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-Tryptophan is an essential amino acid and a precursor to both serotonin and melatonin. Serotonin is a neurotransmitter playing a role in regulating appetite, sleep, mood, and pain. Melatonin is a hormone modulating sleep and wakefulness. Protein supplement in health care products. Uses: L-tryptophan is an essential amino acid that plays a vital role in a variety of physiological and biochemical processes in the human body. since the human body cannot synthesize l-tryptophan, it must be obtained from food sources such as meat, dairy products, nuts, seeds, and legumes. the fundamental importance of l-tryptophan lies in its involvement in the synthesis of key molecules such as serot. Synonyms: H-Trp-OH; L-Tryptophane; L-Tryptohan; Tryptophan, L-; (-)-Tryptophan; (2S)-2-Azaniumyl-3-(1H-indol-3-yl)propanoate; (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid; (S)-Tryptophan; (S)-α-Amino-1H-indole-3-propanoic acid; (S)-α-Amino-β-indolepropionic acid; (S)-α-Aminoindole-3-propionic acid; 1H-Indole-3-alanine, (S)-; 1H-Indole-3-propanoic acid, α-amino-, (S)-; 2-Amino-3-indolylpropanoic acid; 3-Indol. Grade: >98%. CAS No. 73-22-3. Molecular formula: C11H12N2O2. Mole weight: 204.23.
L-Tryptophan amide hydrochloride. Uses: An amino acid amide used as a substrate for studying the action of aminopeptidase enzyme. note: the isomer d,l-tryptophanamide, hydrochloride is also available as catalogue number t89550. Synonyms: L-Trp-NH2 HCl; (2R,3R)-2-amino-3-hydroxy-N-naphthalen-2-ylbutanamide; L-Threonyl b-naphthylamide; Threonine b-naphthylamide; L-Threonine b-naphthylamide. Grade: ≥ 98% (HPLC). CAS No. 5022-65-1. Molecular formula: C11H13N3O·HCl. Mole weight: 239.70.
L-Tryptophan t-butyl ester hydrochloride. Uses: L-tryptophan tert-butyl ester hydrochloride is a protected form of l-tryptophan. l-tryptophan is an essential amino acid that is important for cell proliferation and the biosynthesis of proteins. it is a precursor to serotonin, a neurotransmitter that aids in sleep and mental state. l-tryptophan is also thought to cause eosinophilia-myalgia syndrome. Synonyms: H-Trp-OtBu HCl. Grade: ≥ 95%. CAS No. 115692-31-4. Molecular formula: C15H21ClN2O2. Mole weight: 296.80.
L-Tryptophyl-L-glutamine is a dipeptide consisting of tryptophan (L-Trp) and glutamine (L-Gln). Tryptophan is an aromatic, hydrophobic amino acid known for its role in protein structure and as a precursor for serotonin and melatonin. Glutamine, a polar amino acid, is crucial for nitrogen metabolism and cellular functions. This dipeptide can be used in studies related to protein interactions, structural analysis, or in the design of peptides with potential therapeutic applications. The combination of tryptophan and glutamine may also influence the peptide's properties and its interaction with biological systems. Synonyms: WQ; L-Glutamine, N2-L-tryptophyl-; L-Tryptophanyl-L-glutamine; Trp-Gln; H-Trp-Gln-OH; H-WQ-OH; Tryptophanyl-glutamine. Grade: ≥95%. CAS No. 175027-12-0. Molecular formula: C16H20N4O4. Mole weight: 332.35.
L-Tyrosine is a non-essential amino acid and one of the 22 amino acids used in the synthesis of protein. It is derived from phenylalanine in human body and abundant in high-protein food products. Protein supplement in health care products. Uses: Ingredient of health care products. Synonyms: Tyrosine; (S)-Tyrosine; P-Tyrosine; H-Tyr-OH; Levodopa EP Impurity B. Grade: 98%. CAS No. 60-18-4. Molecular formula: C9H11NO3. Mole weight: 181.19.
L-Tyrosine tert-butyl ester is a protected form of L-Tyrosine. L-Tyrosine is an essential amino acid that exhibits in vitro antioxidant and antiradical activities. L-Tyrosine is used as a precursor to synthesize catecholamines in human keratinocytes, and also for the synthesis of proteins and thyroid hormones. Synonyms: L-Tyr-OtBu; H-Tyr-OtBu; tert-Butyl L-tyrosinate; L-tyrosine-COOBu-t; L-Tyrosine tert-butyl ester; t-butyl ester of tyrosine. Grade: ≥ 99% (HPLC). CAS No. 16874-12-7. Molecular formula: C13H19NO3. Mole weight: 237.30.
Lucifensin is the key antimicrobial peptide of the green bottle fly larvae Lucilia sericata. This defensin protects the larvae when they are exposed to the infectious environment of a wound during maggot therapy and it also contributes as a disinfectant and healing factor.
Luciferase
Luciferase is an analytical enzyme used as a component of lysis solution to measure luminescence signals. It has been used to investigate the sensitivity of dark mutants of various luminescent bacterial strains to reactive oxygen species. Synonyms: EC 1.14.14.3; Bacterial Luciferase; Luciferase from Photobacterium fischeri. Grade: >95%. CAS No. 9014-00-0. Molecular formula: H14. Mole weight: 14.11.
Luciferase, firefly
Luciferase, firefly is a bioluminescent enzyme responsible for bioluminescence in fireflies and click beetles. Synonyms: Luciferase from Photinus pyralis (firefly). Grade: >98%. CAS No. 61970-00-1. Molecular formula: C18H19N5O. Mole weight: 321.4.
Lucilin, partial
Lucilin, partial was found in Lucilia sericata [Green bottle fly] and has antimicrobial activity. Grade: >96% by HPLC.
Lumbrican
Lumbrican has antibacterial and antifungal activities. Lumbrican was found in Lumbricus rubellus [Humus earthworm]. Grade: >96% by HPLC.
Lunatusin
Lunatusin is an antifungal peptide with a molecular mass around 7kDa, which was purified from the seeds of Chinese lima bean (Phaseolus lunatus L.). Lunatusin exerted an antifungal activity toward fungal species such as Fusarium oxysporum, Mycosphaerella arachidicola and Botrytis cinerea, and an antibacterial action on, Bacillus megaterium, Bacillus subtilis, Proteus vulgaris and Mycobacterium phlei. It also inhibited proliferation in the breast cancer cell line MCF-7.
Luteinizing Hormone-Releasing Hormone (LH-RH)
Luteinizing hormone releasing hormone (LH-RH) is a reproductive hormone. Synonyms: Salmon-gnrh; Gnrh, salmon-; Salmon-LHRH; LHRH (salmon). Grade: ≥95%. CAS No. 86073-88-3. Molecular formula: C60H73N15O13. Mole weight: 1212.3.
L-Valine
L-Valine is an essential branched-chain amino acid and one of the 22 proteinogenic amino acids. L-Valine promotes muscle growth, attenuates arrhythmias and decreases blood pressure. Protein supplement in health care products. Uses: Ingredient of health care products. Synonyms: Valine; (S)-Valine; H-Val-OH; (S)-2-Amino-3-methylbutanoic acid; Valine, L-; (+)-2-Amino-3-methylbutyric acid; (2S)-2-Azaniumyl-3-methylbutanoate; (S)-2-Amino-3-methylbutyric acid; (S)-Valine; (S)-α-Amino-β-methylbutyric acid; L-(+)-α-Aminoisovaleric acid; L-α-Amino-β-methylbutyric acid; Butanoic acid, 2-amino-3-methyl-, (S)-; NSC 76038. Grade: 98%. CAS No. 72-18-4. Molecular formula: C5H11NO2. Mole weight: 117.15.
L-Valine-2-chlorotrityl resin
Pre-loaded resins for solid phase peptide and organic synthesis. Synonyms: L-Val-2-chlorotrityl resin.
L-Valine Amide is a reagent used in the synthesis of alkylpyrazines. Also used in the synthesis of elastase inhibitory activity. Synonyms: L-Val-NH2 HCl; (2S)-2-amino-3-methylbutanamide hydrochloride; H-Val-NH2 HCl; L-Valinamide Hydrochloride. Grade: ≥ 99% (HPLC). CAS No. 3014-80-0. Molecular formula: C5H12N2O·HCl. Mole weight: 152.60.
L-Valine chloromethyl ketone hydrochloride acts as a reagent in the preparation of tetrapeptidyl chloromethyl ketones, which are potent inhibitors of proteinase K. Synonyms: L-Val-CMK HCl; H-Val CH2Cl HCl; H-L-Val-CMK HCl; (3S)-3-amino-1-chloro-4-methylpentan-2-one hydrochloride; L Val CMK HCl; H L Val CMK HCl. Grade: ≥ 97%. CAS No. 107831-79-8. Molecular formula: C6H12ClNO·HCl. Mole weight: 186.10.
L-Valine tert-butyl ester hydrochloride is a protected form of L-Valine. L-Valine is an essential amino acid that is used as an ingredient in cosmetic formulations, pharmaceuticals, and animal feed products. L-valine is also important for growth and ammonia detoxification in humans. Synonyms: L-Val-OtBu HCl; L-Valine tert-Butyl Ester Hydrochloride; H-Val-OtBu HCl; (S)-tert-Butyl 2-amino-3-methylbutanoate hydrochloride; L-Valine, 1,1-dimethylethyl ester, hydrochloride; L-2-Aminoisovaleric Acid tert-Butyl Ester Hydrochloride. Grade: ≥ 99% (HPLC). CAS No. 13518-40-6. Molecular formula: C9H19NO2·HCl. Mole weight: 209.70.
L-Valinol
L-valinol is used as a reagent for the synthesis of simple 1,3-thiazolidine-2-thione derivatives with fungicidal activity. L-Valinol is also used in clinical trials to synthesize small molecule inhibitors of MDM2-p53 protein-protein interaction (MDM2 inhibitors) for the treatment of cancer. Synonyms: L-2-Amino-3-methyl-1-butanol; (+)-(S)-Valinol; (+)-2-Amino-3-methyl-1-butanol; (+)-Valinol; (2S)-1-Hydroxy-3-methylbutan-2-amine; (2S)-2-Amino-3-methyl-1-butanol; (2S)-Valinol; (S)-(+)-2-Amino-3-methyl-1-butanol; (S)-(+)-Valinol; (S)-2-Amino-3-methyl-1-butanol; (S)-2-Amino-3-methylbutanol; (S)-Valinol; NSC 322922; [(S)-1-(Hydroxymethyl)-2-methylpropyl]amine. Grade: ≥ 98 %. CAS No. 2026-48-4. Molecular formula: C5H13NO. Mole weight: 103.16.
L-Valyl-L-glutamic acid
L-Valyl-L-glutamic acid. Synonyms: Val-Glu-OH; Val Glu OH. Grade: ≥ 99% (TLC). CAS No. 3062-7-5. Molecular formula: C10H18N2O5. Mole weight: 246.26.