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 | Description | |
|---|---|---|
| Leteprinim potassium | Leteprinim potassium (AIT-082), a purine analog, is a neuroprotective agent and cognitive enhancer. Leteprinim potassium is a hypoxanthine derivative neurotrophic agent. Leteprinim potassium can induce brain-derived neurotrophic factor (BDNF) mRNA production following spinal cord lesions, and nerve growth factor (NGF) mRNA production in basal forebrain. Leteprinim potassium reduces glutamate toxicity in cultured hippocampal neurons. Leteprinim potassium increases heme-oxygenase 1 and 2 mRNA levels that play role in cellular defense against reactive oxygen species [1] [2] [3] [4]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: AIT-082. CAS No. 192564-13-9. Pack Sizes: 5 mg. Product ID: HY-120251A. |  |
| Leteprinim Potassium Salt | A synthetic purine derivative with neuroprotective effects. A cognitive enhancer, is transported into brain by a nonsaturable influx mechanism and out of brain by a saturable efflux mechanism. Group: Biochemicals. Alternative Names: 4- [ [3- (1, 6-Dihydro-6-oxo-9H-purin-9-yl) -1-oxopropyl] amino] benzoic Acid Potassium Salt; AIT 082; Neotrofin. Grades: Highly Purified. CAS No. 192564-13-9. Pack Sizes: 10mg. US Biological Life Sciences. |  Worldwide |
| Letermovir | Letermovir (AIC246) is a potent inhibitor of CMV , which targets the viral terminase complex and remains active against virus resistant to DNA polymerase inhibitors. Uses: Scientific research. Group: Signaling pathways. Alternative Names: AIC246; MK-8228. CAS No. 917389-32-3. Pack Sizes: 10 mM * 1 mL; 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-15233. | |
| L-Ethionine | L-Ethionine (L-ETH) is aamino acids and their derivatives. Uses: Scientific research. Group: Peptides. Alternative Names: L-ETH. CAS No. 13073-35-3. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-W017200. | |
| L-Ethionine | Ethionine is an antimetabolite and methionine antagonist. It also produces liver neoplasms. Uses: Ethionine-induced inhibition of protein synthesis and lowering of atp level in the liver. Synonyms: H-Eth-OH; (S)-2-Amino-4-(ethylthio)butanoic acid. Grade: 98%. CAS No. 13073-35-3. Molecular formula: C6H13NO2S. Mole weight: 163.24. |  |
| L-Ethionine | L-Ethionine. Group: Biochemicals. Alternative Names: S-Ethyl-L-homocysteine. Grades: Highly Purified. CAS No. 13073-35-3. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C6H13NO2S. US Biological Life Sciences. | Worldwide |
| Letolizumab | Letolizumab (BMS-986004) is a monoclonal antibody targeting CD40L , which is produced to express mutant IgG1 lacking effector function, including Fc binding and complement fixation. Letolizumab reduces rejection, thromboembolism and prolongs the survival time [1] [2] [3]. Uses: Scientific research. Group: Inhibitory antibodies. Alternative Names: BMS-986004. CAS No. 1450981-87-9. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-P99701. | |
| Letosteine | Letosteine. Group: Biochemicals. Grades: Highly Purified. CAS No. 53943-88-7. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. US Biological Life Sciences. | Worldwide |
| Letosteine | Letosteine is an orally active, potent and safe expectorant. Letosteine has the effect of scavenging reactive oxygen species (ROS). Letosteine dissolves bronchial mucus and reduces respiratory inflammation symptoms, and restores gas exchanges and natural defense mechanisms in the lung. Letosteine can be used for acute or chronic respiratory diseases (such as bronchopneumopathies) research [1] [2] [3] [4]. Uses: Scientific research. Group: Signaling pathways. CAS No. 53943-88-7. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-107355. | |
| Letrazuril | Letrazuril is an anti-HIV agent. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Letrazurilo, Letrazurilum, Letrazuril [INN], LETRAZURIL, Letrazurilum [INN-Latin], Letrazurilo [INN-Spanish], CID59745, (+-)-(2,6-Dichloro-4-(4,5-dihydro-3,5-dioxo-as-triazin-2(3H)-yl)phenyl)(p-fluorophenyl)acetonitrile, 103337-74-2. Product Category: Inhibitors. Appearance: Solid. CAS No. 103337-74-2. Molecular formula: C17H9Cl2FN4O2. Mole weight: 391.183 g/mol. Purity: 0.96. IUPACName: 2-[2,6-dichloro-4-(3,5-dioxo-1,2,4-triazin-2-yl)phenyl]-2-(4-fluorophenyl)acetonitrile. Canonical SMILES: C1=CC(=CC=C1C(C#N)C2=C(C=C(C=C2Cl)N3C(=O)NC(=O)C=N3)Cl)F. Density: 1.54g/cm³. Product ID: ACM103337742. Alfa Chemistry ISO 9001:2015 Certified. |  |
| Letrozole | 1g Pack Size. Group: Bioactive Small Molecules, Research Organics & Inorganics. Formula: C17H11N5. CAS No. 112809-51-5. Prepack ID 36941533-1g. Molecular Weight 285.3. See USA prepack pricing. |  |
| Letrozole | Letrozole (CGS 20267) is a potent, selective, reversible and orally active non-steroidal inhibitor of aromatase , with an IC 50 of 11.5 nM. Letrozole selective inhibits estrogen biosynthesis, and can be used for the research of breast cancer [1] [2] [3]. Uses: Scientific research. Group: Natural products. Alternative Names: CGS 20267. CAS No. 112809-51-5. Pack Sizes: 10 mM * 1 mL; 100 mg; 200 mg; 500 mg. Product ID: HY-14248. | |
| Letrozole | A nonsteroidal aromatase inhibitor structurally related to Fadrozole. Antineoplastic. An orally bioavailable non-steroidal triazole compound that acts as a potent and selective inhibitor of aromatase (IC50=140, 350 and 450pM in Dex-treated fibroblasts, MCF-7Ca, and JEG-3 cells, respectively). Competitively, but reversibly binds to the heme iron of aromatase. Does not affect the synthesis of adrenal mineralocorticoid or glucocorticoids. Reported to be highly effective as an anti-estrogenic and anti-proliferative agent in estrogen-rich tumors. Also delays the fusing of the growth plates in adolescents and enhances the effectiveness of growth hormone. Shown to synergistically induce apoptosis and cause tumor regression when combined with IGF-1R inhibitors. Group: Biochemicals. Alternative Names: 4, 4- (1H-1, 2, 4-Triazol-1-ylmethylene) bisbenzonitrile; 4-[1- (4-Cyanophenyl) -1- (1, 2, 4-triazol-1-yl) methyl]benzonitrile; CGS 20267; Femara; Lerozole; Letrazole; Aromatase Inhibitor II. Grades: Highly Purified. CAS No. 112809-51-5. Pack Sizes: 1g, 5g. Molecular Formula: C17H11N5, Molecular Weight: 285.3. US Biological Life Sciences. | Worldwide |
| Letrozole | Letrozole. CAS No. 112809-51-5. Product ID: 2-08292. Molecular formula: C17H11N5. Mole weight: 285.1. Purity: 99% (HPLC). Properties: Off white to white crystal mp 181--183°C LOD ≤0.3% Related substances ≤0.5%. |  |
| Letrozole-d4 | A deuterated version of Letrozole, a nonsteroidal aromatase inhibitor structurally related to Fadrozole.The current lot is 84% d4, 16% d3, no detectable d2, d1 or d0. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| Letrozole-[d4] | Letrozole-[d4] is the labelled analogue of Letrozole, which is a nonsteroidal aromatase inhibitor structurally related to Fadrozole. Synonyms: Letrozole-d4; 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)bisbenzonitrile-d4; 4-[1-(4-Cyanophenyl)-1-(1,2,4-triazol-1-yl)methyl]benzonitrile-d4; CGS 20267-d4; Femara-d4; Lerozole-d4; Letrazole-d4. Grade: ≥95%. CAS No. 1133712-96-5. Molecular formula: C17H7D4N5. Mole weight: 289.33. | |
| Letrozole EP Impurity B | Letrozole EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 113402-31-6. Molecular formula: C22H13N3. Mole weight: 319.37. Catalog: APB113402316. |  |
| Letrozole Related Compound A | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| Leu14, Cys40, Exendin-4 | Leu14, Cys40, Exendin-4. Synonyms: His-Gly-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Leu-Ser-Lys-Gln-Leu-Glu-Glu-Glu-Ala-Val-Arg-Leu-Phe-Ile-Glu-Trp-Leu-Lys-Asn-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-Cys-NH2. Molecular formula: C188H289N51O61S. Mole weight: 4271.94. | |
| Leu-Ala-OH | This dipeptide inhibits ubiquitin-mediated protein degradation. Synonyms: L-Leucyl-L-alanine. Grade: ≥ 97% (HPLC). CAS No. 7298-84-2. Molecular formula: C9H18N2O3. Mole weight: 202.25. | |
| Leu-Ala-OH | Leu-Ala-OH. Group: Biochemicals. Alternative Names: L-Leucyl-L-alanine. Grades: Highly Purified. CAS No. 7298-84-2. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C9H18N2O3. US Biological Life Sciences. | Worldwide |
| Leu-Ala-OH ≥97% (HPLC) | Leu-Ala-OH ≥97% (HPLC). Group: Biochemicals. Grades: Reagent Grade. CAS No. 7298-84-2. Pack Sizes: 1g, 5g, 10g, 25g. US Biological Life Sciences. | Worldwide |
| Leu-AMC | Leu-AMC. Uses: Designed for use in research and industrial production. Additional or Alternative Names: L-Leucine-7-amido-4-methylcoumarin. Product Category: Other Fluorophores. CAS No. 62480-44-8. Molecular formula: C16H21ClN2O3. Mole weight: 324.8. Product ID: ACM62480448. Alfa Chemistry ISO 9001:2015 Certified. Categories: Lena McLin. | |
| Leu-AMC HCl | L-Leucine 7-Amido-4-methylcoumarin Hydrochloride is a fluorogenic substrate for LAP3 (leucine aminopeptidase). Upon enzyme activity, a bright blue fluorescent dye, 7-amino-4-methylcoumarin, is released. Synonyms: L-Leucine-AMC.HCl. Grade: ≥ 99% (HPLC). CAS No. 62480-44-8. Molecular formula: C16H21ClN2O3. Mole weight: 324.80. | |
| Leu-Asp-AMC | Leu-Asp-AMC is a peptide substrate for Porphyromonas Gingivalis Dipeptidyl-Peptidase 11. Synonyms: Leu-Asp-MCA; L-Leucyl-L-aspartic acid α-(4-methylcoumaryl-7-amide). CAS No. 929621-97-6. Molecular formula: C20H25N3O6. Mole weight: 403.43. | |
| Leucanicidin | It is produced by the strain of Streptomyces. It is a potent nematocide and insecticide belonging to the bafilomycin class. It also has anti-fungal properties. Synonyms: (3Z,5E,7R,8S,9S,11E,13E,15S,16R)-16-[(1S,2R,3S)-3-[(2R,4R,5S,6R)-4-[(6-deoxy-2-O-methyl-α-L-mannopyranosyl)oxy]tetrahydro-2-hydroxy-5-methyl-6-(1-methylethyl)-2H-pyran-2-yl]-2-hydroxy-1-methylbutyl]-8-hydroxy-3,15-dimethoxy-5,7,9,11-tetramethyl-oxacyclohexadeca-3,5,11,13-tetraen-2-one; 21-O-De(3-carboxy-1-oxo-2-propenyl)-2-demethyl-21-O-(6-deoxy-2-O-methyl-α-L-mannopyranosyl)-2-methoxy-24-methylhygrolidin. Grade: >95% by HPLC. CAS No. 91021-66-8. Molecular formula: C42H70O13. Mole weight: 783.00. | |
| Leucettine L41 | Leucettine L41 is a potent inhibitor of dual-specificity tyrosine phosphorylation-regulated kinase 1A (DYRK1A), DYRK2, CDC-like kinase 1 (CLK1), and CLK3 (IC50s = 0.04, 0.035, 0.015, and 4.5 μM, respectively)[1]. Leucettine L41 prevents lipid peroxidation and the accumulation of reactive oxygen species (ROS) induced by A?25-35 in the hippocampus in a mouse model of Alzheimers disease-like toxicity. Leucettine L41 also prevents memory deficits induced by A?25-35 in the same model[2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 1112978-84-3. Pack Sizes: 5 mg; 10 mg. Product ID: HY-117049. | |
| Leucettine L41 ((5Z)-5-(1,3-Benzodioxol-5-yl)methylene-2-phenylamino-3,5-dihydro-4H-imidazol-4one) | Potent inhibitor of DYRKs and CLKs. Interacts also with GSK-3alpha/beta, CK2 and PIM1. Interacts with the complex PIKfyve/Vac14/Fig4. Modulates alternative splicing of pre-mRNA in various cellular systems. Neuroprotective against APP-induced cell death. Tools to study and modulate pre-RNA splicing. Potential compound for Alzheimer's disease and diseases involving abnormal pre-mRNA splicing. Potential compound to study Down syndrome (inhibition of DYRK1A). Neuroprotective against glutamate-induced cell death. Group: Biochemicals. Grades: Highly Purified. CAS No. 1112978-84-3. Pack Sizes: 1mg, 5mg, 25mg. US Biological Life Sciences. | Worldwide |
| Leucic acid | Leucic acid is an amino acid metabolite [1]. Uses: Scientific research. Group: Peptides. Alternative Names: α-Hydroxyisocaproic acid. CAS No. 498-36-2. Pack Sizes: 10 mM * 1 mL; 250 mg; 500 mg; 1 g. Product ID: HY-30216A. | |
| Leucine-[13C6] | L-Leucine-13C6 is a labelled L-Leucine. Leucine is an α-amino acid essential for humans. Synonyms: Leu. Grade: 95% by CP; 98% atom 13C. Molecular formula: [13C]6H13NO2. Mole weight: 137.13. | |
| Leucine-2,3,3,4,5,5,5,5',5',5'-d10 | Leucine-2,3,3,4,5,5,5,5',5',5'-d10. Uses: Designed for use in research and industrial production. Additional or Alternative Names: DL-Leucine-d10, 492426_ALDRICH, DL-Leucine-2,3,3,4,5,5,5,5,5,5-d10, 29909-01-1, DL-Leucine-2,3,3,4,5,5,5,5 inverted exclamation marka,5 inverted exclamation marka,5 inverted exclamation marka-d10. Product Category: Heterocyclic Organic Compound. CAS No. 29909-01-1. Molecular formula: C6H3D10NO2. Mole weight: 141.23. Purity: 98 atom % D. IUPACName: 2-amino-2,3,3,4,5,5,5-heptadeuterio-4-(trideuteriomethyl)pentanoic acid. Canonical SMILES: CC(C)CC(C(=O)O)N. Density: 1.115g/cm³. Product ID: ACM29909011. Alfa Chemistry ISO 9001:2015 Certified. | |
| leucine 2,3-aminomutase | Requires a cobamide coenzyme. Group: Enzymes. Enzyme Commission Number: EC 5.4.3.7. CAS No. 59125-53-0. 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-5539; leucine 2,3-aminomutase; EC 5.4.3.7; 59125-53-0. Cat No: EXWM-5539. |  |
| Leucine benzyloxycarbonyl hydrazide trifluoroacetate | Leucine benzyloxycarbonyl hydrazide trifluoroacetate. Group: Biochemicals. Alternative Names: L-Leu-NHNHZ·TFA. Grades: Highly Purified. CAS No. 19635-96-2. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences. | Worldwide |
| Leucine benzyloxycarbonylhydrazide trifluoroacetate | Leucine benzyloxycarbonylhydrazide trifluoroacetate. Synonyms: L-Leu-NHNHZ TFA; L-Leucin-benzyloxycarbonyl-hydrazid-trifluoracetate; H-L-Leu-NH-NH-Z,CF3-COOH; LEU-NHNH-Z TFA; Leu-NH-NH-Z CF3COOH. Grade: ≥ 99% (HPLC). CAS No. 19635-96-2. Molecular formula: C14H21N3O3·C2HO2F3. Mole weight: 393.40. | |
| Leucine benzyloxycarbonyl hydrazide trifluoroacetate 99+% (HPLC) | Leucine benzyloxycarbonyl hydrazide trifluoroacetate 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences. | Worldwide |
| leucine dehydrogenase | Also acts on isoleucine, valine, norvaline and norleucine. Group: Enzymes. Synonyms: L-leucine dehydrogenase; L-leucine:NAD+ oxidoreductase, deaminating; LeuDH. Enzyme Commission Number: EC 1.4.1.9. CAS No. 9082-71-7. Leucine dehydrogenase. 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-1463; leucine dehydrogenase; EC 1.4.1.9; 9082-71-7; L-leucine dehydrogenase; L-leucine:NAD+ oxidoreductase, deaminating; LeuDH. Cat No: EXWM-1463. | |
| Leucine dehydrogenase from Microorganism | In enzymology, a leucine dehydrogenase (EC 1.4.1.9) is an enzyme that catalyzes the chemical reaction: L-leucine + H2O + NAD+ ? 4-methyl-2-oxopentanoate + NH3 + NADH + H+. The 3 substrates of this enzyme are L-leucine, H2O, and NAD+, whereas its 4 products are 4-methyl-2-oxopentanoate, NH3, NADH, and H+. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH2 group of donors with NAD+ or NADP+ as acceptor. This enzyme participates in valine, leucine and isoleucine degradation and valine, leucine and isoleucine biosynthesis. Group: Enzymes. Synonyms: EC 1.4.1.9; Leucine dehydrogenase; L-leucine: NAD+ oxidoreductase (deaminating); L-leucine dehydrogenase; L-leucine: NAD+ oxidoreductase (deaminating); LeuDH. Enzyme Commission Number: EC 1.4.1.9. CAS No. 9082-71-7. Mole weight: 43 kDa (SDS-PAGE). Activity: >500U/mg protein. Storage: Store at -20°C. Form: White powder, lyophilized. Source: Microorganism. EC 1.4.1.9; Leucine dehydrogenase; L-leucine: NAD+ oxidoreductase (deaminating); L-leucine dehydrogenase; L-leucine: NAD+ oxidoreductase (deaminating); LeuDH; LEDH. Cat No: NATE-1715. | |
| Leucine dehydrogenase, Microorganism | Leucine dehydrogenase, Microorganism (EC 1.4.1.9) can be purified from Bacillus spheroides. Leucine dehydrogenase catalyzed the oxidative deamination of L-leucine, L-valine, L-isoleucine, L-norvaline, L-alpha-aminobutyrate, and L-norleucine, and the reductive amination of their keto analogues [1]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: LDH, EC 1.4.1.9. CAS No. 9082-71-7. Pack Sizes: 1 KU; 100 U; 200 U. Product ID: HY-P2768. | |
| leucine N-acetyltransferase | Propanoyl-CoA can act as a donor, but more slowly. L-Arginine, L-valine, L-phenylalanine and peptides containing L-leucine can act as acceptors. Group: Enzymes. Synonyms: leucine acetyltransferase. Enzyme Commission Number: EC 2.3.1.66. CAS No. 75496-56-9. 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-2246; leucine N-acetyltransferase; EC 2.3.1.66; 75496-56-9; leucine acetyltransferase. Cat No: EXWM-2246. | |
| leucine transaminase | A pyridoxal-phosphate protein. This enzyme differs from EC 2.6.1.42, branched-chain-amino-acid transaminase, in that it does not act on L-valine or L-isoleucine, although it does act on L-methionine. The mitochondrial form from rat liver differs in physical characteristics from the cytoplasmic form. Group: Enzymes. Synonyms: L-leucine aminotransferase; leucine 2-oxoglutarate transaminase; leucine aminotransferase; leucine-α-ketoglutarate transaminase. Enzyme Commission Number: EC 2.6.1.6. CAS No. 9030-37-9. 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-2901; leucine transaminase; EC 2.6.1.6; 9030-37-9; L-leucine aminotransferase; leucine 2-oxoglutarate transaminase; leucine aminotransferase; leucine-α-ketoglutarate transaminase. Cat No: EXWM-2901. | |
| leucine-tRNA ligase | This enzyme belongs to the family of ligases, to be specific those forming carbon-oxygen bonds in aminoacyl-tRNA and related compounds. This enzyme participates in valine, leucine and isoleucine biosynthesis and aminoacyl-trna biosynthesis. Group: Enzymes. Synonyms: leucyl-tRNA synthetase; leucyl-transfer ribonucleate synthetase; leucyl-transfer RNA synthetase; leucyl-transfer ribonucleic acid synthetase; leucine-tRNA synthetase; leucine translase. Enzyme Commission Number: EC 6.1.1.4. CAS No. 9031-15-6. 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-5660; leucine-tRNA ligase; EC 6.1.1.4; 9031-15-6; leucyl-tRNA synthetase; leucyl-transfer ribonucleate synthetase; leucyl-transfer RNA synthetase; leucyl-transfer ribonucleic acid synthetase; leucine-tRNA synthetase; leucine translase. Cat No: EXWM-5660. | |
| Leucine USP | Leucine USP. Grades: USP. CAS No. 61-90-5. Product ID: 2-08302. Molecular formula: C6H13NO2. Mole weight: 131.17. | |
| Leucinol | Leucinol. CAS No: 7533-40-6 |  Sarchem Laboratories New Jersey NJ |
| Leucinostatin A | It is produced by the strain of Paecilomyces lilacinus A-267. It's a peptide antibiotic. It has a strong anti-pathogenic and non-pathogenic yeast and fungi activity, but also has a medium anti-bacterial effect. It was previously reported that Leucinostatin A and B mixtures inhibited HeLa cells. 0.05 μg/mL of Leucinostatin A for a week (0.25 mg/kg?d) has inhibitory effect on the airy ascites carcinoma entity type, and for ascites type is invalid. Synonyms: Antibiotic 1907-VIII; Antibiotic CC 1014; Paecilotoxin A; Antibiotic P-168; beta-Alaninamide, cis-4-methyl-1-(4-methyl-1-oxo-2-hexenyl)-L-prolyl-(4S,6S)-6-hydroxy-4-methyl-8-oxo-L-2-aminodecanoyl-threo-3-hydroxy-L-leucyl-2-methylalanyl-L-leucyl-L-leucyl-2-methylalanyl-2-methylalanyl-N-(2-(dimethylamino)-1-methylethyl)-, (1(S-(E)),9(S))-; Tryanocidin. Grade: >95% by HPLC. CAS No. 76600-38-9. Molecular formula: C62H111N11O13. Mole weight: 1218.61. | |
| Leucinostatin A+B mixture | ?95% (mixture of Leucinostatin A+B, HPLC), (Paecilomyces lilacinus). Group: Fluorescence/luminescence spectroscopy. | |
| Leucinostatin B | It is produced by the strain of Paecilomyces lilacinus A-267. It's a peptide antibiotic. It has a strong anti-pathogenic and non-pathogenic yeast and fungi activity, but also has a medium anti-bacterial effect. It was previously reported that Leucinostatin A and B mixtures inhibited HeLa cells. 0.05 μg/mL of Leucinostatin B for a week (0.25 mg/kg?d) has inhibitory effect on the airy ascites carcinoma entity type, and for ascites type is invalid. Synonyms: Paecilotoxin B; Leucinostatin A, 9-[N-[1-methyl-2-(methylamino)ethyl]-b-alaninamide]-, [9(S)]-; Antibiotic 1907-II; b-Alaninamide, cis-4-methyl-1-(4-methyl-1-oxo-2-hexenyl)-L-prolyl-(4S,6S)-6-hydroxy-4-methyl-8-oxo-L-2-aminodecanoyl-threo-3-hydroxy-L-leucyl-2-methylalanyl-L-leucyl-L-leucyl-2-methylalanyl-2-methylalanyl-N-[1-methyl-2-(methylamino)ethyl]-, [1[S-(E)],9(S)]-. Grade: >95%. CAS No. 76663-52-0. Molecular formula: C61H109N11O13. Mole weight: 1204.58. | |
| Leucinostatin D | It is produced by the strain of Paecilomyces marquandii. It's a peptide antibiotic. It has anti-gram-positive bacterial and fungal effects. It has in vitro cytotoxic activity against HeLa 850, KB cells and sensitive leukemia cells P388 with ID50 of 1.00 ng/mL. Synonyms: Paecilotoxin D; (4R)-N-[1-[[2-hydroxy-3-methyl-1-[2-[[3-methyl-1-[[3-methyl-1-[2-[2-[2-(1-methylaminopropan-2-ylcarbamoyl)ethylcarbamoyl]propan-2-ylcarbamoyl]propan-2-ylcarbamoyl]butyl]carbamoyl]butyl]carbamoyl]propan-2-ylcarbamoyl]butyl]carbamoyl]-3-methyl-butyl]-4-methyl-1-[(E,4S)-4-methylhex-2-enoyl]pyrrolidine-2-carboxamide. CAS No. 100334-47-2. Molecular formula: C56H101N11O11. Mole weight: 1104.47. | |
| Leucinostatin H | It is produced by the strain of Paecilomyces marquandii. It's a peptide antibiotic. It has anti-gram-positive bacterial and fungal effects. Synonyms: Paecilotoxin H; N-(1-(aminooxy)-26-(1-hydroxy-2-methylpropyl)-17,20-diisobutyl-4,11,11,14,14,23,23,31-octamethyl-6,10,13,16,19,22,25,28-octaoxo-5,9,12,15,18,21,24,27-octaazadotriacontan-29-yl)-4-methyl-1-((R,E)-4-methylhex-2-enoyl)pyrrolidine-2-carboxamide; Leucinostatin A, 2-L-leucine, N9-oxide. CAS No. 109539-58-4. Molecular formula: C57H103N11O12. Mole weight: 1134.49. | |
| Leucinostatin K | It is produced by the strain of Paecilomyces marquandii. It's a peptide antibiotic. It has anti-gram-positive bacterial and fungal effects. Synonyms: Leucinostatin A, N9-oxide; b-Alaninamide, cis-4-methyl-1-(4-methyl-1-oxo-2-hexenyl)-L-prolyl-(4S,6S)-6-hydroxy-4-methyl-8-oxo-L-2-aminodecanoyl-threo-3-hydroxy-L-leucyl-2-methylalanyl-L-leucyl-L-leucyl-2-methylalanyl-2-methylalanyl-N-[2-(dimethylamino)-1-methylethyl]-, N9-oxide, [1[S-(E)],9(S)]-; N-(1-(aminooxy)-33-hydroxy-26-(1-hydroxy-2-methylpropyl)-17,20-diisobutyl-4,11,11,14,14,23,23,31-octamethyl-6,10,13,16,19,22,25,28,35-nonaoxo-5,9,12,15,18,21,24,27-octaazaheptatriacontan-29-yl)-4-methyl-1-((R,E)-4-methylhex-2-enoyl)pyrrolidine-2-carboxamide. CAS No. 109539-57-3. Molecular formula: C62H111N11O14. Mole weight: 1234.61. | |
| leucoanthocyanidin reductase | The enzyme catalyses the synthesis of catechin, catechin-4β-ol (leucocyanidin) and the related flavan-3-ols afzelechin and gallocatechin, which are initiating monomers in the synthesis of plant polymeric proanthocyanidins or condensed tannins. While 2,3-trans-3,4-cis-leucocyanidin is the preferred flavan-3,4-diol substrate, 2,3-trans-3,4-cis-leucodelphinidin and 2,3-trans-3,4-cis-leucopelargonidin can also act as substrates, but more slowly. NADH can replace NADPH but is oxidized more slowly. Group: Enzymes. Synonyms: leucocyanidin reductase. Enzyme Commission Number: EC 1.17.1.3. CAS No. 776323-46-7. 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-1081; leucoanthocyanidin reductase; EC 1.17.1.3; 776323-46-7; leucocyanidin reductase. Cat No: EXWM-1081. | |
| Leucocrystal violet | Leucocrystal violet is a triphenylmethane dye which can be used to detect antimony in environmental and biological samples using spectrophotometric techniques. Uses: Scientific research. Group: Fluorescent dye. CAS No. 603-48-5. Pack Sizes: 1 g; 5 g; 10 g. Product ID: HY-D0233. | |
| Leuco Crystal Violet | 25g Pack Size. Group: Stains & Indicators. Formula: C25H31N3. CAS No. 603-48-5. Prepack ID 16169867-25g. Molecular Weight 373.53. See USA prepack pricing. | |
| Leuco Crystal Violet | 5g Pack Size. Group: Stains & Indicators. Formula: C25H31N3. CAS No. 603-48-5. Prepack ID 16169867-5g. Molecular Weight 373.53. See USA prepack pricing. | |
| Leuco crystal violet-[d6] | Leuco crystal violet-[d6] is the labelled analogue of Leuco crystal violet, which is a metabolite of Gentian Violet in seafood products. Synonyms: Leuco crystal violet D6; 4,4',4''-Methylidynetris[N,N-dimethylbenzenamine-d6]; 4,4',4''-Methylidynetris[N,N-dimethylaniline-d6]; Leuco Basic Violet 3-d6; Leucocrystal Violet-d6; Leucomethyl Green-d6; NSC 7338-d6; Tris[4-(dimethylamino)phenyl]methane-d6. Grade: 95% by HPLC; 98% atom D. CAS No. 1173023-92-1. Molecular formula: C25H25D6N3. Mole weight: 379.57. | |
| Leucocrystal Violet-d6 | analytical standard. Group: Colorant standards. | |
| Leucocyanidin | Leucocyanidin is an active anti-ulcerogenic ingredient was extracted from Litchi Chinensis. Leucocyanidin demonstrates a significant protective effect against Aspirin-induced erosions in rat models[1]. Uses: Scientific research. Group: Natural products. CAS No. 480-17-1. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-119580. | |
| leucocyanidin oxygenase | The enzyme requires Fe(II) and ascorbate. It is involved in the pathway by which many flowering plants make anthocyanin (glycosylated anthocyandin) flower pigments. The intermediates are transformed into cis- and trans-dihydroquercetin, which the enzyme can also oxidize to quercetin. Acidification of the products gives anthocyanidin, which, however, may not be a natural precursor of the anthocyanins. Group: Enzymes. Synonyms: anthocyanidin synthase. Enzyme Commission Number: EC 1.14.11.19. CAS No. 180984-01-4. 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-0635; leucocyanidin oxygenase; EC 1.14.11.19; 180984-01-4; anthocyanidin synthase. Cat No: EXWM-0635. | |
| Leucodopachrome Hydrochloride | Leucodopachrome Hydrochloride. Group: Biochemicals. Alternative Names: Leukodopachrome Hydrochloride; L-Cyclodopa Hydrochloride; (S)-5,6-Dihydroxy-3-indolinecarboxylic Acid Hydrochloride. Grades: Highly Purified. CAS No. 18766-67-1. Pack Sizes: 100mg. Molecular Formula: C9H10ClNO4, Molecular Weight: 231.63. US Biological Life Sciences. | Worldwide |
| Leuco Gentian Violet-d6 (Major) | Leuco Gentian Violet-d6 (Major), is a labelled metabolite of Gentian Violet in seafood products. Group: Biochemicals. Alternative Names: 4,4',4''-Methylidynetris[N,N-dimethylbenzenamine-d6; 4,4',4''-Methylidynetris[N,N-dimethylaniline-d6; 4, 4', 4''- (Hexamethyltriamino) triphenylmethane-d6; Leuco Basic Violet 3-d6; Leucocrystal Violet-d6; Leucomethyl Green-d6; NSC 7338-d6; Tris[4- (dimethylamino) phenyl]methane-d6. Grades: Highly Purified. CAS No. 1173023-92-1. Pack Sizes: 5mg. Molecular Formula: C??H??D?N?, Molecular Weight: 379.57. US Biological Life Sciences. | Worldwide |
| Leucokinin iii | Leucokinin iii. Uses: Designed for use in research and industrial production. Additional or Alternative Names: LEUCOKININ III;ASP-GLN-GLY-PHE-ASN-SER-TRP-GLY-NH2;H-ASP-GLN-GLY-PHE-ASN-SER-TRP-GLY-NH2. Product Category: Heterocyclic Organic Compound. CAS No. 104958-71-6. Molecular formula: C40H52N12O13. Mole weight: 908.91. Product ID: ACM104958716. Alfa Chemistry ISO 9001:2015 Certified. | |
| Leucokinin VIII | Leucokinin VIII is a diuretic octopeptide isolated from cockroach head extract. Synonyms: Leucokinin 8; H-Gly-Ala-Ser-Phe-Tyr-Ser-Trp-Gly-NH2; glycyl-L-alanyl-L-seryl-L-phenylalanyl-L-tyrosyl-L-seryl-L-tryptophyl-glycinamide; (S)-N-((5S,8S,11S,14S)-5-((1H-indol-3-yl)methyl)-1-amino-11-(4-hydroxybenzyl)-8-(hydroxymethyl)-1,4,7,10,13-pentaoxo-15-phenyl-3,6,9,12-tetraazapentadecan-14-yl)-2-((S)-2-(2-aminoacetamido)propanamido)-3-hydroxypropanamide. Grade: ≥95%. CAS No. 2703746-05-6. Molecular formula: C42H52N10O11. Mole weight: 872.92. | |
| Leucokinin VIII acetate | Leucokinin VIII acetate is a diuretic octapeptide isolated from cockroach head extract. Synonyms: Leucokinin 8; H-Gly-Ala-Ser-Phe-Tyr-Ser-Trp-Gly-NH2.CH3CO2H; glycyl-L-alanyl-L-seryl-L-phenylalanyl-L-tyrosyl-L-seryl-L-tryptophyl-glycinamide acetic acid. Grade: ≥95%. CAS No. 2703746-06-7. Molecular formula: C44H56N10O13. Mole weight: 932.99. | |
| leucolysin | From the venom of the western cottonmouth moccasin snake (Agkistrodon piscivorus leucostoma). Group: Enzymes. Synonyms: Leucostoma neutral proteinase; Leucostoma peptidase A. Enzyme Commission Number: EC 3.4.24.6. CAS No. 72561-03-6. 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-4342; leucolysin; EC 3.4.24.6; 72561-03-6; Leucostoma neutral proteinase; Leucostoma peptidase A. Cat No: EXWM-4342. | |
| Leucomalachite Green | 5g Pack Size. Group: Stains & Indicators. Formula: C23H26N2. CAS No. 129-73-7. Prepack ID 90027147-5g. Molecular Weight 330.47. See USA prepack pricing. | |
| Leucomalachite green-[d5] | Leucomalachite green-[d5] is a labelled analogue of Leucomalachite green, which is used as a dye and also an antimicrobial in aquaculture. Synonyms: Leucomalachite green-D5. Grade: 95% by HPLC; 98% atom D. CAS No. 947601-82-3. Molecular formula: C23H21D5N2. Mole weight: 335.50. | |
| Leucomalachite Green-d5 | analytical standard. Group: Chemical class. | |
| Leucomalachite green-[d6] | Leucomalachite green-[d6] is a labelled analogue of Leucomalachite green, which is used as a dye and also an antimicrobial in aquaculture. Synonyms: Leucomalachite green D6. Grade: 95% by HPLC; 98% atom D. CAS No. 1173021-13-0. Molecular formula: C23H20D6N2. Mole weight: 336.50. | |
| Leucomalachite Green-d6 | analytical standard. Group: Chemical class. | |
| Leucomentin-5 | It is produced by the strain of Paxillus panuoides. It is a free radical scavenger. It has strong inhibitory effect of lipid peroxidation with IC50 of 0.11 μg/mL. The IC50 of reference Leucomentin-2 is 0.06 μg/mL. Molecular formula: C38H34O13. Mole weight: 698.67. | |
| Leucomentin-6 | It is produced by the strain of Paxillus panuoides. It is a free radical scavenger. It has strong inhibitory effect of lipid peroxidation with IC50 of 0.06 μg/mL. The IC50 of reference Leucomentin-4 is 0.11 μg/mL. Molecular formula: C42H38O13. Mole weight: 750.74. | |
Our database is helping our users find suppliers everyday.
