BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.
L-threo-β-Hydroxyaspartic acid is an amino acid antibiotic produced by Arthrinium phaeospermum T-53 and Streptomyces sp. 7540-MC1. It has the activity of inhibiting Bacillus subtilis, Xanthomonas oryzae, Mycobacterium phlei and Botrytis cinerea. Synonyms: (3R)-3-hydroxy-L-aspartic acid; Erythro-beta-hydroxy-L-aspartic acid; erythro-beta-Hydroxyaspartic acid; (3R)-3-Hydroxyaspartate. Grades: 95%. CAS No. 7298-98-8. Molecular formula: C4H7NO5. Mole weight: 149.10.
L-Threoninamide
Cas No. 49705-99-9. Molecular formula: C4H10N2O2. Mole weight: 118.1.
(L-Threoninol(Ac)8)-Octreotide
(L-Threoninol(Ac)8)-Octreotide is a potential impurity of octreotide. Synonyms: H-D-Phe-Cys-Phe-D-Trp-Lys-Thr-Cys-L-threoninol(Ac) (Disulfide bridge: Cys2-Cys7). Molecular formula: C51H68N10O11S2. Mole weight: 1061.29.
L-Thyroxine
L-Thyroxine is a synthetic form of thyroxine and a hormone replacement drug. Synonyms: Levothyroxine; NSC 36397; NSC36397; NSC-36397. Grades: >98%. CAS No. 51-48-9. Molecular formula: C15H11I4NO4. Mole weight: 776.87.
L-Tryptophan,L-phenylalanyl-
It is a highly potent ACE inhibitor. Synonyms: Phenylalanyltryptophan; L-phenylalanyl-L-tryptophan; Phe-Trp; FW dipeptide; Phenylalanine Tryptophan dipeptide. CAS No. 24587-41-5. Molecular formula: C20H21N3O3. Mole weight: 351.40.
L-tyrosyl-L-aspartic acid
L-tyrosyl-L-aspartic acid is a dipeptide composed of tyrosine and aspartic acid. It is an incomplete breakdown product of protein digestion or protein catabolism. Synonyms: H-YD-OH; Tyrosyl-aspartate; Tyr-Asp; YD dipeptide; Tyrosyl-aspartic acid; N-L-tyrosyl-L-aspartic acid; (S)-2-[(S)-2-Amino-3-(4-hydroxy-phenyl)-propionylamino]-succinic acid. Grades: >90% by HPLC. CAS No. 87085-11-8. Molecular formula: C13H16N2O6. Mole weight: 296.28.
LX7101 is a pyrrolopyrimidine-based, topically-delivered inhibitor of LIM domain kinase 2 (LIMK2), a kinase associated with the regulation of intraocular pressure. It is also a ROCK inhibitor used for the treatment of glaucoma. LX7101 acts by enhancing fl. Uses: Lx7101 is a lim domain kinase 2 (limk2) inhibitor which could be probably effective in the treatment of glaucoma. Synonyms: 3-(4-(aminomethyl)-1-(5-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidine-4-carboxamido)phenyl dimethylcarbamate hydrochloride. Grades: > 95%. CAS No. 1192189-69-7. Molecular formula: C23H30ClN7O3. Mole weight: 487.99.
LY2510924 acetate
Ly2510924 acetate is a potent and selective CXCR4 antagonist that prevents the binding of SDF-1 to CXCR4 with an IC50 of 0.079 nM. It has potential antineoplastic activity. Synonyms: L-Lysinamide, L-phenylalanyl-L-tyrosyl-N6-(1-methylethyl)-L-lysyl-D-arginyl-3-(2-naphthalenyl)-L-alanylglycyl-D-α-glutamyl-N6-(1-methylethyl)-, (7?1)-lactam, acetate (1:1); LY 2510924 acetate; LY-2510924 acetate; N(1)Phe-Tyr-Lys(iPr)-D-Arg-2Nal-Gly-D-Glu(1)-Lys(iPr)-NH2 acetate. Grades: ≥95%. Molecular formula: C62H88N14O10.C2H4O2. Mole weight: 1249.53.
LY 294002
Cas No. 154447-36-6.
LyeTxI-bPEG
LyeTxI-bPEG is effective against carbapenem-resistant Acinetobacter baumannii in an in vivo model of pneumonia and shows reduced toxicity. Synonyms: Pegylated LyeTx I-b peptide.
Lyn peptide inhibitor acetate
Lyn peptide inhibitor acetate is a potent and cell-permeable inhibitor of the Lyn-coupled IL-5 receptor signaling pathway, while keeping other signals intact. It blocks Lyn activation and inhibits the binding of Lyn tyrosine kinase to the βc subunit of IL-3/GM-CSF/IL-5 receptors. It can be used for the study of asthma, allergic, and other eosinophilic disorders. Synonyms: stearoyl-Tyr-Gly-Tyr-Arg-Leu-Arg-Arg-Lys-Trp-Glu-Glu-Lys-Ile-Pro-Asn-Pro-NH2.CH3CO2H; N-stearoyl-L-tyrosyl-glycyl-L-tyrosyl-L-arginyl-L-leucyl-L-arginyl-L-arginyl-L-lysyl-L-tryptophyl-L-alpha-glutamyl-L-alpha-glutamyl-L-lysyl-L-isoleucyl-L-prolyl-L-asparagyl-L-prolinamide acetic acid; N-(1-Oxooctadecyl)-L-tyrosylglycyl-L-tyrosyl-L-arginyl-L-leucyl-L-arginyl-L-arginyl-L-lysyl-L-tryptophyl-L-α-glutamyl-L-α-glutamyl-L-lysyl-L-isoleucyl-L-prolyl-L-asparaginyl-L-prolinamide acetate. Grades: ≥95%. CAS No. 2918771-52-3. Molecular formula: C117H188N30O26. Mole weight: 2430.98.
(Lys22)-Amyloid β-Protein (1-40)
(Lys22)-Amyloid β-Protein (1-40) is an Italian mutation of β-amyloid 1-40 (E22K), which aggregates faster than wild-type sequence 1-40. It exhibits higher neurotoxicity, probably due to the salt bridge formed between Lys22 and Asp23 in the minor conformer. Like the Arctic, Flemish and Dutch mutants, it is degraded by neprilysin much more slowly than the wild-type A&beta. Synonyms: Amyloid β-Protein (1-40) Italian Mutation; H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Lys-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-OH; L-Valine, L-α-aspartyl-L-alanyl-L-α-glutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-α-aspartyl-L-serylglycyl-L-tyrosyl-L-α-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-lysyl-L-α-aspartyl-L-valylglycyl-L-seryl-L-asparaginyl-L-lysylglycyl-L-alanyl-L-isoleucyl-L-isoleucylglycyl-L-leucyl-L-methionyl-L-valylglycylglycyl-L-valyl-. Grades: ≥95%. CAS No. 302905-01-7. Molecular formula: C195H300N54O56S. Mole weight: 4328.92.
(Lys22)-Amyloid β-Protein (1-42)
(Lys22)-Amyloid β-Protein (1-42), the Italian mutation (E22K), aggregates faster than the wild-type sequence. Synonyms: Amyloid β-Protein (1-42) Italian Mutation; H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Lys-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-Ile-Ala-OH; L-alpha-aspartyl-L-alanyl-L-alpha-glutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-alpha-aspartyl-L-seryl-glycyl-L-tyrosyl-L-alpha-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-lysyl-L-alpha-aspartyl-L-valyl-glycyl-L-seryl-L-asparagyl-L-lysyl-glycyl-L-alanyl-L-isoleucyl-L-isoleucyl-glycyl-L-leucyl-L-methionyl-L-valyl-glycyl-glycyl-L-valyl-L-valyl-L-isoleucyl-L-alanine. Grades: ≥95%. CAS No. 383200-59-7. Molecular formula: C204H316N56O58S. Mole weight: 4513.16.
Lys-Bradykinin acetate is an endogenous bradykinin receptor agonist with selectivity for the B2 receptor (Ki = 2.54 and 0.63 nM at human B1 and B2 receptors, respectively). It is used as a hypotensive agent that reduces peripheral vascular resistance in vivo. Synonyms: H-Lys-Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg-OH.CH3CO2H; L-lysyl-L-arginyl-L-prolyl-L-prolyl-glycyl-L-phenylalanyl-L-seryl-L-prolyl-L-phenylalanyl-L-arginine acetic acid. Grades: ≥95%. Molecular formula: C58H89N17O14. Mole weight: 1248.43.
Lys-[Des-Arg9]Bradykinin acetate
Lys-[Des-Arg9]Bradykinin acetate is a potent and highly selective bradykinin B1 receptor agonist (Kis are 0.12 and >30000 nM at human B1 and B2 receptors, respectively) with 16-fold potency against [Des-Arg9]-Bradykinin. It is used as a hypotensive agent and reduces peripheral vascular resistance in vivo. Synonyms: H-Lys-Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-OH.CH3CO2H; L-lysyl-L-arginyl-L-prolyl-L-prolyl-glycyl-L-phenylalanyl-L-seryl-L-prolyl-L-phenylalanine acetic acid; 1-9-Kallidin acetate; N2-L-Lysyl-9-de-L-arginine-Bradykinin acetate. Grades: ≥95%. CAS No. 2760881-54-5. Molecular formula: C52H77N13O13. Mole weight: 1092.27.
Lys-Lys-Lys
Lys-Lys-Lys is a cationic moiety that may be used in the construction of gene delivery vectors and DNA nanoparticles. Synonyms: Lysyllysyllysine; l-lysyl-l-lysyl-l-lysine; Trilysine; L-Lysine, L-lysyl-L-lysyl-; (S) -6-Amino-2- ( (S) -6-amino-2- ( (S) -2, 6-diaminohexanamido) hexanamido) hexanoic acid. Grades: ≥97%. CAS No. 13184-14-0. Molecular formula: C18H38 N6 O4. Mole weight: 402.53.
Lysobactin, also known as katanosin B, is a potent antibiotic with in vivo efficacy against Staphylococcus aureus and Streptococcus pneumoniae. It was previously shown to inhibit peptidoglycan (PG) biosynthesis. Synonyms: Katanosin B; Katanosin A, 7-L-isoleucine-. Grades: >98%. CAS No. 118374-47-3. Molecular formula: C58H97N15O17. Mole weight: 1276.48.
Lysyl-asparagine is a dipeptide composed of lysine and asparagine. Synonyms: L-Lysyl-L-asparagine; lysylasparagine; Lys-Asn. CAS No. 19908-06-6. Molecular formula: C10H20N4O4. Mole weight: 260.29.
Lysyl-glutamine
Lysyl-glutamine is a dipeptide composed of Lysine and glutamine. It is an incomplete breakdown product of protein digestion or protein catabolism. Synonyms: L-Glutamine, N2-L-lysyl-; L-Lysyl-L-glutamine; Lys-Gln; Lysylglutamine; H-KQ-OH; N-(2,6-Diamino-1-hydroxyhexylidene)-5-hydroxy-5-iminonorvaline; L-Lys-L-Gln. Grades: ≥95%. CAS No. 92352-82-4. Molecular formula: C11H22N4O4. Mole weight: 274.32.
Lysyl-glycine
Lysyl-glycine is a dipeptide composed of lysine and glycine. It is an incomplete breakdown product of protein digestion or protein catabolism. Synonyms: L-lysylglycine; H-KG-OH; L-lysyl-glycine; Lys-Gly; L-Lys-Gly; Lys-Gly-OH; ((S)-2,6-Diamino-hexanoylamino)-acetic acid; N-L-Lysylglycine; N-Lysylglycine; Lysylglycine. Grades: ≥95%. CAS No. 7563-3-3. Molecular formula: C8H17N3O3. Mole weight: 203.24.
Lysyllysine
Synonyms: Lys-lys; L-Lysyl-L-lysine; L-Lys-L-lys; KK dipeptide; Lysine Lysine dipeptide; (S)-6-Amino-2-((S)-2,6-diaminohexanamido)hexanoic acid. CAS No. 13184-13-9. Molecular formula: C12H26N4O3. Mole weight: 274.36.
Lysyl-phenylalanine
Lysyl-phenylalanine is a dipeptide composed of lysine and phenylalanine. It is an incomplete breakdown product of protein digestion or protein catabolism. Synonyms: lysylphenylalanine; L-Phenylalanine, L-lysyl-; H-KF-OH; Lys-phe; L-lysyl-L-phenylalanine; L-Lys-L-Phe; L-Phenylalanine, N-L-lysyl-; N-(2,6-Diamino-1-hydroxyhexylidene)phenylalanine. Grades: ≥95%. CAS No. 6235-35-4. Molecular formula: C15H23N3O3. Mole weight: 293.36.
Lysyl-serine
Lysyl-serine is a dipeptide composed of lysine and serine. It is an incomplete breakdown product of protein digestion or protein catabolism. Synonyms: Lys-Ser; L-Serine, L-lysyl-; H-KS-OH; L-lysyl-L-serine; L-Serine, N-L-lysyl-; T Cell modulatory peptide. Grades: >90%. CAS No. 6665-19-6. Molecular formula: C9H19N3O4. Mole weight: 233.26.
Lysyl-threonine
Lysyl-threonine is a dipeptide composed of lysine and threonine. It is an incomplete breakdown product of protein digestion or protein catabolism. Synonyms: H-KT-OH; L-lysyl-L-threonine; lysylthreonine; L-Threonine, L-lysyl-; Lys-Thr; L-Threonine, N-L-lysyl-; L-Lys-L-Thr. Grades: >90% by HPLC. CAS No. 97791-84-9. Molecular formula: C10H21N3O4. Mole weight: 247.29.
M40 acetate
M40 acetate is a potent, non-selective antagonist of galanin receptor, and has no effect on chow or fat intake. Synonyms: H-Gly-Trp-Thr-Leu-Asn-Ser-Ala-Gly-Tyr-Leu-Leu-Gly-Pro-Pro-Pro-Ala-Leu-Ala-Leu-Ala-NH2.CH3CO2H; glycyl-L-tryptophyl-L-threonyl-L-leucyl-L-asparagyl-L-seryl-L-alanyl-glycyl-L-tyrosyl-L-leucyl-L-leucyl-glycyl-L-prolyl-L-prolyl-L-prolyl-L-alanyl-L-leucyl-L-alanyl-L-leucyl-L-alaninamide acetic acid; M 40 acetate. Grades: ≥95%. Molecular formula: C96H149N23O26. Mole weight: 2041.38.
M65
M65 is a potent and specific antagonist of PAC1 receptor. Synonyms: PAC1 Receptor Antagonist M65; H-Cys-Asp-Ala-Thr-Cys-Gln-Phe-Arg-Lys-Ala-Ile-Asp-Asp-Cys-Gln-Lys-Gln-Ala-His-His-Ser-Asn-Val-Pro-Gly-Asn-Ser-Val-Phe-Lys-Glu-Cys-Met-Lys-Gln-Lys-Lys-Lys-Glu-Phe-Lys-Ala-NH2 (Disulfide bridge: Cys1-Cys5, Cys14-Cys32). Grades: ≥95%. CAS No. 1872440-65-7. Molecular formula: C205H326N64O61S5. Mole weight: 4823.57.