A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
LEATHERSPRAYINGBLUERL. Uses: Designed for use in research and industrial production. Product Category: Acid Dyes. CAS No. 12269-81-7. Product ID: ACM12269817. Alfa Chemistry ISO 9001:2015 Certified.
Lebocin
Lebocin is an antibacterial peptide isolated from Pseudoplusia includens. Synonyms: Pro-Asp-Phe-Lys-Leu-Pro-Gly-Met-Lys-Tyr-Pro-Ile-Pro-Ala-Thr-Thr-Pro-Pro-Phe-Val-Pro-Lys-Arg-Ser-Arg-Phe-Pro-Ile-Tyr-Ala. Grade: 97.5%. Molecular formula: C166H251N39O38S. Mole weight: 3433.
Lebocin-1/2 precursor
Lebocin-1/2 precursor is an antibacterial peptide isolated from Bombyx mori. It has activity against gram-positive bacteria and gram-negative bacteria. Synonyms: Asp-Leu-Arg-Phe-Leu-Tyr-Pro-Arg-Gly-Lys-Leu-Pro-Val-Pro-Thr-Pro-Pro-Pro-Phe-Asn-Pro-Lys-Pro-Ile-Tyr-Ile-Asp-Met-Gly-Asn-Arg-Tyr. Grade: 98.2%. Molecular formula: C179H271N45O43S. Mole weight: 3773.46.
Lebocin-3 precursor
Lebocin-3 precursor is an antibacterial peptide isolated from Bombyx mori. Synonyms: Asp-Leu-Arg-Phe-Leu-Tyr-Pro-Arg-Gly-Lys-Leu-Pro-Val-Pro-Thr-Leu-Pro-Pro-Phe-Asn-Pro-Lys-Pro-Ile-Tyr-Ile-Asp-Met-Gly-Asn-Arg-Tyr. Grade: 96.3%. Molecular formula: C180H275N45O43S. Mole weight: 3789.5.
Lebocin-4 precursor
Lebocin-4 precursor is an antibacterial peptide isolated from Bombyx mori. It has activity against gram-positive bacteria and gram-negative bacteria. Synonyms: Asp-Leu-Arg-Phe-Trp-Asn-Pro-Arg-Glu-Lys-Leu-Pro-Leu-Pro-Thr-Leu-Pro-Pro-Phe-Asn-Pro-Lys-Pro-Ile-Tyr-Ile-Asp-Met-Gly-Asn-Arg-Tyr. Grade: 97.3%. Molecular formula: C184H277N47O45S. Mole weight: 3899.57.
Lebocin-like anionic peptide 1
Lebocin-like anionic peptide 1 is an antibacterial peptide isolated from Galleria mellonella. It has activity against gram-positive bacteria and fungi. Synonyms: Glu-Ala-Asp-Glu-Pro-Leu-Trp-Leu-Tyr-Lys-Gly-Asp-Asn-Ile-Glu-Arg-Ala-Pro-Thr-Thr-Ala-Asp-His-Pro-Ile-Leu-Pro-Ser-Ile-Ile-Asp-Asp-Val-Lys-Leu-Asp-Pro-Asn-Arg-Arg-Tyr-Ala. Molecular formula: C215H334N58O68. Mole weight: 4819.36.
Lebrikizumab
Lebrikizumab (TNX-650) is an IgG4 humanized anti-interleukin-13 ( IL-13 ) mAb with anti-itch effects that specifically binds to IL-13 in a non-receptor binding domain and inhibits its function. Lebrikizumab inhibits the IL-13 driven Th2 inflammatory response and blocks the signaling of IL-4Rα/IL-13Rα1. Lebrikizumab can be used for the research of asthma, atopic dermatitis and neuroinflammatory diseases [1] [2] [3]. Uses: Scientific research. Group: Inhibitory antibodies. Alternative Names: TNX-650. CAS No. 953400-68-5. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-P99025.
Lecanemab (Mouse IGG2a)
Lecanemab (Mouse IGG2a) is a monoclonal antibody that targets soluble ?-amyloid and has the potential to reduce cognitive decline. The variable region of Lecanemab (Mouse IGG2a) is consistent with that of Lecanemab, while the constant region is of Mouse IGG2a sequence. Lecanemab (Mouse IGG2a) holds promise for research in the field of Alzheimer's disease[1]. Uses: Scientific research. Group: Inhibitory antibodies. Alternative Names: Mab158. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-P990110.
Lecideoidin
It is the depsidone isolated from a Lecidea sp. Synonyms: 11H-Dibenzo[b,e][1,4]dioxepin-7-carboxylic acid, 2,9-dichloro-3,8-dihydroxy-1,6-dimethyl-11-oxo-, methyl ester; 2,9-Dichloro-3,8-dihydroxy-1,6-dimethyl-11-oxo-11H-dibenzo[b,e][1,4]dioxepine-7-carboxylic acid methyl ester. CAS No. 72458-10-7. Molecular formula: C17H12Cl2O7. Mole weight: 399.18.
Lecithin
Lecithin. Uses: Designed for use in research and industrial production. Additional or Alternative Names: LECITHIN, FROM SOYBEAN;LECITHIN SOYA BEAN;LECITHIN (EX SOYBEANS);LECITHIN SOYBEAN;PC;PHOSPHATIDYLCHOLINE;VEGETABLE LECITHIN;fromsoybean/exsoya=Soyalecithin. Product Category: Heterocyclic Organic Compound. CAS No. 8052-43-5. Molecular formula: C40H82NO9P. Product ID: ACM8052435. Alfa Chemistry ISO 9001:2015 Certified.
Lecithin
Lecithin is regarded as a safe, conventional phospholipid source. Phospholipids are reported to alter the fatty acid composition and microstructure of the membranes in animal cells. Uses: Scientific research. Group: Natural products. Alternative Names: Polyene phosphatidylcholine. CAS No. 8002-43-5. Pack Sizes: 100 mg; 500 mg. Product ID: HY-B2235.
Lecithin
Lecithins vary greatly in their physical form, from viscous semiliquids to powders, depending upon the free fatty acid content. They may also vary in color from brown to light yellow, depending upon whether they are bleached or unbleached or on the degree of purity. When they are exposed to air, rapid oxidation occurs, also resulting in a dark yellow or brown color. Lecithins have practically no odor. Those derived from vegetable sources have a bland or nutlike taste, similar to that of soybean oil. Synonyms: E322; egg lecithin; LSC 5050; LSC 6040; mixed soybean phosphatides; ovolecithin; Phosal 53 MCT; Phospholipon 101 H; ProKote LSC; soybean lecithin; soybean phospholipids; Sternpur; vegetable lecithin. CAS No. 8002-43-5. Product ID: PE-0430. Category: Dispersant; Wetting Agents; Emulsifier; Stabilizer; Transdermal accelerator; Precursor drug carrier. Product Keywords: Dispersion Excipients; Emulsifier Excipients; Carrier Excipients; Stabilizers; PE-0430; Lecithin; Dispersant; Wetting Agents; Emulsifier; Stabilizer; Transdermal accelerator; Precursor drug carrier; ; 8002-43-5. UNII: NA. Chemical Name: Lecithin. Grade: Pharmceutical Excipients. Administration route: Inhalation; injection; otic preparations; oral ; rectal, topical, and vaginal. Dosage Form: Inhalations; IM and IV injections; otic preparations; oral capsules, suspensions and tablets; rectal, topical, and vaginal preparations. Stability and Storage Conditio
Lecithin
Lecithin has emulsification and lubricant properties, and is a surfactant. Group: Biochemicals. Grades: Highly Purified. CAS No. 8002-43-5. Pack Sizes: 250mg, 1g. Molecular Formula: N/A. US Biological Life Sciences.
Worldwide
Lecithin
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Lecithin Hydrogenated
Lecithin Hydrogenated. Group: Biochemicals. Grades: Highly Purified. CAS No. 92128-87-5. Pack Sizes: 50g, 100g, 250g, 500g, 1Kg. US Biological Life Sciences.
Worldwide
Lecithin liquid from Soy bean
250g Pack Size. Group: Analytical Reagents, Biochemicals, Organics. CAS No. 8002-43-5. Prepack ID 90029399-250g. See USA prepack pricing.
Lecithin liquid from Soy bean
500g Pack Size. Group: Analytical Reagents, Biochemicals, Organics. CAS No. 8002-43-5. Prepack ID 90029399-500g. See USA prepack pricing.
LEC/NCC-4 (CCL16) human
recombinant, expressed in E. coli, ?98% (SDS-PAGE), ?98% (HPLC), suitable for cell culture. Group: Fluorescence/luminescence spectroscopy.
Lectin, immobilized on Agarose CL-4B from Triticum vulgaris
for affinity chromatography. Group: Affinity.
Ledaborbactam
Iedaborbactam (VNRX-5236), as a β-lactamase inhibitor (WO2015191907, Example 62), can be used for the research of bacterial infections [1]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: VNRX-5236. CAS No. 1842397-36-7. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-132823.
Ledipasvir
Ledipasvir (GS-5885) is an inhibitor of the hepatitis C virus NS5A , with EC 50 s of 34 pM and 4 pM against genotype 1a and 1b replicon, respectively. Ledipasvir is also a SARS-CoV 3CL pro inhibitor with an IC 50 of 1.62 μM [3]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: GS-5885. CAS No. 1256388-51-8. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-15602.
Ledipasvir-[13C2,d6]
Ledipasvir-[13C2,d6] is the labelled derivative of Ledipasvir, an inhibitor of hepatitis C virus (HCV) non-structural protein 5A (NS5A). Synonyms: N-[(1S)?-1-[[(6S)?-6-[5-[9,?9-Difluoro-7-[2-[(1R,?3S,?4S)?-2-[(2S)?-2-[(methoxycarbonyl)?amino]?-3-methyl-1-oxobutyl]?-2-azabicyclo[2.2.1]?hept-3-yl]?-1H-benzimidazol-6-yl]?-9H-fluoren-2-yl]?-1H-imidazol-2-yl]?-5-azaspiro[2.4]?hept-5-yl]?carbonyl]?-2-methylpropyl]?-carbamic Acid Methyl Ester-13C2,D6; Ledipasvir 13C2,D6. Grade: ≥90% by CP. Molecular formula: C47[13C]2H48D6F2N8O6. Mole weight: 897.04.
Ledipasvir D-tartrate
Ledipasvir D-tartrate is an inhibitor of the hepatitis C virus NS5A , with EC 50 values of 34 pM against GT1a and 4 pM against GT1b replicon. Uses: Scientific research. Group: Signaling pathways. Alternative Names: GS-5885 D-tartrate. CAS No. 1502654-87-6. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-15602B.
Ledol
Ledol ((+)-Ledol) is an antifungal agent that can be isolated from the essential oil fractions of Rhododendron tomentosum. Ledol is also the expectorant and antitussive agent, which is simultaneously responsible for adverse reactions such as dizziness, nausea and vomiting [1]. Uses: Scientific research. Group: Natural products. Alternative Names: (+)-Ledol. CAS No. 577-27-5. Pack Sizes: 10 mg; 25 mg; 50 mg. Product ID: HY-121388.
LED Quantum Dots (Zinc Selenide /Zinc Sulphide Quantum Dots)
LED Quantum Dots (Zinc Selenide /Zinc Sulphide Quantum Dots). Group: other quantum dots.
Leelamine
Leelamine is an orally active pyruvate dehydrogenase kinase ( PDK ) inhibitor with an IC 50 value of 9.5 μM, showing a blood glucose lowering effect in the diabetic mouse. Leelamine is also a weak agonist of cannabinoid receptors CB1 and CB2. Leelamine decreases mitotic activity, prostate-specific antigen expression and induces Apoptosis to cell death in cancer cells [1] [2] [3]. Uses: Scientific research. Group: Signaling pathways. CAS No. 1446-61-3. Pack Sizes: 10 mM * 1 mL; 500 mg; 1 g. Product ID: HY-W005629.
Leelamine hydrochloride
Leelamine hydrochloride is a tricyclic diterpene molecule that is extracted from the bark of pine trees [1]. Leelamine hydrochloride is a cannabinoid receptor type 1 (CB1) agonist and a inhibitor of SREBP1-regulated fatty acid/lipid synthesis in prostate cancer cells that is not affected by androgen receptor status. Leelamine hydrochloride suppresses transcriptional activity of androgen receptor , which is known to regulate fatty acid synthesis [2,3]. Uses: Scientific research. Group: Natural products. CAS No. 16496-99-4. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-110028.
Lefamulin
Lefamulin (BC-3781) is an orally active antibiotic. Lefamulin inhibits protein synthesis by binding to the peptidyl transferase center of the 50S bacterial ribosome. Lefamulin has anti-inflammatory activity. Lefamulin can be used in the research of bacterial infections, such as bacterial pneumonia [1]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: BC-3781. CAS No. 1061337-51-6. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-16908.
Lefamulin acetate
Lefamulin (BC-3781) acetate is an orally active antibiotic. Lefamulin acetate inhibits protein synthesis by binding to the peptidyl transferase center of the 50S bacterial ribosome. Lefamulin acetate has anti-inflammatory activity. Lefamulin acetate can be used in the research of bacterial infections, such as bacterial pneumonia [1]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: BC-3781 acetate. CAS No. 1350636-82-6. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-16908A.
Leflunomide
Leflunomide inhibits the reproduction of rapidly dividing cells by inhbiting the mitochondrial enzyme dihydroorotate dehydrogenase (DHODH). Synonyms: Leflunomide, Arava, Leflunomidum, HWA-486; HWA486; HWA 486. Grade: >98%. CAS No. 75706-12-6. Molecular formula: C12H9F3N2O2. Mole weight: 270.21.
Leflunomide
100mg Pack Size. Group: Bioactive Small Molecules, Research Organics & Inorganics. Formula: C12H9F3N2O2. CAS No. 75706-12-6. Prepack ID 77117657-100mg. Molecular Weight 270.21. See USA prepack pricing.
Leflunomide
Leflunomide. Group: Biochemicals. Grades: Purified. CAS No. 75706-12-6. Pack Sizes: 50mg. US Biological Life Sciences.
Worldwide
Leflunomide
Leflunomide is a pyrimidine synthesis inhibitor, inhibiting dihydroorotate dehydrogenase (DHODH), and acts as a disease-modifying antirheumatic agent. Uses: Scientific research. Group: Natural products. Alternative Names: HWA486; RS-34821; SU101. CAS No. 75706-12-6. Pack Sizes: 10 mM * 1 mL; 100 mg; 500 mg. Product ID: HY-B0083.
Leflunomide 3-isomer
Leflunomide 3-isomer. Group: Biochemicals. Alternative Names: 5-Methyl-N-[3- (trifluoromethyl) phenyl]-4-isoxazolecarboxamide; Leflunomide imp. E (EP). Grades: Highly Purified. CAS No. 61643-23-0. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C12H9F3N2O2. US Biological Life Sciences.
An immunosuppressive. Group: Biochemicals. Alternative Names: 5- methyl isoxazole-4- [4-trifluoro methyl carboxanilide] . Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences.
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Leflunomide-[d4]
Leflunomide-[d4] is an isotope form of Leflunomide. Leflunomide inhibits the reproduction of rapidly dividing cells by inhbiting the mitochondrial enzyme dihydroorotate dehydrogenase (DHODH). Synonyms: Leflunomide-d4; 5-Methylisoxazole-4-[4-trifluoromethylcarboxanilide]-d4; Leflunomida-d4; 5-Methyl-N-[4-(trifluoromethyl)phenyl]-4-isoxazolecarboxamide-d4; Leflunomidum-d4. Grade: 95% by HPLC; 95% atom D. CAS No. 1189987-23-2. Molecular formula: C12H5D4F3N2O2. Mole weight: 274.23.
An immunosuppressive. Inhibits T and B cell proliferation. Activity is attributed mainly to its metabolite, a malononitrile derivative, which is beleived to inhibit dihydroorotate dehydrogenase as well as several protein tyrosine kinases. Group: Biochemicals. Alternative Names: 5- methyl isoxazole-4- [4-trifluoro methyl carboxanilide] -d4. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards.
Leflunomide Related Compound B
United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards.
Leflunomide Related Compound C
United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards.
leghemoglobin reductase
This enzyme belongs to the family of oxidoreductases, specifically those acting on NADH or NADPH with a heme protein as acceptor. The systematic name of this enzyme class is NAD(P)H:ferrileghemoglobin oxidoreductase. This enzyme is also called ferric leghemoglobin reductase. Group: Enzymes. Synonyms: ferric leghemoglobin reductase. Enzyme Commission Number: EC 1.6.2.6. CAS No. 60440-35-9. 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-1582; leghemoglobin reductase; EC 1.6.2.6; 60440-35-9; ferric leghemoglobin reductase. Cat No: EXWM-1582.
Legioliulin
Legioliulin, a new isocoumarin compound responsible for blue-white autofluorescence in Legionella (Fluoribacter) dumoffii under long-wavelength UV light. Group: Biochemicals. Grades: Highly Purified. CAS No. 796080-99-4. Pack Sizes: 10mg, 100mg. Molecular Formula: C19H14O3, Molecular Weight: 290.31. US Biological Life Sciences.
Best known from legume seeds, the trematode Schistosoma mansoni and mammalian lysosomes. Not inhibited by compound E-64. Type example of peptidase family C13. Group: Enzymes. Synonyms: asparaginyl endopeptidase; citvac; proteinase B (ambiguous); hemoglobinase (ambiguous); PRSC1 gene product (Homo sapiens); vicilin peptidohydrolase; bean endopeptidase; vicilin peptidohydrolase. Enzyme Commission Number: EC 3.4.22.34. CAS No. 149371-18-6. 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-4209; legumain; EC 3.4.22.34; 149371-18-6; asparaginyl endopeptidase; citvac; proteinase B (ambiguous); hemoglobinase (ambiguous); PRSC1 gene product (Homo sapiens); vicilin peptidohydrolase; bean endopeptidase; vicilin peptidohydrolase. Cat No: EXWM-4209.
Lehmbachol D
Lehmbachol D is a natural compound, aidng in the research of skin infections and inflammatory maladies. Grade: 97.5%. CAS No. 913556-40-8. Molecular formula: C26H26O8. Mole weight: 466.488.
LEI-401
LEI-401 is a first-in-class, selective, and CNS-active NAPE-PLD (N-acylphosphatidylethanolamine phospholipase D) inhibitor, with an IC50 of 27 nM. LEI-401 modulates emotional behavior in mice[1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 2393840-15-6. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-131181.
leishmanolysin
A membrane-bound glycoprotein found on the promastigote of various species of Leishmania protozoans. Contains consensus sequence for a zinc-binding site; Z-Tyr-Leu-NHOH is a strong inhibitor. The enzyme can activate its proenzyme by cleavage of the Val100?Val bond. An acid pH optimum is found with certain protein substrates. Type example of peptidase family M8. Group: Enzymes. Synonyms: promastigote surface endopeptidase; glycoprotein gp63; Leishmania metalloproteinase; surface acid proteinase; promastigote surface protease. Enzyme Commission Number: EC 3.4.24.36. CAS No. 161052-06-8. 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-4318; leishmanolysin; EC 3.4.24.36; 161052-06-8; promastigote surface endopeptidase; glycoprotein gp63; Leishmania metalloproteinase; surface acid proteinase; promastigote surface protease. Cat No: EXWM-4318.
Leishman's stain
Leishman's stain is an essential staining tool for for staining of the peripheral blood and bone marrow smears (displayed pale bluish-grey to deep blue under oil-immersion lens) [1]. Uses: Scientific research. Group: Fluorescent dye. CAS No. 12627-53-1. Pack Sizes: 1 g. Product ID: HY-W250151.
Leishmans Stain
25g Pack Size. Group: Stains & Indicators. Formula: N/A. CAS No. 12627-53-1. Prepack ID 78229208-25g. See USA prepack pricing.
Leishmans Stain
100g Pack Size. Group: Stains & Indicators. Formula: N/A. CAS No. 12627-53-1. Prepack ID 78229208-100g. See USA prepack pricing.
Leishman Stain
Leishman Stain. Group: Biochemicals. Alternative Names: Eosin Methylene blue according to Leishman; Methylene blue-eosin Leishman. Grades: Highly Purified. CAS No. 12627-53-1. Pack Sizes: 100g. US Biological Life Sciences.
Worldwide
Leit-Silver
Leit-Silver. Group: Electronic materials.
Leit-Silver
for electron microscopy. Group: Supplies.
Lemildipine
Lemildipine is a new dihydropyridine calcium entry blocker. Uses: Scientific research. Group: Signaling pathways. Alternative Names: NB-818; NPK-1886. CAS No. 94739-29-4. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-19663.
Lemon Balm Extract
Lemon Balm Extract. Applications: 1. can be used as flavor and fragrance raw materials, 2. soothe the nerves calm, aid digestion, reduce stress, 3. alleviate chronic bronchial mucosa inflammation, flu-like fever and headache. Group: Others. Synonyms: Lemon Balm Extract; Melissaofficinalis. Purity: 5-10:1 By TLC. Appearance: Browen yellow fine powder. Storage: 2 years under well storage situation and stored away from direct sun light. Source: whole plant. Species: Melissaofficinalis. Lemon Balm Extract; Melissaofficinalis; plant extract. Pack: 25KG/Drum with double plastic bag of foodstuff inside. Cat No: EXTW-170.