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.
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L-Phenyllactic acid
A building block used in the synthesis of peptidomimetics as neuropeptide S receptor agonists. Synonyms: L-3-phenyllactic acid. CAS No. 20312-36-1. Molecular formula: C9H10O3. Mole weight: 166.2.
L-Pipecolinic Acid
L-Pipecolinic Acid is a proline-based organocatalyst that has been investigated for several powerful asymmetric transformations, such as the Aldol, Mannich, and Michael reactions. Synonyms: (S)-Piperidine-2-Carboxylic Acid; L(-)-Pipecolinic Acid; H-Hopro-Oh. Grade: ≥ 99% (Titration, Dried basis). CAS No. 3105-95-1. Molecular formula: C6H11NO2. Mole weight: 129.16.
L-Proline-2-chlorotrityl resin is an excellent resin for the synthesis of peptides containing C-terminal Pro without risk of diketopiperazine formation. Synonyms: L-Pro-2-chlorotrityl resin.
A substrate for the determination of proline arylamidase in human sera by continuous reaction. Synonyms: L-Pro-pNA; (S)-Pyrrolidine-2-carboxylic acid 4-nitroanilide; L-PROLINE 4-NITROANILIDE; (L)-PROLYL-P-NITROANILIDE; Pro-Nan; L-Pro-Nan. Grade: ≥ 99% (HPLC). CAS No. 7369-91-7. Molecular formula: C11H13N3O3. Mole weight: 235.15.
L-Proline Dimethylamide is a reactant used in the synthesis of fluoromethylsulfonylaminophenyl propanamides as TRPV1 antagonists. Synonyms: L-Pro-NMe2; (S)-Pyrrolidine-2-carboxylic acid dimethylamide; L-N,N-dimethylprolinamide; L-PRO-NME2; N,N-Dimethyl-L-prolinamide; (S)-2-(N,N-dimethylcarbamoyl)pyrrolidine; N,N-dimethyl L-prolineamide. Grade: ≥ 99% (Chiral purity). CAS No. 29802-22-0. Molecular formula: C7H14N2O. Mole weight: 142.20.
L-Proline tert-butyl ester is a tert-butyl ester of L-Proline which is an amino acid and precursor (with vitamin C) for collagen, the building block of the structure of tendons, ligaments, arteries, veins and muscles. It is important in wound healing. Synonyms: L-Pro-OtBu; (S)-Pyrrolidine-2-carboxylic acid tert-butyl ester; L-Proline tert-butyl ester; L-Proline t-Butyl Ester; tert-butyl pyrrolidine-2-carboxylate; (S)-tert-Butyl pyrrolidine-2-carboxylate. Grade: ≥ 98% (HPLC). CAS No. 2812-46-6. Molecular formula: C9H17NO2. Mole weight: 171.20.
An intermediate in the synthesis of Physostigmine and Physostigmine derivative for Alzheimer's disease treatment. Synonyms: L-(+)-Prolinol; (2S)-2-Pyrrolidinemethanol; (+)-2-Pyrrolidinemethanol. Grade: ≥ 99% (GC, HPLC). CAS No. 23356-96-9. Molecular formula: C5H11NO. Mole weight: 101.2.
L-Prolinol 2-chlorotrityl resin
Pre-loaded resins for solid phase peptide and organic synthesis. Synonyms: L-Pro-ol-2-chlorotrityl resin.
L-Prolyl-L-alanine
Substrate for human kidney prolinase (prolyl dipeptidase). Synonyms: Pro-Ala-OH; Pro Ala OH. Grade: ≥ 99% (TLC). CAS No. 6422-36-2. Molecular formula: C8H14N2O3. Mole weight: 186.21.
L-Propargylglycine
It is produced by the strain of Streptomyces sp. It can inactivate many vitamin B6-enzymes, such as Cystathionine γ-synthase, Methionone γ-lyase and L-alanine aminotransferase. Synonyms: (S)-2-Aminopent-4-ynoic acid; (S)-2-Amino-4-pentynoic acid; L-2-Propynylglycine; (S)-Propargylglycine; (S)-2-Propargylglycine; L-Pra-OH; L-Propargyl-Gly-OH; 4-Pentynoic acid, 2-amino-, (2S)-; (2S)-2-Amino-4-pentynoic acid; 4-Pentynoic acid, 2-amino-, (S)-; 4-Pentynoic acid, 2-amino-, L-; (2S)-2-Azaniumylpent-4-ynoate; (S)-α-Propargylglycine; L-2-Amino-4-pentynoic acid. Grade: ≥95%. CAS No. 23235-01-0. Molecular formula: C5H7NO2. Mole weight: 113.11.
L-Pyrrolysine. Uses: L-pyrrolysine is a unique and interesting amino acid that shows great potential in the field of drug discovery due to its remarkable properties and applications. this specific amino acid is not present in the standard genetic code of organisms, but is instead incorporated into proteins by certain enzymes in response to specific codons in the genetic code. this unusual property of l-pyrrolysine has. CAS No. 448235-52-7. Molecular formula: C12H21N3O3. Mole weight: 255.31.
LsbA
LsbA is an antibacterial peptide isolated from Lactococcus lactis. It has activity against gram-positive bacteria and fungi. Synonyms: Phe-Lys-Lys-Lys-Lys-Arg-Asn-Ile-Gly-Thr-Phe-Val-Phe-Phe-Ala-Ile-Ala-Leu-Phe-Cys-Thr-Val-Met-Phe-Ala-Tyr-Leu-Leu-Leu-Thr-Asn-Gln-Tyr-Val-Pro-Ile-Asp-Tyr-Asn-Val-Pro-Arg-Tyr-Ala. Molecular formula: C253H380N58O58S2. Mole weight: 5226.27.
LsbB
LsbB is an antibacterial peptide isolated from Lactococcus lactis. It has activity against gram-positive bacteria and fungi. Synonyms: Met-Lys-Thr-Ile-Leu-Arg-Phe-Val-Ala-Gly-Tyr-Asp-Ile-Ala-Ser-His-Lys-Lys-Lys-Thr-Gly-Gly-Tyr-Pro-Trp-Glu-Arg-Gly-Lys-Ala. Molecular formula: C156H246N44O40S. Mole weight: 3410.
LSEI_2163
LSEI_2163 is an antibacterial peptide isolated from Lactobacillus casei. It has activity against gram-negative bacteria. Synonyms: m2163; Lys-Arg-Lys-Cys-Pro-Lys-Thr-Pro-Phe-Asp-Asn-Thr-Pro-Gly-Ala-Trp-Phe-Ala-His-Leu-Ile-Leu-Gly-Cys. Molecular formula: C124H188N34O30S2. Mole weight: 2699.2.
LSEI_2386
LSEI_2386 is an antibacterial peptide isolated from Lactobacillus casei. It has activity against gram-negative bacteria. Synonyms: Asp-Ser-Ile-Arg-Asp-Val-Ser-Pro-Thr-Phe-Asn-Lys-Ile-Arg-Arg-Trp-Phe-Asp-Gly-Leu-Phe-Lys. Molecular formula: C124H189N35O33. Mole weight: 2698.08.
L-Serine
L-Serine is a non-essential and proteinogenic amino acid involved in the metabolism of fats, fatty acids, and cell membranes. Synonyms: Serine, L-; (-)-Serine; (2S)-2-Azaniumyl-3-hydroxypropanoate; (S)-2-Amino-3-hydroxypropanoic acid; (S)-Serine; (S)-α-Amino-β-hydroxypropionic acid; L-(-)-Serine; L-3-Hydroxy-2-aminopropionic acid; L-Alanine, 3-hydroxy-; L-Ser; Propanoic acid, 2-amino-3-hydroxy-, (S)-; Serine; β-Hydroxy-L-alanine. Grade: >98%. CAS No. 56-45-1. Molecular formula: C3H7NO3. Mole weight: 105.10.
L-Serine 1,1-Dimethylethyl Ester Hydrochloride is used in the synthesis of diabetes type 2 inhibitors. Also used in the synthesis of bifunctional and trifunctional chelating agents. Synonyms: L-Ser-OtBu HCl; L-β-Hydroxyalanine tert-butyl ester hydrochloride; (S)-tert-Butyl 2-amino-3-hydroxypropanoate hydrochloride; tert-butyl(2S)-2-amino-3-hydroxypropanoate hydrochloride. Grade: ≥ 99% (TLC). CAS No. 106402-41-9. Molecular formula: C7H15O3N·HCl. Mole weight: 197.62.
L-seryl-L-tyrosine 2-naphthylamide is a specific substrate for dipeptidyl aminopeptidase I (cathepsin C). Synonyms: H-Ser-Tyr-bNA; H-Ser-Tyr-βNA; Ser-Tyr beta-naphthylamide; L-Ser-L-Tyr 2-naphthylamide. Grade: 95%. CAS No. 24008-82-0. Molecular formula: C22H23N3O4. Mole weight: 393.44.
L-Threonine is an essential amino acid found in high-protein foods. Protein supplement in health care products. Uses: Ingredient of health care products. Synonyms: Threonine; H-Thr-OH; Threonin. Grade: 98%. CAS No. 72-19-5. Molecular formula: C4H9NO3. Mole weight: 119.12.
L-Threonine Amide Hydrochloride is used as a reagent in the synthesis of N-monosubstituted [(pyridin-2-yl)methyl]amine and [(pyrimidin-4-yl)methyl]amine derivatives as transient receptor potential cation channel 3 (TRPV3) modulators. Synonyms: L-Thr-NH2 HCl; H-Thr-NH2 HCl; 2-Amino-3-hydroxy-(2S,3R)butanamide monohydrochloride; L-Threoninamide hydrochloride. Grade: ≥ 98%(HPLC). CAS No. 33209-01-7. Molecular formula: C4H10N2O2·HCl. Mole weight: 154.60.
L-Threonine methyl ester is a protected form of L-Threonine. L-Threonine is an essential amino acid that is commonly used as a feed and food additive. L-Threonine is produced in mass quantities by mutant Escherichia coli strains for research and food nutrition purposes. L-Threonine can be naturally found in fish and poultry, and is incorporated in some important proteins in the human body (such as hemoglobin and insulin). Synonyms: L-Thr-OMe HCl; methyl(2S,3R)-2-amino-3-hydroxybutanoate hydrochloride; L-Threonine methyl ester hydrochloride. Grade: ≥ 98% (HPLC). CAS No. 39994-75-7. Molecular formula: C5H11NO3·HCl. Mole weight: 169.60.
L-Threonine tert-butyl ester hydrochloride
L-Threonine tert-butyl ester is a protected form of L-Threonine. L-Threonine is an essential amino acid that is commonly used as a feed and food additive. L-Threonine is produced in mass quantities by mutant Escherichia coli strains for research and food nutrition purposes. L-Threonine can be naturally found in fish and poultry, and is incorporated in some important proteins in the human body (such as hemoglobin and insulin). Synonyms: L-Thr-OtBu HCl; (2S,3R)-tert-Butyl 2-amino-3-hydroxybutanoate hydrochloride; tert-butyl 2-amino-3-hydroxybutanoate hydrochloride. Grade: ≥ 99.9% (assay). CAS No. 69320-90-7. Molecular formula: C8H17NO3·HCl. Mole weight: 211.69.