American Chemical Suppliers

A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.

Search for products or services, then visit the suppliers website for prices or more information.

Product
hEGF EGF, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture. Group: Fluorescence/luminescence spectroscopy. Alfa Chemistry Analytical Products 3
Heilaohuguosu G Heilaohuguosu G (compound 7) is a cyclolignan with hepatoprotective activity. Heilaohuguosu G against APAP toxicity with cell survival rates at 10 μM of 45.7% in HepG-2 cells [1]. Uses: Scientific research. Group: Natural products. CAS No. 2763689-78-5. Pack Sizes: 1 mg; 5 mg. Product ID: HY-N12706. MedChemExpress MCE
Hejiangin-A1 Hejiangin-A1 has antibacterial and antifungal activity. The source of Hejiangin-A1 is Odorrana hejiangensis, China, Asia. Grades: >97% by HPLC. BOC Sciences 4
Hejiangin-F1 Hejiangin-F1 has antibacterial and antifungal activity. The source of Hejiangin-F1 is Odorrana hejiangensis, China, Asia. BOC Sciences 4
HEK-293 Transfection Reagent Transfection Reagent for HEK293 Epithelial Kidney Cells. Optimized transfection protocol provided for transfection of siRNA, DNA, mRNA, and microRNA. Transfection Reagents. Transfection Enhancer. Complex Condenser. Uses: Transfection of DNA, RNA, protein and small molecules. Product ID: 1764. Altogen
Nevada, Texas, USA
Hel 13-5 Hel 13-5 is a cell-penetrating peptide that contains Leu and Lys residues in the ratio of 13:5. It binds to DNA and forms alpha-helical structures. It is used as an efficient way for gene transfer into cells and DNA transfection. Synonyms: H-Lys-Leu-Leu-Lys-Leu-Leu-Leu-Lys-Leu-Trp-Leu-Lys-Leu-Leu-Lys-Leu-Leu-Leu-OH; L-lysyl-L-leucyl-L-leucyl-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-lysyl-L-leucyl-L-tryptophyl-L-leucyl-L-lysyl-L-leucyl-L-leucyl-L-lysyl-L-leucyl-L-leucyl-L-leucine. Grades: >98%. CAS No. 177942-21-1. Molecular formula: C113H204N24O19. Mole weight: 2202.98. BOC Sciences 4
Hel 13-5 Hel 13-5 is a monomeric synthetic peptide based on the N-terminal segment of human SP-B. Hel 13-5 mainly is a-helical and consists of 13 hydrophobic and 5 hydrophilic amino acid residues. Hel 13-5 can be used in combination with phospholipids for developing pulmonary surfactant model systems [1] [2]. Uses: Scientific research. Group: Peptides. CAS No. 177942-21-1. Pack Sizes: 1 mg. Product ID: HY-P4371. MedChemExpress MCE
HeLa Cell Extract A HeLa cell (also Hela or hela cell) is a cell type in an immortal cell line used in scientific research. It is one of the oldest and most commonly used human cell lines. The line was derived from cervical cancer cells taken from Henrietta Lacks, a patient who eventually died of her cancer on October 4, 1951. The cell line was found to be remarkably durable and prolific as illustrated by its contamination of many other cell lines used in research. Group: Biologicals. Grades: Microbiological Grade. Pack Sizes: 100ug. US Biological Life Sciences. USBiological 3
Worldwide
HeLa Cell Lysate, Heat Shocked HeLa Cell Lysate (Heat Shocked) is useful in immunoblotting applications as a positive control for many antibodies, particularly those recognizing proteins induced by heat shock. The cells are grown, heat shocked for 2 hours at 44°C, and allowed to recover at 37°C for 5 to18 hours before harvest. The cells are then washed, lysed, sonicated, and resuspended in SDS-PAGE sample buffer. Group: Biologicals. Grades: Lysate. Pack Sizes: 200ug. US Biological Life Sciences. USBiological 1
Worldwide
HeLa Nuclear Extract Nuclear extract is prepared from human HeLa cells using a modified protocol of Dignam et al., which contains a variety of DNA-binding proteins and transcription factors. Group: Biologicals. Grades: Lysate. Pack Sizes: 50ug. US Biological Life Sciences. USBiological 1
Worldwide
HeLa Transfection Reagent Transfection Reagent for HeLa Cervix Adenocarcinoma Cells. Optimized transfection protocol provided for transfection of siRNA, DNA, mRNA, and microRNA. Transfection Reagents. Transfection Enhancer. Complex Condenser. Uses: Transfection of DNA, RNA, protein and small molecules. Product ID: 2086. Altogen
Nevada, Texas, USA
Helenalin Helenalin is an anti-inflammatory sesquiterpene lactone. Helenalin selectively inhibits transcription factor NF-κB by directly targeting p65. Helenalin has alkylating activity, targets the cysteine sulfhydryl groups in the p65 subunit of NF-κB, thereby inhibits its DNA binding [1] [2]. Uses: Scientific research. Group: Natural products. CAS No. 6754-13-8. Pack Sizes: 500 μg; 1 mg. Product ID: HY-119970. MedChemExpress MCE
Helenalin Helenalin. Uses: Designed for use in research and industrial production. Additional or Alternative Names: HELENALIN;(3as-(3aalpha,4alpha,4abeta,7aalpha,8alpha,9aalpha))-ethyl-3-methylene;[3as]-3,3aalpha,4alpha,4a,7aalpha,8,9,9aalpha-octahydro-4-hydroxy-4abeta,8alph;6alpha,8beta-dihydroxy-4-oxoambrosa-2,11(13)-dien-12-oicacid12,8-lactone;a-dimethyl-3-methyleneazuleno[6,5-b]-furan-2,5-dione;ambrosa-2,11(13)-dien-12-oicacid,6-alpha,8-beta-dihydroxy-4-oxo-,12,8-lacton;ambrosa-2,11(13)-dien-12-oicacid,6alpha,8beta-dihydroxy-4-oxo-,12,8-lactone;azuleno(6,5-b)furan-2,5-dione,3,3a,4,4a,7a,8,9,9a-octahydro-4-hydroxy-4a,8-dim. Product Category: Heterocyclic Organic Compound. Appearance: Powder. CAS No. 6754-13-8. Molecular formula: C15H18O4. Mole weight: 262.3. Purity: 0.98. IUPACName: (3aR,5R,5aR,8aR,9S,9aS)-9-hydroxy-5,8a-dimethyl-1-methylidene-3a,4,5,5a,9,9a-hexahydroazuleno[6,7-b]furan-2,8-dione. Canonical SMILES: CC1CC2C(C(C3(C1C=CC3=O)C)O)C(=C)C(=O)O2. Product ID: ACM6754138. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 4
Helenalin Helenalin is a sesquiterpene lactone found in Arnica montana and Arnica chamissonis foliosa. It is a highly toxic compound, with hepatic and lymphatic tissues particularly vulnerable to its effects. Synonyms: (3aR,5R,5aR,8aR,9S,9aS)-9-hydroxy-5,8a-dimethyl-1-methylidene-3a,4,5,5a,9,9a-hexahydroazuleno[6,7-b]furan-2,8-dione. CAS No. 6754-13-8. Molecular formula: C15H18O4. Mole weight: 262.305. BOC Sciences
Helenalin acetate Helenalin acetate, a natural NF-κB inhibitor, is a potent C/EBPβ inhibitor. Helenalin acetate has anti-inflammatory and anticancer activities [1]. Uses: Scientific research. Group: Natural products. CAS No. 10180-86-6. Pack Sizes: 1 mg; 5 mg. Product ID: HY-114519. MedChemExpress MCE
Heliamine Hydrochloride Heliamine Hydrochloride is an intermediate in the synthesis of tetrahydroisoquinoline derivatives with potential antitumor activities. Group: Biochemicals. Alternative Names: 1,2,3,4-Tetrahydro-6,7-dimethoxyisoquinoline Hydrochloride; 6,7-Bis(methyloxy)-1,2,3,4-tetrahydroisoquinoline Hydrochloride; 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline Hydrochloride; 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline monoHydrochloride; 6,7-Dimethoxy-3,4-dihydro-2(1H)-isoquinoline Hydrochloride;1,2,3,4-Tetrahydro-6,7-dimethoxyisoquinoline Hydrochloride. Grades: Highly Purified. CAS No. 2328-12-3. Pack Sizes: 10g. US Biological Life Sciences. USBiological 3
Worldwide
Helianthus tuberosus extract Helianthus tuberosus extract. Applications: 1. it can be used in pharmaceutical industry as raw material of drugs for insulin;2. it can be used in health product industry as natural functional edible polysaccharide;3. it can be used in cosmetic industry as raw material of low energy health food. Group: Others. Purity: 50%- 95%. Source: Inulin is a starchy substance found in a wide variety of fruits, vegetables, and herbs, including wheat, onions, bananas, leeks, artichokes, and asparagus. The inulin that is used for medicine is most commonly obtained by soaking chicory roots in hot water. Inulin is used for high blood fats, including cholesterol and triglycerides. It is also used for weight loss, constipation, and as a food additive to improve taste. Helianthus tuberosus extract; Synanthrin; Inulin. Cat No: EXTC-130. Creative Enzymes
Heliantriol B2 Heliantriol B2 is a natural compound which can be isolated from Chuquiraga erinacea and Monteverdia apurimacensis, etc. Synonyms: Lup-20(29)-ene-3,16,28-triol. Grades: 98%. CAS No. 61229-18-3. Molecular formula: C30H50O3. Mole weight: 458.71. BOC Sciences 6
Helical Multi-walled carbon nanotubes Helical Multi-walled carbon nanotubes. Uses: Designed for use in research and industrial production. Product Category: Carbon Nanotubes. Appearance: Color: Black. CAS No. 1333-86-4. Purity: >90%. Product ID: ACM1333864-29. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
Helical Multi-walled carbon nanotubes, Helical Multi-walled carbon nanotubes. Group: Carbon nano materials. CAS No. 308068-56-6. Alfa Chemistry Materials 5
HelicalMulti-walled carbon nanotubes Carbon black oil appears as a dark colored liquid with a petroleum-like odor. Less dense than water and insoluble in water. Vapors heavier than air.;Carbon, activated is a black grains that have been treated to improve absorptive ability. May heat spontaneously if not properly cooled after manufacture.;Carbon, animal or vegetable origin appears as a black powder or granular mixed with a tar or starch and water binder pressed into regular lumps or briquettes. Heats slowly and ignites in air especially if wet.;Graphite (natural) appears as a mineral form of the element carbon. Hexagonal crystals or thin leaf-like layers. Steel-gray to black with a metallic luster and a greasy feel. An electrical conductor. Used for high-temperature crucibles, as a lubricant and in "lead" pencils.;DryPowder; DryPowder, Liquid; DryPowder, PelletsLargeCrystals; DryPowder, PelletsLargeCrystals, WetSolid, OtherSolid, Liquid; DryPowder, WetSolid, Liquid; Liquid; OtherSolid; OtherSolid, GasVapor, Liquid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid, Liquid; WetSolid; WetSolid, Liquid;OtherSolid; PelletsLargeCrystals;DryPowder; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid; WetSolid;DryPowder; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals; DryPowder, WetSolid; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid… Alfa Chemistry Materials 7
Helicianeoide B Helicianeoide B. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Helicianeoide B. Product Category: Heterocyclic Organic Compound. Appearance: Yellow powder. CAS No. 496066-89-8. Molecular formula: C32H38O20. Mole weight: 742.63. Purity: 0.98. IUPACName: 3-[(2S,3R,4R,5R,6S)-4,5-dihydroxy-6-methyl-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxymethyl]oxan-2-yl]oxyoxan-2-yl]oxy-2-(3,4-dihydroxyphenyl)-5,7-dihydroxychromen-4-one. Canonical SMILES: CC1C(C(C(C(O1)OC2=C(OC3=CC(=CC(=C3C2=O)O)O)C4=CC(=C(C=C4)O)O)OC5C(C(C(C(O5)COC6C(C(C(CO6)O)O)O)O)O)O)O)O. Density: 1.838g/cm³. Product ID: ACM496066898. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
Helicid Helicid - Product ID: NST-10-8. Category: Carbohydrates. Alternative Names: Helicide, Hilicidum, 4-Formylphenyl beta-D-Allopyranoside, 4-(((2S,3R,4R,5S,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)benzaldehyde. Purity: 98%. Test method: HPLC. CAS No. 80154-34-3. Pack Sizes: 5g, 10g, 25g, 50g. Appearance: White to off-white powder. Molecular formula: C13H16O7. Mole weight: 284.26. Storage: -15 … -25 °C. NATURE SCIENCE TECHNOLOGIES
Helicid Helicid, which could be extracted from the roots of Helicia erratica Hook. f, could bind to hydrophobic pocket of human serum albumin with hydrophobic and hydrogen bond force. The binding site of Helicid in HSA was ascertained. Uses: Antidepressant. Synonyms: 4-b-D-Allopyranosyloxy)benzaldehyde. Grades: >98%. CAS No. 80154-34-3. Molecular formula: C13H16O7. Mole weight: 284.26. BOC Sciences 11
Helicide Helicide. Group: Biochemicals. Alternative Names: 4-Formylphenyl b-D-allopyranoside. Grades: Plant Grade. CAS No. 80154-34-3. Pack Sizes: 20mg. Molecular Formula: C13H16O7, Molecular Weight: 284.262. US Biological Life Sciences. USBiological 9
Worldwide
Helicin Helicin, found in Rosaceae, is a moderate syrB inducer. Helicon can be hydrolyzed by BglY enzyme [1] [2]. Uses: Scientific research. Group: Natural products. CAS No. 618-65-5. Pack Sizes: 5 mg; 10 mg; 25 mg. Product ID: HY-N7060. MedChemExpress MCE
Helioferin A It is produced by the strain of Mycogone rosea DSM 8822. It is a lipopeptide antifungal antibiotic. It has anti-candida albicans, gram-positive bacteria, mycobacterium activity with MIC of 1.5-5.0 μg/mL. Synonyms: Alaninamide, 1-(2-methyl-1-oxooctyl)-L-prolyl-2-amino-6-hydroxy-4-methyl-8-oxodecanoyl-L-alanyl-2-methylalanyl-L-isoleucyl-L-isoleucyl-2-methylalanyl-N-[2-[(2-hydroxyethyl)amino]-1-methylethyl]-2-methyl-. Grades: ≥98%. CAS No. 163365-06-8. Molecular formula: C57H104N10O12. Mole weight: 1121.49. BOC Sciences 5
Helioferin B It is produced by the strain of Mycogone rosea DSM 8822. It is a lipopeptide antifungal antibiotic. It has anti-candida albicans, gram-positive bacteria, mycobacterium activity with MIC of 1.5-5.0 μg/mL. Synonyms: Alaninamide, 1-(2-methyl-1-oxooctyl)-L-prolyl-6-hydroxy-4-methyl-8-oxo-2-aminodecanoyl-L-alanyl-2-methylalanyl-L-isoleucyl-L-isoleucyl-2-methylalanyl-N-[2-[(2-hydroxyethyl)methylamino]-1-methylethyl]-2-methyl-. Grades: ≥98%. CAS No. 163365-07-9. Molecular formula: C58H106N10O12. Mole weight: 1135.52. BOC Sciences 5
Heliomethylamine-d3 Hydrochloride Heliomethylamine-d3 Hydrochloride. Group: Biochemicals. Alternative Names: 3-(1,3-Benzodioxol-5-yl)-N,2-dimethylpropan-1-amine-d3 Hydrochloride. Grades: Highly Purified. Pack Sizes: 2.5mg. Molecular Formula: C12H15D3ClNO2, Molecular Weight: 246.73. US Biological Life Sciences. USBiological 3
Worldwide
Heliomethylamine Hydrochloride Heliomethylamine Hydrochloride. Group: Biochemicals. Alternative Names: 3-(1,3-Benzodioxol-5-yl)-N,2-dimethylpropan-1-amine Hydrochloride. Grades: Highly Purified. Pack Sizes: 50mg. Molecular Formula: C12H18ClNO2, Molecular Weight: 243.73. US Biological Life Sciences. USBiological 3
Worldwide
Heliomicin Heliomicin is an antifungal protein produced by the moth Heliothis virescens, commonly known as the tobacco budworm. Heliomicin is also a type of defensin which guards against fungi, bacteria, and viruses. BOC Sciences 4
Heliomicin Mutant Heliomicin Mutant is isolated from Heliothis virescens with antibacterial and antifungal activity. BOC Sciences 4
Heliomycin It is produced by the strain of Actinomyces flavochromogenes var. heliomycini. It is a quinone antibiotic. It can inhibit RNA formation, has strong anti-gram-positive bacterial activity, and has vasoconstriction effect. It is used to treat burns and pyoderma and can also be added to cosmetics. Synonyms: Geliomycin; Croceomycin; Heliomycin; Itamycin; Antibiotic A 3733A; 2H-Benzo(cd)pyrene-2,6(1H)-dione,3,5,7,10-tetrahydroxy-1,1,9-trimethyl-. Grades: >95% by HPLC. CAS No. 11029-70-2. Molecular formula: C22H16O6. Mole weight: 376.36. BOC Sciences 5
Heliotropine Crystals Heliotropine Crystals (Piperonal). CAS No. 120-57-0. FEMA No. 2911. Kosher: Y. VIGON Item # 500175. Categories: Speciality Ingrdients Suppliers, Flavors, Fragrances, Perfumers. Vigon
America & Internationally
Heliotropine Crystals Synthetic ex Sassafras Heliotropine Crystals Synthetic ex Sassafras. CAS No. 120-57-0. FEMA No. 2911. Kosher: Y. VIGON Item # 504484. Categories: Speciality Ingrdients Suppliers, Flavors, Fragrances, Perfumers. Vigon
America & Internationally
Heliotropine diethyl acetal Heliotropine diethyl acetal. Uses: Designed for use in research and industrial production. Additional or Alternative Names: PIPERONAL DIETHYL ACETAL;HELOITROPIN DIETHYL ACETAL;HELIOTROPINE DIETHYL ACETAL;5-(diethoxymethyl)-3-benzodioxole;5-diethoxymethyl-1,3-benzodioxole;1,3-Benzodioxole, 5-(diethoxymethyl)-;1,3-Benzodioxole-5-carbaldehyde diethyl acetal;3,4-Methylenedioxyben. Product Category: Heterocyclic Organic Compound. CAS No. 40527-42-2. Molecular formula: C12H16O4. Mole weight: 224.25. Purity: 0.96. IUPACName: 5-(diethoxymethyl)-1,3-benzodioxole. Canonical SMILES: CCOC(C1=CC2=C(C=C1)OCO2)OCC. Density: 1.141 g/cm³. ECNumber: 254-956-0. Product ID: ACM40527422. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 3
Heliotropine Natural Heliotropine Natural. CAS No. 120-57-0. FEMA No. 2911. Kosher: Y. VIGON Item # 500670. Categories: Speciality Ingrdients Suppliers, Flavors, Fragrances, Perfumers, Aromatherapy, Essetial Oils. Vigon
America & Internationally
Helioxanthin Helioxanthin and its analogues decreased cellular RNA levels of HBV and antigen expression as well as selective inhibition of HBV replication in a cell culture model. Helioxanthin analogue 8-1 exhibited anti-DHBV activity as demonstrated by quantification of viral DNA, RNA, covalently closed circular DNA and protein synthesis. Analogue 8-1 did not affect the stability of cellular macromolecules and did not have a sustained antiviral effect after drug removal. When DHBV replication was induced, virus-harbouring cells were more susceptible to the cytotoxicity of 8-1 than non-induced cells. Synonyms: ACH-126447; ACH 126447; ACH126447; HE-145; HE 145; HE145. Helioxanthin. Grades: >98%. CAS No. 18920-47-3. Molecular formula: C20H12O6. Mole weight: 348.31. BOC Sciences 10
Helioxanthin 8-1 Helioxanthin 8-1 is an analogue of helioxanthin, which exhibites significant in vitro anti-HBV/HCV/HSV-1/HIV activity. It showed the most potent antiHBV activity among those helioxanthin analogues tested. It exhibited moderately potent activity against HIV and effective inhibition on DHBV replication. It would therefore be promising to study helioxanthin analogues that contain a six-membered ring instead of the five-membered ring found in the lactam. Synonyms: Helioxanthin 8 1; Helioxanthin analogue 8-1; Helioxanthin analogue 8 1. Grades: >98%. CAS No. 840529-13-7. Molecular formula: C20H12N2O6. Mole weight: 376.32. BOC Sciences 10
Helioxanthin derivative 5-4-2 Helioxanthin derivative 5-4-2 had potent anti-HBV activities in HepG2.2.15 cells, with the EC50s of 1 and 0.08 microM, respectively. The lamivudine-resistant HBV, L526M/M550V double mutant strain, was also sensitive to helioxanthin and 5-4-2. This class of compounds not only inhibited HBV DNA, but also decreased HBV mRNA and HBV protein expression. The EC50 of HBV DNA inhibition was consistent with the EC50 of HBV 3.5 Kb transcript inhibition, which was 1 and 0.09 microM for helioxanthin and 5-4-2 respectively. Synonyms: Helioxanthin 5-4-2; Helioxanthin 5 4 2. Grades: >98%. CAS No. 203935-39-1. Molecular formula: C20H13NO5. Mole weight: 347.32. BOC Sciences 10
Heliquinomycin It is produced by the strain of Streptomyces sp. MJ929-SF2. It has anti-DNA helicase activity with Ki value of 6.8 X 10-6 mol/L. It has strong anti-gram-positive bacteria (including MR-SA) activity (MIC is 0.05-0.39 μg/mL), but has no effect on gram-negative bacteria and fungi. It has anti-tumor activity on HeLa S3, L1210, IMC, B16 and FS-3 cells with IC50 (μg/mL) of 1.6, 0.97, 1.56, 0.88 and 0.83, respectively. Its acute toxicity is low, LD50 is 100 mg/kg (mouse, enterocoelia). Synonyms: NSC 702208; Rubymycin. Grades: >95%. CAS No. 178182-49-5. Molecular formula: C33H30O17. Mole weight: 698.58. BOC Sciences 5
Heliquinomycin (Rubymycin, NSC 702208) Antibiotic. DNA helicase inhibitor. Inhibits the DNA helicase activity of the human minichromosome maintenance (MCM) 4/6/7 complex. Topoisomerase I and II inhibitor (weaker than DNA helicase). DNA and RNA synthesis inhibitor in cell culture. Does not inhibit protein synthesis. Induces cell cycle arrest. Anticancer compound. Antibacterial against Gram-positive bacteria. Group: Biochemicals. Grades: Purified. CAS No. 178182-49-5. Pack Sizes: 250ug, 500ug. Molecular Formula: C33H30O17. US Biological Life Sciences. USBiological 4
Worldwide
Hellebrigenin Hellebrigenin is an anticancer agent that induces DNA damage, mitochondria collapse, cell cycle arrest and apoptosis. Synonyms: Bufotalidin; (3S,5S,8R,9S,10S,13R,14S,17R)-3,5,14-trihydroxy-13-methyl-17-(6-oxopyran-3-yl)-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-10-carbaldehyde. CAS No. 465-90-7. Molecular formula: C24H32O6. Mole weight: 416.514. BOC Sciences 8
Hellebrin Hellebrin is a cardiotoxin that acts as an ATPase inhibitor. It potently inhibits the Na+/K+-ATPase and was shown to significantly reduce the oxygen consumption rate in cardenolide- and bufadienolide-treated cells, reflecting a direct impact on mitochondrial oxidative phosphorylation. It exhibits anticancer effects. Synonyms: NSC 93134; Neuro_000039. Grades: ≥99%. CAS No. 13289-18-4. Molecular formula: C36H52O15. Mole weight: 724.8. BOC Sciences 10
Helmets Helmets. Group: Polymers. Alfa Chemistry Materials 4
HELN_HELVI Heliocin HELN_HELVI Heliocin is isolated from Heliothis virescens. It has antibacterial activity, preferentially against Gram-negative bacteria. BOC Sciences 4
Helodermin Helodermin is a vasoactive intestinal peptide-like peptide in the salivary gland venom of the lizard Heloderma suspectum. Synonyms: Exendin 2. CAS No. 89468-62-2. Molecular formula: C176H285N47O49. Mole weight: 3843.42. BOC Sciences 5
helper-component proteinase Known from many potyviruses. The helper component-proteinase of the tobacco etch virus is a multifunctional protein with several known activities: the N-terminal region is required for aphid transmission and efficient genome amplification, the central region is required for long-distance movement in plants, and the C-terminal domain has cysteine endopeptidase activity. Type example of peptidase family C6. Group: Enzymes. Synonyms: HC-Pro. Enzyme Commission Number: EC 3.4.22.45. CAS No. 124566-20-7. 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-4220; helper-component proteinase; EC 3.4.22.45; 124566-20-7; HC-Pro. Cat No: EXWM-4220. Creative Enzymes
Helvecardin A It is produced by the strain of Pseudonocardia compacta subsp. Helvetica SANK 65185. It is a glycopeptidtic antibiotic. It has strong activity of anti-aerobic and anaerobic gram-positive bacteria, including methicillin-resistant Staphylococcus aureus, but its protective effect against staphylococcus aureus infection in mice is lower than vancomycin. Synonyms: Avoparcin alpha, 49-chloro-2C-O-methyl-; 49-Chloro-2'''''-O-methylavoparcin &alpha. CAS No. 119979-33-8. Molecular formula: C90H103Cl2N9O36. Mole weight: 1957.74. BOC Sciences 5
Helvecardin B It is produced by the strain of Pseudonocardia compacta subsp. Helvetica SANK 65185. It is a glycopeptidtic antibiotic. It has strong activity of anti-aerobic and anaerobic gram-positive bacteria, including methicillin-resistant Staphylococcus aureus, but its protective effect against staphylococcus aureus infection in mice is lower than vancomycin. Synonyms: 49-Chloro-7-O-de(α-D-mannopyranosyl)-2'''''-O-methylavoparcin α; Avoparcin alpha, 49-chloro-7-O-de-alpha-D-mannopyranosyl-2C-O-methyl-. CAS No. 119979-34-9. Molecular formula: C84H93Cl2N9O31. Mole weight: 1795.58. BOC Sciences 5
Helveticoside Helveticoside (Strophanthidin-digitoxoside) is a helveticosid, possesses an ED 50 of 0.17 μM for isolated guinea-pig ileum. Helveticoside has anticancer effect [1] [2]. Uses: Scientific research. Group: Natural products. Alternative Names: Strophanthidin-digitoxoside. CAS No. 630-64-8. Pack Sizes: 1 mg. Product ID: HY-N12520. MedChemExpress MCE
Helvetolide® Helvetolide®. CAS No. 141773-73-1. VIGON Item # 503096. Categories: Speciality Ingrdients Suppliers, Fragrances, Perfumers, musk propanoate. Vigon
America & Internationally
Helvolic acid It is produced by the strain of Aspergillus fumigatus mut. helvola, Cephalosporium caerulens. It is a steroidal antibiotic. It has anti-gram-positive bacterial activity. The mice were killed by intraperitoneal injection of 1mg for 24h. Synonyms: Fumigacin; Helvolsaeure; NSC 319943; (4alpha, 6beta, 8alpha, 9beta, 13alpha, 14beta, 16beta, 17beta)-6, 16-bis(acetyloxy)-3, 7-dioxo-29-nordammara-1, 17(20), 24-trien-21-oic acid. Grades: ≥98%. CAS No. 29400-42-8. Molecular formula: C33H44O8. Mole weight: 568.70. BOC Sciences 5
Helvolic acid Helvolic acid (Fumigacin) is an antibiotic isolated from Xylaria sp , active against the Gram-positive bacteria [1]. Uses: Scientific research. Group: Natural products. Alternative Names: Fumigacin. CAS No. 29400-42-8. Pack Sizes: 5 mg; 10 mg; 25 mg; 1 mg. Product ID: HY-N6728. MedChemExpress MCE
helvolinic acid It is produced by the strain of Cephalosporium caerulens. It is a steroidal antibiotic. It has anti-gram-positive bacterial activity. Synonyms: (8α, 9β, 13α, 14β, 17Z)-16β-(Acetyloxy)-7α-hydroxy-3, 6-dioxo-29-nor-5α-dammara-1, 17(20), 24-trien-21-oic acid; 29-Nor-8a,9b,13a,14b-dammara-1,17(20),24-trien-21-oicacid,7a,16b-dihydroxy-3,6-dioxo-, 16-acetate, (Z)-(8Cl). Grades: >95%. CAS No. 10072-61-4. Molecular formula: C31H42O7. Mole weight: 526.66. BOC Sciences 5
HEMADO HEMADO is a selective and high affinity adenosine A3 receptor agonist (Ki = 1.1, 327, 1230 and > 30,000 nM for human A3, A1, A2A and A2B receptors, respectively). Synonyms: 2-(1-Hexynyl)-N-methyladenosine. Grades: ≥99% by HPLC. CAS No. 403842-38-6. Molecular formula: C17H23N5O4. Mole weight: 361.4. BOC Sciences 10
HEMADO HEMADO. Group: Biochemicals. Grades: Purified. CAS No. 403842-38-6. Pack Sizes: 10mg, 50mg. US Biological Life Sciences. USBiological 5
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Hemagglutinin, Filamentous from Bordetella pertussis lyophilized powder. Group: Fluorescence/luminescence spectroscopy. Alfa Chemistry Analytical Products 3
Hematein Hematein is a stain for the cell nuclei of animal tissue. Also suggested to possess use as a stain for myelin sheaths and nerve fibers. An oxidized version of hematoxylin. Color index: 75290. Group: Biochemicals. Grades: Highly Purified. CAS No. 475-25-2. Pack Sizes: 250g, 1g. Molecular Formula: C16H12O6, Molecular Weight: 300.26. US Biological Life Sciences. USBiological 3
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Hematein Hematein is a oxidation product of hematoxylin acted as a dye. Hematein is an allosteric casein kinase II inhibitor with an IC50 of 0.74 μM. Hematein inhibits Akt/PKB Ser129 phosphorylation, the Wnt/TCF pathway and increases apoptosis in lung cancer cells. Uses: Designed for use in research and industrial production. Product Category: Inhibitors. CAS No. 475-25-2. Molecular formula: C16H12O6. Mole weight: 300.26. Purity: 0.749. Product ID: ACM475252. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
Hematein Hematein is a oxidation product of hematoxylin acted as a dye [1]. Hematein is an allosteric casein kinase II inhibitor with an IC 50 of 0.74 μM. Hematein inhibits Akt/PKB Ser129 phosphorylation, the Wnt/TCF pathway and increases apoptosis in lung cancer cells [2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 475-25-2. Pack Sizes: 10 mM * 1 mL; 500 mg; 1 g. Product ID: HY-119751. MedChemExpress MCE
Hematin Hematin. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 2-))-hydroxy-;ferrihemate;ferriheme;ferrihemehydroxide;ferrihemicacid;ferriporphyrinhydroxide;ferriprotoporphyrinbasic;ferriprotoporphyrinixhydroxide. Appearance: Dark crystals with metalic luster. CAS No. 15489-90-4. Molecular formula: C34H33FeN4O5. Mole weight: 633.49. Purity: technical. IUPACName: 3-[18-(2-carboxyethyl)-8,13-bis(ethenyl)-3,7,12,17-tetramethylporphyrin-21,23-diid-2-yl]propanoic acid; iron(2+); hydrate. Canonical SMILES: CC1=C(C2=CC3=NC(=CC4=C(C(=C([N-]4)C=C5C(=C(C(=N5)C=C1[N-]2)C=C)C)C)CCC(=O)O)C(=C3C)CCC(=O)O)C=C.O.[Fe+2]. ECNumber: 239-518-9. Product ID: ACM15489904. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
Hematin Hematin, an iron-containing porphyrin, inhibits the activity of clotting factors and also fibrin clot lysis through the mechanism of binding to and inactivation of hemostatic proteins [1]. Hematin can be used for the research of acute porphyrias and cancer [1] [2] [3] [4] [5]. Uses: Scientific research. Group: Signaling pathways. CAS No. 15489-90-4. Pack Sizes: 100 mg. Product ID: HY-W040030. MedChemExpress MCE
Hematin 94+% Hematin was used in a study to test in vitro activities of the Rx-01 oxazolidinones against hospital and community pathogens. It was also used in a study to test in-vitro bacterial identification using fluorescence spectroscopy with an optical fiber system. Group: Biochemicals. Grades: Reagent Grade. CAS No. 15489-90-4. Pack Sizes: 1g. Molecular Formula: C34H33N4O5Fe, Molecular Weight: 633.51. US Biological Life Sciences. USBiological 5
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Hematite Hematite. Uses: For analytical and research use. Group: Process materials, geological, cement & soils. Pack Sizes: 50G. Catalog: APS001870. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Hematonosis Compound Library A unique collection of 524 compounds related to hematologic diseases for high throughput screening (HTS) and high content screening (HCS); - Effective tool for research in functions of the hematologic system and related diseases, such as hemophilia, leukemia, β-thalassemia; - Detailed compound information with structure, target, activity, IC50 value, and biological activity description; - NMR and HPLC/LCMS validated to ensure high purity and quality. Uses: Scientific use. Product Category: L8400. Categories: Hematonosis Compounds Libraries. TARGETMOL CHEMICALS
Hematopoietic Toxicity Compound Library A unique collection of 101 compounds with defined hematopoietic toxicity for high throughput and high content drug screening; - Targets include HDAC, PPAR, DNA Alkylating, EGFR, etc. ; - Detailed compound information with structure, target, activity, IC50 value, and biological activity description; - Structurally diverse, medicinally active, and cell permeable; - NMR and HPLC validated to ensure high purity and quality. Uses: Scientific use. Product Category: L3100. Categories: Hematopoietic Toxicity Compounds Libraries. TARGETMOL CHEMICALS
Hematoporphyrin Hematoporphyrin is a substrate for affinity chromatography of heme-binding proteins. Synonyms: Photodyn; Sensibion. Grades: >98%. CAS No. 14459-29-1. Molecular formula: C34H38N4O6. Mole weight: 598.69. BOC Sciences 9
Hematoporphyrin dihydrochloride Hematoporphyrin dihydrochloride. Group: Biochemicals. Grades: Highly Purified. CAS No. 17696-69-4. Pack Sizes: 5g. US Biological Life Sciences. USBiological 7
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Hematoporphyrin dihydrochloride Hematoporphyrin dihydrochloride (Hematoporphyrin IX dihydrochloride), a photosensitizer, is a substrate for affinity chromatography of heme-binding proteins. Hematoporphyrin dihydrochloride can induce apoptosis in U87 glioma cells and decrease tumor growth in vivo when exposed to red light [1] [2] [3]. Uses: Scientific research. Group: Natural products. Alternative Names: Hematoporphyrin IX dihydrochloride. CAS No. 17696-69-4. Pack Sizes: 100 mg. Product ID: HY-B0754A. MedChemExpress MCE

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