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L-Arginine methyl ester is a protected form of L-Arginine. L-Arginine is a conditionally essential amino acid for humans and adult mammals as its requirements exceed production during certain developmental stages in life (such as pregnancy). L-Arginine also prevents blood toxicity from intravenous amino acid administration in humans. Synonyms: L-Arginine, methyl ester, hydrochloride (1:2); L-Arginine, methyl ester, dihydrochloride; Arginine, methyl ester, dihydrochloride, L-; Arginine methyl ester dihydrochloride; Methyl (2S)-2-amino-5-guanidinopentanoate dihydrochloride; Methyl L-arginine dihydrochloride; N-α-L-Arginine methyl ester dihydrochloride. Grade: ≥95%. CAS No. 26340-89-6. Molecular formula: C7H16N4O2.2HCl. Mole weight: 261.15.
L-Arginine-tert-butyl ester dihydrochloride
L-Arginine tert-butyl ester is a protected form of L-Arginine. L-Arginine is a conditionally essential amino acid for humans and adult mammals as its requirements exceed production during certain developmental stages in life (such as pregnancy). L-Arginine also prevents blood toxicity from intravenous amino acid administration in humans. Synonyms: L-Arg-OtBu 2HCl; H-Arg-OtBu 2HCl; L-Arginine t-butyl ester dihydrochloride. Grade: ≥ 98% (TLC). CAS No. 87459-72-1. Molecular formula: C10H22N4O2·2HCl. Mole weight: 303.30.
L-Arg-Pro-pNA
Substrate for Dipeptidyl peptidase IV. Synonyms: L-Arginyl-L-proline 4-nitroanilide. Grade: ≥ 98% (TLC). CAS No. 112898-06-3. Molecular formula: C17H25N7O4. Mole weight: 391.43.
Lariatin A
Lariatin A is an antimycobacterial lasso peptide isolated from Rhodococcus jostii. Lariains A has inhibitory effect on the growth of Mycobacterium smegmatis with MIC value of 3.13 mg/ml in agar dilution method. Synonyms: Peptide K01-B0171-B; N(1)Gly-Ser-Gln-Leu-Val-Tyr-Arg-Glu(1)-Trp-Val-Gly-His-Ser-Asn-Val-Ile-Lys-Pro-OH; L-Proline, glycyl-L-seryl-L-glutaminyl-L-leucyl-L-valyl-L-tyrosyl-L-arginyl-L-α-glutamyl-L-tryptophyl-L-valylglycyl-L-histidyl-L-seryl-L-asparaginyl-L-valyl-L-isoleucyl-L-lysyl-, (8→1)-lactam. Grade: ≥95%. CAS No. 732286-09-8. Molecular formula: C94H143N27O25. Mole weight: 2051.31.
Lariatin B
Lariatin B is an antibacterial peptide isolated from Rhodococcus jostii K01-B0171. It has activity against gram-positive bacteria. Synonyms: Gly-Ser-Gln-Leu-Val-Tyr-Arg-Glu-Trp-Val-Gly-His-Ser-Asn-Val-Ile-Lys-Gly-Pro-Pro. Grade: 95.2%. Molecular formula: C101H153N29O27. Mole weight: 2205.51.
Lasiocepsin
Lasiocepsin is an antibacterial peptide isolated from Lasioglossum laticeps. It has activity against bacteria, fungi and viruses. Synonyms: Gly-Leu-Pro-Arg-Lys-Ile-Leu-Cys-Ala-Ile-Ala-Lys-Lys-Lys-Gly-Lys-Cys-Lys-Gly-Pro-Leu-Lys-Leu-Val-Cys-Lys-Cys. Molecular formula: C129H234N38O28S4. Mole weight: 2893.7.
Lasioglossin LL-I
Lasioglossin LL-I is an antibacterial peptide isolated from Lasioglossum laticeps (Eusocial Bee). It has activity against gram-positive bacteria, gram-negative bacteria and cancer. Synonyms: Val-Asn-Trp-Lys-Lys-Val-Leu-Gly-Lys-Ile-Ile-Lys-Val-Ala-Lys-NH2. Grade: 96.1%. Molecular formula: C83H147N23O16. Mole weight: 1723.23.
Lasioglossin LL-II
Lasioglossin LL-II is an antibacterial peptide isolated from Lasioglossum laticeps (Eusocial Bee). It has activity against gram-positive bacteria, gram-negative bacteria and cancer. Synonyms: Lasioglossin II; H-Val-Asn-Trp-Lys-Lys-Ile-Leu-Gly-Lys-Ile-Ile-Lys-Val-Ala-Lys-NH2. Grade: 98.0%. Molecular formula: C84H149N23O16. Mole weight: 1737.2.
Lasioglossin LL-III
Lasioglossin LL-III is an antibacterial peptide isolated from Lasioglossum laticeps (Eusocial Bee). It has activity against gram-positive bacteria, gram-negative bacteria and cancer. Synonyms: Val-Asn-Trp-Lys-Lys-Ile-Leu-Gly-Lys-Ile-Ile-Lys-Val-Val-Lys-NH2. Grade: 96.3%. Molecular formula: C86H153N23O16. Mole weight: 1765.32.
L-Asparaginase
Asparaginase is a hydrolytic enzyme that catalyzes the hydrolysis of asparagine to aspartic acid and is used for the treatment of acute lymphoblastic leukemia. Synonyms: L-ASNase; Asparaginase; L-Asparagine Amidohydrolase. Grade: ≥96% by RP-HPLC. CAS No. 9015-68-3. Molecular formula: C7H5NOS. Mole weight: 151.186.
L-Asparagine-2-chlorotrityl resin
Pre-loaded resins for solid phase peptide and organic synthesis.
L-Asparagine 4-nitrobenzyl ester 4-toluenesulfonate salt
L-Asparagine methyl ester hydrochloride is a protected form of L-Asparagine. L-Asparagine was first isolated by Robiquet and Vauquelin from asparagus juice (a high source of L-asparagine). L-Asparagine is often incorporated into proteins, and is a basis for some cancer therapies as certain cancerous cells require L-asparagine for growth. Synonyms: L-Asparagine, methyl ester, hydrochloride (1:1); L-Asparagine, methyl ester, monohydrochloride; Methyl L-asparaginate hydrochloride; L-Asn-OMe HCl; L-Asparagine Methyl Ester HCl; (S)-Methyl 2,4-diamino-4-oxobutanoate hydrochloride. Grade: ≥95%. CAS No. 57461-34-4. Molecular formula: C5H10N2O3.HCl. Mole weight: 182.61.
L(+)-Asparagine monohydrate
Asparagine (abbreviated as Asn or N) is one of the 20 most-common natural amino acids on Earth. It has carboxamide as the side-chain's functional group. Asn is not essential. Its codons are AAU and AAC. A reaction between asparagine and reducing sugars or other source of carbonyls produces acrylamide in food when heated to sufficient temperature. These products occur in baked goods such as French fries, potato chips, and toasted bread. Synonyms: L-Asparagine monohydrate; Asparagine monohydrate; L-asparagine hydrate; Asparaginic acid semiamide; Asparaginic acid semiamide monohydrate; Asparagine H2O; H-Asn-OH H2O; H-L-Asn-OH H2O; L-alpha-Aminosuccinamic acid, monohydrate; L-Asn H2O. Grade: >98%. CAS No. 5794-13-8. Molecular formula: C4H8N2O3.H2O. Mole weight: 150.13.
L-Asparagine tert-butyl ester hydrochloride is a protected form of L-Asparagine. L-Asparagine was first isolated by Robiquet and Vauquelin from asparagus juice (a high source of L-asparagine). L-Asparagine is often incorporated into proteins, and is a basis for some cancer therapies as certain cancerous cells require L-asparagine for growth. Synonyms: L-Asn-OtBu HCl; L-Asparagine tert-butyl ester hydrochloride; tert-Butyl L-asparaginate hydrochloride; H-Asn-OtBu HCl. Grade: ≥ 95% (HPLC). CAS No. 63094-81-5. Molecular formula: C8H16N2O3·HCl. Mole weight: 224.70.
L-Aspartic acid
L-Aspartic Acid is a non-essential amino acid found in food sources and dietary supplements. L-Aspartic Acid is one of the 20 proteinogenic amino acids; the building blocks of proteins. Its conjugate base L-aspartate is an excitatory neurotransmitter in the central nervous system. Synonyms: Aspartic acid, L-; (+)-L-Aspartic acid; (+)-Aspartic acid; (S)-2-Aminobutanedioic acid; (S)-Aminobutanedioic acid; (S)-Aspartic acid; L-(+)-Aspartic acid; L-Aminosuccinic acid; L-Asparagic acid; L-Asparaginic acid; Asparagic acid; Asparaginic acid; Aspartic acid; Butanedioic acid, amino-, (S)-; H-Asp-OH; NSC 3973; NSC 79553. Grade: >98%. CAS No. 56-84-8. Molecular formula: C4H7NO4. Mole weight: 133.10.
Aspartic acid α-methyl ester is a derivative of L-Aspartic Acid, a non-essential amino acid found in food sources and dietary supplements. L-Aspartic Acid is one of the 20 proteinogenic amino acids; the building blocks of proteins. Its conjugate base L-aspartate is an excitatory neurotransmitter in the central nervous system. Synonyms: L-Asp-OMe; H-Asp-OMe; 1-Methyl L-Aspartate; L-Aspartic Acid 1-Methyl Ester; (S)-3-Amino-4-methoxy-4-oxobutanoic acid. Grade: ≥ 99% (TLC). CAS No. 17812-32-7. Molecular formula: C5H9NO4. Mole weight: 147.10.
A protected L-Aspartic acid. L-Aspartic acid is a non-essential amino acid that has a role as an Escherichia coli metabolite. Synonyms: L-Asp-OtBu HCl; (S)-3-Amino-4-(tert-butoxy)-4-oxobutanoic acid hydrochloride. Grade: ≥ 99.5% (Chiral purity). CAS No. 176164-02-6. Molecular formula: C8H15NO4·HCl. Mole weight: 225.67.
L-Aspartic acid 4-methyl ester is a protected form of L-Aspartic acid. L-Aspartic acid is a non-essential amino acid that is used to biosynthesize other amino acids within the human body. L-Aspartic acid also increases membrane conductance of mammalian neurons by voltage-dependent means, causing depolarization and nerve impulses that travel to key areas of the central nervous system. Synonyms: L-Aspartic acid, 4-methyl ester, hydrochloride (1:1); L-Aspartic acid, 4-methyl ester, hydrochloride; Aspartic acid, 4-methyl ester, hydrochloride, L-; (S)-2-Amino-4-methoxy-4-oxobutanoic acid hydrochloride; L-Aspartic acid β-methyl ester monohydrochloride; β-Methyl L-aspartate hydrochloride. Grade: ≥95%. CAS No. 16856-13-6. Molecular formula: C5H9NO4.HCl. Mole weight: 183.59.
L-Aspartic acid 4-tert-butyl ester is a protected form of L-Aspartic acid. L-Aspartic acid is a non-essential amino acid that is used to biosynthesize other amino acids within the human body. L-Aspartic acid also increases membrane conductance of mammalian neurons by voltage-dependent means, causing depolarization and nerve impulses that travel to key areas of the central nervous system. Synonyms: L-Aspartic acid β-tert-butyl ester; L-aspartic acid 4-tert-butyl ester; (2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid. Grade: ≥ 98% (Assay). CAS No. 3057-74-7. Molecular formula: C8H15NO4. Mole weight: 189.20.
L-Aspartic acid dibenzyl ester 4-toluenesulfonate salt
L-Aspartic acid dibenzyl ester p-toluenesulfonate salt is used in the preparation of Betulinic acid derivatives that show inhibition towards HIV. It is also used in the preparation of piperidine functional amides which act as potent and highly selective human β3 agonists. Synonyms: L-Asp(OBzl)-OBzl TosOH; L-aspartic acid dibenzyl ester p-toluenesulfonate salt; H-Asp(OBzl)-OBzl Tos-OH; 1,4-Dibenzyl L-Aspartate p-Toluenesulfonate; L-Aspartic Acid 1,4-Dibenzyl Ester p-Toluenesulfonate. Grade: ≥ 99% (HPLC). CAS No. 2886-33-1. Molecular formula: C18H19NO4·C7H8O3S. Mole weight: 485.60.
L-Aspartyl-L-glutamic acid is a dipeptide composed of aspartic acid and glutamic acid. It is an incomplete breakdown product of protein digestion or protein catabolism. Synonyms: Aspartyl-glutamate; H-DE-OH; L-alpha-Aspartyl-L-glutamic acid; Asp-glu; Aspartylglutamate; alpha-aspartylglutamic acid; N-(2-Amino-3-carboxy-1-hydroxypropylidene)glutamic acid; (S)-2-((S)-2-amino-3-carboxypropanamido)pentanedioic acid. Grade: ≥95% by HPLC. CAS No. 6157-6-8. Molecular formula: C9H14N2O7. Mole weight: 262.22.
Latarcin-1
Latarcin-1 is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against gram-positive bacteria, gram-negative bacteria and fungi. Synonyms: M-zodatoxin-Lt1a; M-ZDTX-Lt1a; Ltc-1; Ltc1; Ser-Met-Trp-Ser-Gly-Met-Trp-Arg-Arg-Lys-Leu-Lys-Lys-Leu-Arg-Asn-Ala-Leu-Lys-Lys-Lys-Leu-Lys-Gly-Glu. Grade: 97.7%. Molecular formula: C138H238N44O31S2. Mole weight: 3073.7.
Latarcin-2a
Latarcin-2a is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against bacterial and fungi. Synonyms: M-zodatoxin-Lt2a; M-ZDTX-Lt2a; Ltc-2a; Ltc2a; Gly-Leu-Phe-Gly-Lys-Leu-Ile-Lys-Lys-Phe-Gly-Arg-Lys-Ala-Ile-Ser-Tyr-Ala-Val-Lys-Lys-Ala-Arg-Gly-Lys-His. Grade: 97.2%. Molecular formula: C136H229N41O29. Mole weight: 2902.5.
Latarcin-2b
Latarcin-2b is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against gram-positive bacteria, gram-negative bacteria and fungi. Synonyms: M-zodatoxin-Lt2b; M-ZDTX-Lt2b; Ltc-2b; Gly-Leu-Phe-Gly-Lys-Leu-Ile-Lys-Lys-Phe-Gly-Arg-Lys-Ala-Ile-Ser-Tyr-Ala-Val-Lys-Lys-Ala-Arg-Gly-Lys-Asn. Molecular formula: C134H228N40O30. Mole weight: 2879.53.
Latarcin-3a
Latarcin-3a is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against gram-positive bacteria, gram-negative bacteria and fungi. Synonyms: M-zodatoxin-Lt3a; M-ZDTX-Lt3a; Ltc-3a; H-Ser-Trp-Lys-Ser-Met-Ala-Lys-Lys-Leu-Lys-Glu-Tyr-Met-Glu-Lys-Leu-Lys-Gln-Arg-Ala-OH. Grade: 97.8%. Molecular formula: C111H187N31O29S2. Mole weight: 2484.0.
Latarcin-3b
Latarcin-3b is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against gram-positive bacteria, gram-negative bacteria and fungi. Synonyms: M-zodatoxin-Lt3b; M-ZDTX-Lt3b; Ltc-3b; Ser-Trp-Ala-Ser-Met-Ala-Lys-Lys-Leu-Lys-Glu-Tyr-Met-Glu-Lys-Leu-Lys-Gln-Arg-Ala-NH2. Grade: 96.0%. Molecular formula: C108H181N31O28S2. Mole weight: 2425.8.
Latarcin 4a
Latarcin 4a is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against gram-positive bacteria, gram-negative bacteria and fungi. Synonyms: M-zodatoxin-Lt4a; M-ZDTX-Lt4a; Ltc-4a; Gly-Leu-Lys-Asp-Lys-Phe-Lys-Ser-Met-Gly-Glu-Lys-Leu-Lys-Gln-Tyr-Ile-Gln-Thr-Trp-Lys-Ala-Lys-Phe-NH2. Grade: 97.8%. Molecular formula: C136H217N35O33S. Mole weight: 2902.4.
Latarcin-4b
Latarcin-4b is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against gram-positive bacteria, gram-negative bacteria and fungi. Synonyms: M-zodatoxin-Lt4b; M-ZDTX-Lt4b; Ltc-4b; Ser-Leu-Lys-Asp-Lys-Val-Lys-Ser-Met-Gly-Glu-Lys-Leu-Lys-Gln-Tyr-Ile-Gln-Thr-Trp-Lys-Ala-Lys-Phe-NH2. Grade: 97.6%. Molecular formula: C133H219N35O34S. Mole weight: 2884.4.
Latarcin-5
Latarcin-5 is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against gram-positive bacteria, gram-negative bacteria and fungi. Synonyms: M-zodatoxin-Lt5a; M-ZDTX-Lt5a; Ltc-5; Gly-Phe-Phe-Gly-Lys-Met-Lys-Glu-Tyr-Phe-Lys-Lys-Phe-Gly-Ala-Ser-Phe-Lys-Arg-Arg-Phe-Ala-Asn-Leu-Lys-Lys-Arg-Leu-NH2. Grade: 98.2%. Molecular formula: C164H254N46O33S. Mole weight: 3430.
Latarcin 6a
Latarcin 6a is an antibacterial peptide isolated from Lachesana tarabaevi. Synonyms: M-zodatoxin-Lt6a; M-ZDTX-Lt6a; Ltc-6a; Gln-Ala-Phe-Gln-Thr-Phe-Lys-Pro-Asp-Trp-Asn-Lys-Ile-Arg-Tyr-Asp-Ala-Met-Lys-Met-Gln-Thr-Ser-Leu-Gly-Gln-Met-Lys-Lys-Arg-Phe-Asn-Leu. Grade: 96.6%. Molecular formula: C182H285N51O48S3. Mole weight: 4051.6.
Latarcin 6b
Latarcin 6b is an antibacterial peptide isolated from Lachesana tarabaevi. It has activity against bacteria, fungi and cancer. Synonyms: M-zodatoxin-Lt6b; M-ZDTX-Lt6b; Ltc-6b; Gln-Ala-Phe-Lys-Thr-Phe-Thr-Pro-Asp-Trp-Asn-Lys-Ile-Arg-Asn-Asp-Ala-Lys-Arg-Met-Gln-Asp-Asn-Leu-Glu-Gln-Met-Lys-Lys-Arg-Phe-Asn-Leu-Asn-Leu. Molecular formula: C191H304N58O54S2. Mole weight: 4340.99.
Latarcin 6c
Latarcin 6c is an antibacterial peptide isolated from Lachesana tarabaevi. Synonyms: Gln-Ala-Phe-Lys-Thr-Phe-Thr-Pro-Asp-Trp-Asn-Lys-Ile-Arg-Asn-Asp-Ala-Lys-Arg-Met-Gln-Asp-Asn-Leu-Glu-Gln-Met-Lys-Lys-Lys-Phe-Asn-Leu-Asn-Leu.
Latarcin 7
Latarcin 7 is an antibacterial peptide isolated from Lachesana tarabaevi. Synonyms: Gly-Glu-Thr-Phe-Asp-Lys-Leu-Lys-Glu-Lys-Leu-Lys-Thr-Phe-Tyr-Gln-Lys-Leu-Val-Glu-Lys-Ala-Glu-Asp-Leu-Lys-Gly-Asp-Leu-Lys-Ala-Lys-Leu-Ser. Grade: 97.2%. Molecular formula: C180H298N44O54. Mole weight: 3942.5.
L-ATEE
L-ATEE is a substrate for chymotrypsin and carboxypeptidase Y. Synonyms: N-Acetyl-L-tyrosine ethyl ester; N-alpha-Acetyl-L-tyrosine ethyl ester 1-hydrate; Ac-Tyr-OEt. Grade: >98.0%(LC)(N). CAS No. 840-97-1. Molecular formula: C13H17NO4. Mole weight: 251.28.
Laterosporulin
Laterosporulin is an antibacterial peptide isolated from Brevibacillus sp. Strain GI-9, which belongs to the class II bacteriocin compound. It has activity against gram-positive bacteria and gram-negative bacteria. Synonyms: Ala-Cys-Gln-Cys-Pro-Asp-Ala-Ile-Ser-Gly-Trp-Thr-His-Thr-Asp-Tyr-Gln-Cys-His-Gly-Leu-Glu-Asn-Lys-Met-Tyr-Arg-His-Val-Tyr-Ala-Ile-Cys-Met-Asn-Gly-Thr-Gln-Val-Tyr-Cys-Arg-Thr-Glu-Trp-Gly-Ser-Ser-Cys.
Latescidin 1
Latescidin 1 is an antibacterial peptide isolated from Lates calcarifer. Synonyms: Leu-Glu-Glu-Ala-Gly-Ser-Asn-Asp-Thr-Pro-Val-Ala-Ala-His-Gln-Glu-Met-Ser-Met-Glu-Ser-Trp-Met-Met-Pro-Asn-His-Ile-Arg-Gln-Lys-Arg-Gln-Ser-His-Leu-Ser-Leu. Grade: 97.6%.
Laticeptin
Laticeptin is an antibacterial peptide isolated from Leptodactylus laticeps. Synonyms: ocellatin-L1; Gly-Val-Val-Asp-Ile-Leu-Lys-Gly-Ala-Ala-Lys-Asp-Leu-Ala-Gly-His-Leu-Ala-Thr-Lys-Val-Met-Asn-Lys-Leu-NH2. Grade: 97.1%. Molecular formula: C114H201N33O31S. Mole weight: 2562.12.
Lauric acid N-hydroxysuccinimide ester
Lauric acid N-hydroxysuccinimide ester is a reagent for the modification of peptides to increase their lipophilicity. Synonyms: Lauric acid-OSu; Dodecanoic acid-OSu; Succinimidyl laurate; Dodecanoic acid succinimidyl ester. CAS No. 14565-47-0. Molecular formula: C16H27NO4. Mole weight: 297.39.
L-Balenine Hydrochloride
L-Balenine Hydrochloride is an imidazole dipeptide found in the dorsal muscle and amino acid composition in body parts of whales. Synonyms: Na-(3-aminopropanoyl)-Nt-methyl-L-histidine Hydrochloride; Balenine Hydrochloride; L-N-β-Alanyl-1-methylhistidine Hydrochloride; β-Alanyl-1-methyl-L-histidine Hydrochloride; N-β-Alanyl-1-methyl-L-histidine Hydrochloride; L-Histidine, β-alanyl-1-methyl-, hydrochloride (1:1). Grade: ≥95%. Molecular formula: C10H16N4O3.HCl. Mole weight: 276.72.