3-4-5-6-7-8-9-10-11-12-13-14-18 (15, 16) 17 / h2-14H2, 1H3, (H2, 15, 16, 17). BVQJQTMSTANITJ-UHFFFAOYSA-N.
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