A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
Leu-Leu-OH. Group: Biochemicals. Alternative Names: L-Leucyl-L-leucine. Grades: Highly Purified. CAS No. 3303-31-9. Pack Sizes: 1g, 2g, 5g. US Biological Life Sciences.
Worldwide
Leu-Leu-OH
Leu-Leu-OH (L-Leucyl-L-leucine), a Leu derivative, is a neutral dipeptide that can be used to study the functionality of dileucine motifs[1]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: L-Leucyl-L-leucine; Leu-Leu; H-Leu-Leu-OH. CAS No. 3303-31-9. Pack Sizes: 50 mg; 100 mg; 500 mg. Product ID: HY-W008642.
Leu-Leu-OH
Leu-Leu-OH. Synonyms: L-Leucyl-L-leucine; Leu Leu OH. Grade: ≥ 96% (HPLC). CAS No. 3303-31-9. Molecular formula: C12H24N2O3. Mole weight: 244.33.
Leu-Leu-OH 98+% (HPLC)
Leu-Leu-OH 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g. US Biological Life Sciences.
Leu-Nle-NH2 HCl is an analog of Leupeptin. Synonyms: L-leucyl-L-norleucinamide hydrochloride. Grade: ≥ 95%. CAS No. 68759-98-8. Molecular formula: C12H25N3O2·HCl. Mole weight: 279.81.
Leu-Nle-NH2·HCl
Leu-Nle-NH2·HCl. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500mg, 1g, 2g. US Biological Life Sciences.
Worldwide
Leu-Nle-NH2·HCl ≥95% (TLC)
Leu-Nle-NH2·HCl ≥95% (TLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 2.5g. US Biological Life Sciences.
Worldwide
Leupeptin
25mg Pack Size. Group: Analytical Reagents, Antibiotics, Bioactive Small Molecules, Biochemicals, Research Organics & Inorganics. Formula: C20H38N6O4 ·HCl. CAS No. 24125-16-4. Prepack ID 89968247-25mg. Molecular Weight 463.01. See USA prepack pricing.
Leupeptin
Leupeptin, a naturally occurring protease inhibitor, has potential applications in cosmetics due to its anti-inflammatory properties and ability to inhibit various proteases. It can be used in skincare products to help reduce inflammation and provide soothing effects to the skin. Additionally, Leupeptin's ability to inhibit proteases could contribute to the prevention of skin degradation and promote skin health by preserving the structural integrity of proteins in the skin matrix. Therefore, Leupeptin's applications in cosmetics may include anti-inflammatory and skin-protective effects, making it a valuable ingredient for products aimed at reducing skin irritation and promoting a healthy skin environment. It is a reversible, competitive inhibitor that targets serine and cysteine proteases, including trypsin, plasmin, calpain, papain, and cathepsins B, H, and L. Synonyms: Ac-Leu-Leu-Arg-CHO; Acetyl Tripeptide; L-Leucinamide, N-acetyl-L-leucyl-N-[4-[(aminoiminomethyl)amino]-1-formylbutyl]-, (S)-; N-Acetyl-L-leucyl-N-[(1S)-4-[(aminoiminomethyl)amino]-1-formylbutyl]-L-leucinamide; Acetyl-L-leucyl-L-leucyl-L-argininal; N-Acetyl-L-leucyl-L-leucyl-L-argininal; Ac-Leu-Leu-Arg-al; Ac-LLR-al. Grade: ≥95%. CAS No. 55123-66-5. Molecular formula: C20H38N6O4. Mole weight: 426.55.
Leupeptin Ac-LL (hydrochloride) is the hydrochloride form of Leupeptin Ac-LL (HY-18234B). Leupeptin Ac-LL (hydrochloride) has better inhibition than Leupeptin Ac-LL[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 24125-16-4. Pack Sizes: 5 mg; 10 mg. Product ID: HY-18234C.
Leupeptin HCI
Leupeptin HCI. Group: Biochemicals. Grades: Highly Purified. CAS No. 24125-16-4. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C20H38N6O4·HCl. US Biological Life Sciences.
Worldwide
Leupeptin hemisulfate
Leupeptin hemisulfate is a broad-spectrum, membrane-permeable protease inhibitor. Leupeptin hemisulfate potently inhibits serine, cysteine and threonine proteases. Leupeptin hemisulfate inhibits Mpro (the main protease of SARS-CoV-2) and also has anti-inflammatory activity[1][2][3]. Uses: Scientific research. Category: Signaling pathways. CAS No. 103476-89-7. Pack Sizes: 10 mM * 1 mL in Water; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-18234A.
Leupeptin hemisulfate
100mg Pack Size. Group: Antibiotics, Bioactive Small Molecules. Formula: C20H38N6O4 · 0.5H2O4S. CAS No. 103476-89-7. Prepack ID 35875057-100mg. Molecular Weight 475.59. See USA prepack pricing.
Leupeptin hemisulfate
25mg Pack Size. Group: Antibiotics, Bioactive Small Molecules. Formula: C20H38N6O4 · 0.5H2O4S. CAS No. 103476-89-7. Prepack ID 35875057-25mg. Molecular Weight 475.59. See USA prepack pricing.
Leupeptin hemisulfate
Leupeptin Hemisulfate is a reversible inhibitor of serine and cysteine proteases. It can be used in skincare products to help reduce inflammation and provide soothing effects to the skin. Synonyms: Ac-Leu-Leu-Arg-CHO.1/2H2SO4; Acetyl Tripeptide; L-Leucinamide, N-acetyl-L-leucyl-N-[(1S)-4-[(aminoiminomethyl)amino]-1-formylbutyl]-, sulfate (2:1); L-Leucinamide, N-acetyl-L-leucyl-N-[4-[(aminoiminomethyl)amino]-1-formylbutyl]-, (S)-, sulfate (2:1); Leupeptin sulfate (2:1); N-Acetyl-L-leucyl-N-[(1S)-4-[(aminoiminomethyl)amino]-1-formylbutyl]-L-leucinamide hemisulfate; Acetyl-L-leucyl-L-leucyl-L-argininal hemisulfate; N-Acetyl-L-leucyl-L-leucyl-L-argininal hemisulfate; Ac-Leu-Leu-Arg-al.1/2H2SO4; Ac-LLR-al.1/2H2SO4. Grade: 95%. CAS No. 103476-89-7. Molecular formula: C20H38N6O4.1/2H2SO4. Mole weight: 475.59.
Leupeptin Hemisulfate
Leupeptin Hemisulfate is a reversible inhibitor of serine and cysteine proteases. It inhibits cathepsin B (Ki = 6 nM), calpain (Ki = 10 nM), trypsin (Ki = 35 nM), plasmin (Ki = 3.4 μM), and kallikrein (Ki = 19 μM), and has no effect against chymotrypsin, elastase, renin, or pepsin. Group: Inhibitors. CAS No. 103476-89-7. Pack Sizes: 10mg. Product ID: S7380. Formula: C20H38N6O4.1/2H2SO4. Smiles: CC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CCCN=C(N)N)C=O)NC(=O)C.CC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CCCN=C(N)N)C=O)NC(=O)C.OS(=O)(=O)O. Storage Conditions: 2 years -80 in solvent.
United States; Europe
Leupeptin,HemisulfateSalt
Leupeptin,HemisulfateSalt. CAS No. 10347-89-7. Product ID: ACM10347897. Alfa Chemistry - ISO 9001:32057 Certified.
Leupeptin Trifluoroacetate
Leupeptin Trifluoroacetate. Group: Biochemicals. Grades: Highly Purified. CAS No. 147385-61-3. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C22H39F3N6O6. US Biological Life Sciences.
Worldwide
Leu-Pro-Ala-NH2
Leu-Pro-Ala-NH2 is a simple tripeptide with a free amine group at the C-terminus. It consists of leucine (Leu), proline (Pro), and alanine (Ala) residues. The -NH2 at the C-terminus indicates that the peptide has a free amine group, which can be utilized for further reactions or modifications. This peptide sequence is used to study the effects of leucine, proline, and alanine in peptide structures and interactions, with potential applications in understanding peptide conformations or biological activities. Synonyms: LPA; H-Leu-Pro-Ala-NH2; (S)-1-(L-Leucyl)-N-((S)-1-amino-1-oxopropan-2-yl)pyrrolidine-2-carboxamide. Grade: ≥95%. Molecular formula: C14H26N4O3. Mole weight: 298.39.
Leuprolide Acetate
Synthetic nonapeptide agonist analog of LH-RH. Antineoplastic (hormonal). Group: Biochemicals. Alternative Names: 6-D-Leucine-9- (N-ethyl-L-prolinamide ) -10-deglycinamide luteinizing Hormone-Releasing Factor Acetate(Pig); A 43818; Abbott 43818; Leuprorelin Acetate; Lupron; Procren Depot; Procrin; Prostap; TAP 144; TAP 144SR. Grades: Highly Purified. CAS No. 74381-53-6. Pack Sizes: 10mg, 25mg. Molecular Formula: C??H??N??O??, Molecular Weight: 1269.45. US Biological Life Sciences.
Labeled synthetic nonapeptide agonist analog of LH-RH. Antineoplastic (hormonal). Group: Biochemicals. Alternative Names: 6-D-Leucine-9-(N-ethyl-L-prolinamide)-. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
Leuprorelin EP Impurity A
Leuprorelin EP Impurity A. Uses: For analytical and research use. CAS No. 62621-13-0. Molecular formula: C59H84N16O12. Mole weight: 1209.42. Catalog: APB62621130.
Leuprorelin EP Impurity B
Leuprorelin EP Impurity B. Uses: For analytical and research use. CAS No. 112642-11-2. Molecular formula: C59H84N16O12. Mole weight: 1209.42. Catalog: APB112642112.
Leuprorelin EP Impurity C
Leuprorelin EP Impurity C. Uses: For analytical and research use. CAS No. 54785-87-4. Molecular formula: C59H84N16O12. Mole weight: 1209.42. Catalog: APB54785874.
Leuprorelin EP Impurity D
Leuprorelin EP Impurity D. Uses: For analytical and research use. CAS No. 1926163-25-8. Molecular formula: C61H86N16O13. Mole weight: 1251.46. Catalog: APB1926163258.
Leuprorelin EP Impurity E
Leuprorelin EP Impurity E. Uses: For analytical and research use. CAS No. 1926163-23-6. Molecular formula: C59H84N16O12. Mole weight: 1209.42. Catalog: APB1926163236.
Leuprorelin EP Impurity F
Leuprorelin EP Impurity F. Uses: For analytical and research use. CAS No. 1872435-00-1. Molecular formula: C59H84N16O12. Mole weight: 1209.42. Catalog: APB1872435001.
Leuprorelin EP Impurity G
Leuprorelin EP Impurity G. Uses: For analytical and research use. CAS No. 112710-57-3. Molecular formula: C59H84N16O12. Mole weight: 1209.42. Catalog: APB112710573.
Leuprorelin EP Impurity H
Leuprorelin EP Impurity H. Uses: For analytical and research use. CAS No. 112710-58-4. Molecular formula: C59H84N16O12. Mole weight: 1209.42. Catalog: APB112710584.
Leuprorelin EP Impurity I
Leuprorelin EP Impurity I. Uses: For analytical and research use. CAS No. 1926163-26-9. Molecular formula: C59H84N16O12. Mole weight: 1209.42. Catalog: APB1926163269.
Leuprorelin EP Impurity J
Leuprorelin EP Impurity J. Uses: For analytical and research use. Molecular formula: C62H85N17O12. Mole weight: 1360.47. Catalog: APB08339.
Leuprorelin EP Impurity K
Leuprorelin EP Impurity K. Uses: For analytical and research use. Molecular formula: C59H82N16O11. Mole weight: 1191.41. Catalog: APB08340.
Leuprorelin Impurity 12
Leuprorelin Impurity 12. Uses: For analytical and research use. CAS No. 129244-90-2. Molecular formula: C34H57N9O6. Mole weight: 687.89. Catalog: APB129244902.
Leuprorelin Impurity 13
Leuprorelin Impurity 13. Uses: For analytical and research use. CAS No. 35925-21-4. Molecular formula: C22H24N6O5. Mole weight: 452.27. Catalog: APB35925214.
Leuprorelin Impurity 14
Leuprorelin Impurity 14. Uses: For analytical and research use. CAS No. 1642799-35-6. Molecular formula: C54H79N15O10. Mole weight: 1098.32. Catalog: APB1642799356.
Leuprorelin Impurity 15
Leuprorelin Impurity 15. Uses: For analytical and research use. CAS No. 38482-70-1. Molecular formula: C36H41N9O10. Mole weight: 759.78. Catalog: APB38482701.
Leuprorelin Impurity 16
Leuprorelin Impurity 16. Uses: For analytical and research use. CAS No. 202333-85-5. Molecular formula: C37H62N10O8. Mole weight: 774.96. Catalog: APB202333855.
Leuprorelin Impurity 17
Leuprorelin Impurity 17. Uses: For analytical and research use. CAS No. 134053-51-3. Molecular formula: C66H86N18O12. Mole weight: 1323.53. Catalog: APB134053513.
Leurosine sulfate
Leurosine sulfate. Group: Biochemicals. Alternative Names: 4b-Acetoxy-3'a,4'-epoxy-3-hydroxy-16-methoxy-(4'a H)-vincaleukoblast-6-ene-23,22'-dioic acid dimethyl ester sulfate; Vinleurosine sulfate; Lilly 32645. Grades: Highly Purified. CAS No. 54081-68-4. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C46H56N4O9·½H2SO4. US Biological Life Sciences.
Worldwide
Leuseramycin
It is produced by the strain of Str. hygroscopicus TM-531. It's a polyether antibiotic. It has anti-gram-positive bacteria, plant pathogenic bacteria and some protozoa effects. Synonyms: (2R,4S,8R,E)-8-((2R,2'S,4'S,5R,5'S,7S,7'S,8S,9S,9'R,10'S)-9-hydroxy-2'-((2S,3S,5S,6S)-6-hydroxy-3,5,6-trimethyltetrahydro-2H-pyran-2-yl)-9'-(((2R,5R,6R)-5-methoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2,4',8,10'-tetramethyl-1,1',6,6'-tetraoxa[2,7'-bispiro[4.5]decan]-7-yl)-2,4,6-trimethyl-5-oxonon-6-enoic acid; 30-Deoxydianemycin; Antibiotic TM-531; TM-531. Grade: 95%. CAS No. 73537-10-7. Molecular formula: C47H78O13. Mole weight: 851.12.
Leu-Ser-Phe-OH
Leu-Ser-Phe-OH. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 25mg, 1g. US Biological Life Sciences.
Leu-Trp-OMe·HCl. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg, 500mg, 1g, 2g. US Biological Life Sciences.
Worldwide
Leu-Trp-OMe·HCl ≥97% (HPLC)
Leu-Trp-OMe·HCl ≥97% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g, 2.5g. US Biological Life Sciences.
Worldwide
Leu-Val-OH
Leu-Val-OH. Group: Biochemicals. Grades: Reagent Grade. CAS No. 13588-95-9. Pack Sizes: 1g, 2.5g. US Biological Life Sciences.
Worldwide
Leu-Val-OH
Leu-Val-OH. Synonyms: L-Leucyl-L-valine; Leu Val OH. Grade: ≥ 99% (HPLC). CAS No. 13588-95-9. Molecular formula: C11H22N2O3. Mole weight: 230.31.
Levacetylleucine
Levacetylleucine (N-acetyl-L-leucine), an orally bioavailable and brain-penetrant compound, is an acetylated derivative of amino acid Leucine. Levacetylleucine is the active form of N-acetyl-leucine (NAL). Levacetylleucine attenuates neuronal death and neuroinflammation in the cortical tissue of mice. Levacetylleucine also potentially improves ameliorates lysosomal and metabolic dysfunction. Levacetylleucine improves compensation of postural symptoms after unilateral chemical labyrinthectomy (UL) in rats. Levacetylleucine is promising for research of neurological manifestations of Niemann-Pick disease type C, traumatic brain injury and neurodegeneration prevention[1][2][3][4]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: N-Acetyl-L-leucine. CAS No. 1188-21-2. Pack Sizes: 10 mM * 1 mL in DMSO; 500 mg; 1 g; 5 g; 10 g; 25 g; 50 g; 100 g; 250 g; 500 g; 1000 g. Product ID: HY-59291.
Levadopa Related Compound A
Levadopa Related Compound A. Uses: For analytical and research use. CAS No. 27244-64-0. Mole weight: 213.19. Catalog: AP27244640.
Levalbuterol ((R)-Albuterol) hydrochloride is a short-acting β2-adrenergic receptor agonist and the active (R)-enantiomer of Salbutamol. Levalbuterol hydrochloride is a more potent bronchodilator than Salbutamol and has the potential for the treatment of COPD[1]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: (R)-Albuterol hydrochloride; (R)-Salbutamol hydrochloride; Levosalbutamol hydrochloride. CAS No. 50293-90-8. Pack Sizes: 10 mM * 1 mL in Water; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-B1675A.
Levalbuterol hydrochloride (Standard)
Levalbuterol (hydrochloride) (Standard) is the analytical standard of Levalbuterol (hydrochloride). This product is intended for research and analytical applications. Levalbuterol ((R)-Albuterol) hydrochloride is a short-acting β2-adrenergic receptor agonist and the active (R)-enantiomer of Salbutamol. Levalbuterol hydrochloride is a more potent bronchodilator than Salbutamol and has the potential for the treatment of COPD[1]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: (R)-Albuterol hydrochloride (Standard); (R)-Salbutamol hydrochloride (Standard); Levosalbutamol hydrochloride (Standard). CAS No. 50293-90-8. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-B1675AR.
Levalbuterol Impurity 12
Levalbuterol Impurity 12. Uses: For analytical and research use. Alternative Names: N-(tert-butyl)-N-(2-hydroxy-2-(4-hydroxy-3-(hydroxymethyl)phenyl)ethyl)nitrous amide. Molecular formula: C13H20N2O4. Mole weight: 268.31. Catalog: APB02192.
Levalbuterol Related Compound B
Levalbuterol Related Compound B. Uses: For analytical and research use. CAS No. 18910-68-4. Mole weight: 223.31. Catalog: AP18910684.
Levalbuterol Related Compound C
Levalbuterol Related Compound C. Uses: For analytical and research use. CAS No. 18910-70-8. Mole weight: 253.34. Catalog: AP18910708.
Levalbuterol Related Compound D
Levalbuterol Related Compound D. Uses: For analytical and research use. CAS No. 156339-88-7 (free base). Mole weight: 572.67. Catalog: ALP156339887.
Levalbuterol Related Compound E
Levalbuterol Related Compound E. Uses: For analytical and research use. CAS No. 754926-25-5. Mole weight: 267.36. Catalog: AP754926255.
Levalbuterol Related Compound F
Levalbuterol Related Compound F. Uses: For analytical and research use. CAS No. 174607-68-2. Mole weight: 329.43. Catalog: AP174607682.
Levalbuterol Related Compound H
Levalbuterol Related Compound H. Uses: For analytical and research use. CAS No. 870076-72-5 (free base). Mole weight: 313.39. Catalog: ALP870076725.
Levamisole
Levamisole ((-)-Levamisole), an anthelmintic agent with immunomodulatory properties. Levamisole acts as a positive allosteric modulator (PAM) for the α3β2 (EC50=300 μM) and α3β4 (EC50=100 μM) subtype of nAChRs. Orally active[1][2]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: (-)-Tetramisole. CAS No. 14769-73-4. Pack Sizes: 10 mM * 1 mL in DMSO; 100 mg; 500 mg; 1 g; 5 g. Product ID: HY-A0106.
Levamisole-d5 hydrochloride
Levamisole-d5 hydrochloride. Alternative Names: (6S)-. CAS No. 1246819-64-6. Product ID: ACM1246819646. Molecular formula: C11H8D5ClN2S. Mole weight: 245.78. Alfa Chemistry - ISO 9001:32057 Certified.
Levamisole-d5 hydrochloride
Levamisole-d5 (hydrochloride) is the deuterium labeled Levamisole hydrochloride. Levamisole ((-)-Tetramisole) hydrochloride is an anthelmintic and immunomodulator belonging to a class of synthetic imidazothiazole derivatives. Levamisole hydrochloride has antiviral effects against HSV[1][2]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: (-)-Tetramisole-d5 hydrochloride. CAS No. 1246819-64-6. Pack Sizes: 1 mg. Product ID: HY-13666S.