A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
L-Leucine allyl ester 4-toluenesulfonate salt. Group: Biochemicals. Alternative Names: L-Leu-OAll·TosOH. Grades: Highly Purified. CAS No. 88224-03-7. Pack Sizes: 2g, 5g, 10g, 25g, 50g. US Biological Life Sciences.
Worldwide
L-Leucine allyl ester 4-toluenesulfonate salt 98+% (HPLC)
L-Leucine allyl ester 4-toluenesulfonate salt 98+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. CAS No. 88224-03-7. Pack Sizes: 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
L-Leucine α-naphthylamide
A substrate for a histochemical assay of aminopeptidase M. Alternative Names: L-Leu-αNA; (2S)-2-amino-4-methyl-N-naphthalen-1-ylpentanamide. Grades: ≥ 98% (TLC). CAS No. 203793-55-9. Molecular formula: C16H20N2O. Mole weight: 256.35.
L-Leucine alpha-naphthylamide
L-Leucine alpha-naphthylamide. Group: Biochemicals. Alternative Names: L-Leu-aNA. Grades: Highly Purified. CAS No. 203793-55-9. Pack Sizes: 250mg, 500mg, 1g. US Biological Life Sciences.
L-Leucine amide. Group: Biochemicals. Alternative Names: L-Leu-NH2. Grades: Highly Purified. CAS No. 687-51-4. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences.
Worldwide
L-Leucine amide 98+% (GC)
L-Leucine amide 98+% (GC). Group: Biochemicals. Grades: GC. CAS No. 687-51-4. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
L-Leucine amide hydrochloride
L-Leucinamide Hydrochloride, is a derivative of Leucine, which is an essential amino acid, and acts as a nutrient signal to stimulate protein synthesis. L-Leucinamide Hydrochloride, is shown to be the potential elicitor of insulin secretion in rats. Alternative Names: L-Leu-NH2 HCl; [(2S)-1-amino-4-methyl-1-oxopentan-2-yl]azanium; (R)-2-Amino-4-Methylvaleramide; L-Leucinamide Hydrochloride. Grades: ≥ 99% (HPLC). CAS No. 10466-61-2. Molecular formula: C6H14N2O·HCl. Mole weight: 166.70.
L-Leucine amide hydrochloride
L-Leucine amide hydrochloride. Group: Biochemicals. Alternative Names: L-Leu-NH2·HCl. Grades: Highly Purified. CAS No. 10466-61-2. Pack Sizes: 10g, 25g, 50g, 100g. US Biological Life Sciences.
Worldwide
L-Leucine amide hydrochloride 99+% (HPLC)
L-Leucine amide hydrochloride 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
L-Leucine, b-alanyl-
L-Leucine, b-alanyl-. Alternative Names: H-Beta-Ala-Leu-OH; (S)-2-(3-aminopropanamido)-4-methylpentanoic acid. CAS No. 17136-25-3. Molecular formula: C9H18N2O3. Mole weight: 202.25.
L-Leucine benzyl ester hydrochloride. Alternative Names: H-Leu-OBzl HCl. Grades: 95%. CAS No. 2462-35-3. Molecular formula: C13H20ClNO2. Mole weight: 257.76.
L-Leucine β-naphthylamide
L-Leucine β-naphthylamide. Alternative Names: H-Leu-βNA. CAS No. 732-85-4. Molecular formula: C16H20N2O. Mole weight: 256.34.
L-Leucine β-naphthylamide hydrochloride
A substrate for the assay of leucine-aminopeptidase. Alternative Names: L-Leu-βNA HCl; (2S)-2-amino-4-methyl-N-naphthalen-2-ylpentanamide hydrochloride; L-Leucine alpha-naphthylamide hydrochloride. Grades: ≥ 99% (TLC). CAS No. 893-36-7. Molecular formula: C16H20N2O·HCl. Mole weight: 292.90.
L-Leucine b-naphthylamide hydrochloride
L-Leucine b-naphthylamide hydrochloride. Group: Biochemicals. Alternative Names: L-Leu-bNA·HCl. Grades: Highly Purified. CAS No. 893-36-7. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C16H20N2O·HCl. US Biological Life Sciences.
L-Leucine chloromethyl ketone hydrochloride ≥95%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences.
Worldwide
L-Leucine-d10
L-Leucine-d10 is the deuterium labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 106972-44-5. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-N0486S.
L-Leucine-d2
L-Leucine-d2 is the deuterium labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 362049-59-0. Pack Sizes: 1 mg; 5 mg. Product ID: HY-N0486S12.
L-Leucine-d3
L-Leucine-d3 is the deuterium labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 87828-86-2. Pack Sizes: 10 mM * 1 mL in Water; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-N0486S9.
L-Leucine-d3
Labeled L-Leucine used as tracers to study human apolipoprotein B metabolism. L-Leucine is an essential amino acid. L-Leucine acts as a nutrient signal to stimulate protein synthesis. It has also activates the mammalian target of rapamycin kinase that regulates cell growth. Group: Biochemicals. Alternative Names: (2S)-2-Amino-4-methylpentanoic Acid-d3; (S)-(+)-Leucine-d3; (S)-2-Amino-4-methylpentanoic Acid-d3; (S)-2-Amino-4-methylvaleric Acid-d3; (S)-Leucine-d3; L-(+)-Leucine-d3; L-2-Amino-4-methylpentanoic Acid-d3; L-α-Aminoisocaproic Acid-d3; NSC 46709-d3. Grades: Highly Purified. CAS No. 87828-86-2. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
L-leucine Dehydrogenase (Crude Enzyme)
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH 2 group of donors with NAD + or NADP + as acceptor. This product with the indicated enzyme activity was briefly purified from engineered E. coli. Applications: Analysis; synthesis; biotechnology. 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. Activity: Undetermined. Appearance: Clear to translucent yellow solution. Storage: at -20 °C or lower, for at least 1 month. Source: E. coli. L-leucine dehydrogenase; L-leucine:NAD + oxidoreductase, deaminating; LeuDH. Pack: 100ml. Cat No: NATE-1805.
L-Leucine ethyl ester HCl
L-Leucine ethyl ester HCl. Group: Biochemicals. Grades: Highly Purified. CAS No. 2743-40-0. Pack Sizes: 25g, 50g, 100g. US Biological Life Sciences.
LLME is a lysosomotropic dipeptide which has selective toxicity for NK cells, CTL, and M phi without adverse effects on a variety of other lymphoid or nonlymphoid cell types. Alternative Names: L-Leucyl-L-Leucine methyl ester (hydrobromide); Leu-Leu methyl ester hydrobromide; (S)-Methyl 2-((S)-2-amino-4-methylpentanamido)-4-methylpentanoate hydrobromide; LLME HBr. CAS No. 16689-14-8. Molecular formula: C13H27BrN2O3. Mole weight: 339.27.
L-Leucine methyl ester hydrochloride
L-Leucine methyl ester is a protected form of L-Leucine. L-Leucine is an essential amino acid that induces a sharp decrease in blood glucose levels in individuals with idiopathic familial hypoglycemia, but has no known effects on normal, healthy individuals. L-Leucine also acts as an isoleucine antagonist in the rat, causing delays in growth, and is a potential tumour promoter of bladder cancer. Alternative Names: L-Leu-OMe HCl; (S)-2-Amino-4-methyl-pentanoic acid methyl ester hydrochloride; Methyl L-leucinate hydrochloride; methyl(2S)-2-amino-4-methylpentanoate hydrochloride. Grades: ≥ 98% (HPLC). CAS No. 7517-19-3. Molecular formula: C7H15NO2·HCl. Mole weight: 181.70.
L-Leucine methyl ester hydrochloride
25g Pack Size. Group: Amino Acids. Formula: C7H15NO2 · HCl. CAS No. 7517-19-3. Prepack ID 19603006-25g. Molecular Weight 181.66. See USA prepack pricing.
L-Leucine methyl ester hydrochloride
L-Leucine methyl ester hydrochloride. Group: Biochemicals. Grades: Highly Purified. CAS No. 7517-19-3. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C7H16CINO2. US Biological Life Sciences.
Worldwide
L-Leucine methyl ester hydrochloride 99+%
L-Leucine methyl ester hydrochloride 99+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 25g, 100g, 1Kg. US Biological Life Sciences.
L-Leucine N-methylamide hydrochloride. Alternative Names: H-Leu-NHMe HCl. CAS No. 99145-71-8. Molecular formula: C7H17ClN2O. Mole weight: 180.68.
L-Leucine, reagent grade, ≥98% (HPLC)
L-Leucine, reagent grade, ≥98% (HPLC). Alternative Names: (S)-2-Amino-4-methylpentanoic acid. CAS No. 61-90-5. Product ID: ACM61905-2. Molecular formula: (CH3)2CHCH2CH(NH2)CO2H. Mole weight: 131.17. ECNumber: 200-522-0. Alfa Chemistry - ISO 9001:32057 Certified.
L-Leucine tert-butyl ester hydrochloride
L-Leucine tert-butyl ester hydrochloride is a protected form of L-Leucine. L-Leucine is an essential amino acid that induces a sharp decrease in blood glucose levels in individuals with idiopathic familial hypoglycemia, but has no known effects on normal, healthy individuals. L-Leucine also acts as an Isoleucine antagonist in the rat, causing delays in growth, and is a potential tumour promoter of bladder cancer. Alternative Names: L-Leucine, 1,1-dimethylethyl ester, hydrochloride (1:1); L-Leucine, 1,1-dimethylethyl ester, hydrochloride; Leucine, tert-butyl ester, hydrochloride; Leucine, tert-butyl ester, hydrochloride, L-; L-Leu-OtBu HCl; tert-Butyl (S)-2-amino-4-methylpentanoate hydrochloride; tert-Butyl L-leucinate hydrochloride. Grades: ≥95%. CAS No. 2748-2-9. Molecular formula: C10H21NO2.HCl. Mole weight: 223.74.
L-Leucine tert-butyl ester hydrochloride
L-Leucine tert-butyl ester hydrochloride. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
L-Leucinol
A reversible inhibitor of protein synthesis and starting material for the synthesis of aminopeptidase N and phospholipase A2 inhibitors. Alternative Names: (S)-(+)-Leucinol; H-Leucinol; L-(+)-Leucinol; (2S)-2-amino-4-methylpentan-1-ol. CAS No. 7533-40-6. Molecular formula: C6H15NO. Mole weight: 117.2.
L-Leucinol
L-Leucinol. Group: Biochemicals. Grades: Highly Purified. CAS No. 7533-40-6. Pack Sizes: 10g, 25g, 50g, 100g. US Biological Life Sciences.
Worldwide
L-Leucinol 98+%
L-Leucinol 98+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g, 250g. US Biological Life Sciences.
L-Leucyl-L-glutamine is a dipeptide composed of leucine (L-Leu) and glutamine (L-Gln) linked together. Leucine is a hydrophobic, branched-chain amino acid that plays a role in protein synthesis and regulation, while glutamine is a polar, amide-containing amino acid important for nitrogen metabolism and cellular energy. The combination of these residues in a dipeptide can influence protein structure and function, and this specific dipeptide may be utilized in research related to protein interactions, enzyme activity, or as a potential building block in peptide synthesis. Alternative Names: LQ; Leu-Gln; H-Leu-Gln-OH; H-LQ-OH; (S)-5-Amino-2-((S)-2-amino-4-methylpentanamido)-5-oxopentanoic acid; N2-Leucyl-glutamine; L-Glutamine, N2-L-leucyl-; Glutamine, N2-leucyl-, L-. Grades: ≥95%. CAS No. 38062-70-3. Molecular formula: C11H21N3O4. Mole weight: 259.30.
L-Leucyl-L-Leucine methyl ester hydrobromide
L-Leucyl-L-Leucine methyl ester (LLOMe) hydrobromide, a dipeptide condensation product of L-leucine methyl ester generated by human monocytes or polymorphonuclear leukocytes, selectively eliminates lymphocytes with cytotoxic potential. L-Leucyl-L-Leucine methyl ester hydrobromide also can induce endolysosomal pathway stress[1][2][3]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: LLOMe hydrobromide; Leu-Leu methyl ester hydrobromide; H-Leu-Leu-OMe hydrobromide. CAS No. 16689-14-8. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-129905A.
L-Leucyl-L-Leucine methyl ester hydrochloride
L-Leucyl-L-Leucine methyl ester (LLOMe) hydrochloride, a dipeptide condensation product of L-leucine methyl ester generated by human monocytes or polymorphonuclear leukocytes, selectively eliminates lymphocytes with cytotoxic potential. L-Leucyl-L-Leucine methyl ester hydrochloride also can induce endolysosomal pathway stress[1][2][3]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: LLOMe hydrochloride; Leu-Leu methyl ester hydrochloride; H-Leu-Leu-OMe hydrochloride. CAS No. 6491-83-4. Pack Sizes: 10 mM * 1 mL in DMSO; 100 mg; 250 mg. Product ID: HY-129905.
L-Leucyl-L-phenylalanine methylamide
L-Leucyl-L-phenylalanine methylamide. Alternative Names: Leu-Phe-NHMe. Grades: ≥ 95%. CAS No. 169812-43-5. Molecular formula: C16H25N3O2. Mole weight: 291.39.
L-Leucyl-L-phenylalanine methylamide
L-Leucyl-L-phenylalanine methylamide. Group: Biochemicals. Alternative Names: Leu-Phe-NHMe. Grades: Highly Purified. Pack Sizes: 500mg, 1g, 2g. US Biological Life Sciences.
Worldwide
L-Leucyl-L-phenylalanine methylamide ≥95% (TLC)
L-Leucyl-L-phenylalanine methylamide ≥95% (TLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 2.5g. US Biological Life Sciences.
Worldwide
L-Leucyl-L-tyrosine
L-Leucyl-L-tyrosine. Alternative Names: Leucyltyrosine; Leu-Tyr; N-L-Leucyl-L-tyrosine; (S)-2-((S)-2-Amino-4-methylpentanamido)-3-(4-hydroxyphenyl)propanoic acid. Grades: >98.0%(T). CAS No. 968-21-8. Molecular formula: C15H22N2O4. Mole weight: 294.36.
L-Leu-D-Val-OH
L-Leu-D-Val-OH. Alternative Names: H-Leu-D-Val-OH; (R)-2-((S)-2-Amino-4-methylpentanamido)-3-methylbutanoic acid. CAS No. 17665-00-8. Molecular formula: C11H22N2O3. Mole weight: 230.30.
LL-F 28249beta
LL-F 28249beta is a macrolide antibiotic with parasitic action from Streptomyces Cyaneogriseus sp. Noncyanogenus. Alternative Names: LL-F28249 beta; Milbemycin B, 5-O-demethyl-28-deoxy-6,28-epoxy-23-hydroxy-25-(1-methyl-1-propenyl)-, (6S,23S,25S(E))-. CAS No. 102042-08-0. Molecular formula: C34H48O8. Mole weight: 584.74.
LL-F 28249gamma
LL-F 28249gamma is a macrolide antibiotic with parasitic action from Streptomyces Cyaneogriseus sp. Noncyanogenus. Alternative Names: LL-F28249 gamma; Milbemycin B, 28-deoxy-6-28-epoxy-23-hydroxy-25-(1-methyl-1-propenyl)-. CAS No. 102042-18-2. Molecular formula: C35H50O8. Mole weight: 598.76.
LL-F 28249lambda
LL-F 28249lambda is a macrolide antibiotic with parasitic action from Streptomyces Cyaneogriseus sp. Noncyanogenus. Alternative Names: LL-F28249 Lambda; Milbemycin B, 28-deoxy-25-(1,3-dimethyl-1-butenyl)-6,28-epoxy-23-hydroxy-. CAS No. 102042-12-6. Molecular formula: C37H54O8. Mole weight: 626.82.
LL-K12-18
LL-K12-18 is a CDK12 kinase inhibitor and a dual-site molecular glue. LL-K12-18 inhibits human CDK12 with an IC50 value of 283.9 nM, and selectively degrades cyclin K via the ubiquitin-proteasome system by stabilizing the CDK12-DDB1 complex. LL-K12-18 downregulates DNA damage response genes, reduces the phosphorylation level of CTD Ser2 in RNA polymerase II, and modulates biomarkers such as ATM, RAD51, γ-H2AX and cleaved PARP, thereby effectively inducing apoptosis and inhibiting proliferation of breast cancer cells. LL-K12-18 exhibits high target selectivity and serves as a research tool for studies on triple-negative breast cancer[1][2]. Uses: Scientific research. Category: Signaling pathways. CAS No. 3081311-94-3. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-163944.
LLK203
LLK203 is a potent USP2/USP8 dual-target inhibitor with IC50s of 0.89 μM and 0.52 μM, respectively. LLK203 leads a degradation of ERα and induces apoptosis of breast cancer MCF-7 cells. LLK203 demonstrates antitumor activities against the 4T1 tumor mice model[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 2758090-62-7. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-162312.
LLL12
LLL12 is a small molecule inhibitor of STAT3 that inhibits STAT3 phosphorylation. LLL12 enhanced the inhibitory effect of Cisplatin (HY-17394) and Paclitaxel (HY-B0015) on ovarian cancer cell formation, migration, and growth[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 1260247-42-4. Pack Sizes: 10 mM * 1 mL in DMSO; 1 mg; 5 mg; 10 mg. Product ID: HY-19536.
L-lsoleucine
L-isoleucine is one of the essential amino acids in human body, and is commonly used as raw material for amino acid injection and complex amino acid infusion. CAS No. 73-32-5. Product ID: CDF4-0223. Molecular formula: C6H13NO2. Category: Amino acid. Product Keywords: Amino Acids; L-lsoleucine; CDF4-0223; Amino acid; C6H13NO2; 73-32-5. Grade: Food Grade. Color: White to Off-white. EC Number: 200-798-2. Physical State: powder. Solubility: 1 M HCl: 50 mg/mL. Storage: Store below +30°C. Boiling Point: 225.8±23.0 °C(Predicted). Melting Point: 288 °C (dec.) (lit.). Density: 1.2930 (estimate).
L-Luciferin
L-Luciferin. Alternative Names: L-Luciferin; L-Luciferin free acid. CAS No. 34500-31-7. Molecular formula: C11H8N2O3S2. Mole weight: 280.32.
LLY-283
LLY-283, a chemical probe, is a potent, selective and oral protein arginine methyltransferase 5 (PRMT5) inhibitor, with an IC50 of 22 nM and a Kd of 6 nM for PRMT5:MEP50 complex, and shows antitumor activity[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 2040291-27-6. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-107777.
LLY-284
LLY-284 is the diastereomer of LLY-283 with much less active. LLY-283 is a potent inhibitor of PRMT5. LLY-284 has the potential for the research of cancer diseases[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 2226515-75-7. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-107777A.
LLY-507
LLY-507 is a potent and selective inhibitor of protein-lysine methyltransferase SMYD2. LLY-507 potently inhibits the ability of SMYD2 to methylate p53 peptide with an IC50 <15 nM. LLY-507 serves as a valuable chemical probe to aid in the dissection of SMYD2 function in cancer and other biological processes[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 1793053-37-8. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-19313.
L-Lysinamide
L-Lysinamide. Alternative Names: Lysine amide; Hexanamide, 2,6-diamino-, (2S)-; lysinamide. CAS No. 32388-19-5. Molecular formula: C6H15N3O. Mole weight: 145.21.