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Benzoyl-L-tyrosine 4-nitroanilide
A substrate for the determination of chymotrypsin activity. Synonyms: Bz-L-Tyr-Pna; (S)-N-(3-(4-Hydroxyphenyl)-1-((4-nitrophenyl)amino)-1-oxopropan-2-yl)benzamide; N-Benzoyl-l-tyrosine p-nitroanilide. CAS No. 6154-45-6. Molecular formula: C22H19N3O5. Mole weight: 405.40.
It is produced by the strain of Penicillum sp. Penicillin has a strong antibacterial effect on gram-positive bacteria, Neisseria, Haemophilus, anaerobes (except fragile bacilli), spirochetes and actinomycetes, but no effect on mycobacterium tuberculosis, rickettsia, fungi, protozoa and virus. Synonyms: penicillin g; Benzylpenicillinic acid; Pencillin G. Molecular formula: C16H18N2O4S. Mole weight: 334.39.
Bergofungin
Bergofungin is a Peptaibols compound produced by Emericellopsis donezkii HKI 0059. It has anti-fungal activity such as Sporibolomy-ces salmonicolor and PenicilltiTn fiotatum. It also moderately inhibits prolyl endopeptidase activity. Synonyms: Bergofungin A. Molecular formula: C73H120N16O19. Mole weight: 1525.82.
Bergofungin B
Bergofungin B is a Peptaibols compound produced by Emericellopsis donezkii HKI 0059. It has anti-fungal activity such as Sporibolomy-ces salmonicolor and PenicilltiTn fiotatum. It also moderately inhibits prolyl endopeptidase activity. Molecular formula: C74H122N16O19. Mole weight: 1539.85.
Bergofungin C
Bergofungin C is a Peptaibols compound produced by Emericellopsis donezkii HKI 0059. It has anti-fungal activity such as Sporibolomy-ces salmonicolor and PenicilltiTn fiotatum. It also moderately inhibits prolyl endopeptidase activity. Molecular formula: C72H118N16O19. Mole weight: 1511.80.
Bergofungin D
Bergofungin D is a Peptaibols compound produced by Emericellopsis donezkii HKI 0059. It has anti-fungal activity such as Sporibolomy-ces salmonicolor and PenicilltiTn fiotatum. It also moderately inhibits prolyl endopeptidase activity. Molecular formula: C69H113N15O18. Mole weight: 1440.72.
Berninamycin
Berninamycin is a peptide antibiotic produced by Streptomyces bernensis NRRL 3572. Against gram-positive bacteria. Synonyms: Berninamycin A. Grades: >99% by HPLC. CAS No. 58798-97-3. Molecular formula: C51H51N15O15S. Mole weight: 1146.11.
Berninamycin B
Berninamycin B is a peptide antibiotic produced by Streptomyces bernensis NRRL 3572. Molecular formula: C51H51N15O14S. Mole weight: 1130.11.
Berninamycin C
Berninamycin C is a peptide antibiotic produced by Streptomyces bernensis NRRL 3572. CAS No. 161263-49-6. Molecular formula: C48H48N14O14S. Mole weight: 1077.04.
Berninamycin D
Berninamycin D is a peptide antibiotic produced by Streptomyces bernensis NRRL 3572. Grades: >99% by HPLC. CAS No. 161263-50-9. Molecular formula: C45H45N13O13S. Mole weight: 1007.98.
Berubicin
Berubicin has potential antineoplastic activity. Berubicin intercalates into DNA and interrupts topoisomerase II activity, resulting in the inhibition of DNA replication and repair, and RNA and protein synthesis. Synonyms: Daunorubicin Impurity 9; RTA 744; RTA-744; RTA744; WP 769; WP769; WP-769; 5,12-Naphthacenedione, 10-[[3-amino-2,3,6-trideoxy-4-O-(phenylmethyl)-α-L-lyxo-hexopyranosyl]oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-8-(hydroxyacetyl)-1-methoxy-, (8S,10S)-. Grades: ≥95% by HPLC. CAS No. 677017-23-1. Molecular formula: C34H35NO11. Mole weight: 633.65.
β-(3-Pyridyl)-D-β-homoglycine serves as a good amino-donors in the transamination in the degradation of (S)-β-phenylalanine. Synonyms: H-D-Pyg(3)-(C#CH2)OH; (S)-3-Amino-3-(3-pyridyl)propanoic acid; (3S)-3-amino-3-pyridin-3-ylpropanoic acid; (S)-3-Amino-3-(pyridin-3-yl)propanoic acid; 3-Pyridinepropanoic acid, b-amino-, (bS)-; L-β-Ala-(3-pyridyl)-OH; H-β-Ala-(3-pyridyl)-OH. Grades: ≥ 98% (TLC). CAS No. 129043-04-5. Molecular formula: C8H10N2O2. Mole weight: 166.18.
Synonyms: β-Ala-βNA HBr; Beta-alanine beta-naphthylamide hydrobromide; H-beta-Ala-betaNA HBr; 3-Amino-N-(naphthalen-2-yl)propanamide hydrobromide; H-beta-Ala-betaNA hydrobromide; H-beta-Ala-beta-naphthalene hydrobromide; J-013113; H beta Ala betaNA HBr. Grades: ≥ 99% (Assay by Elemental analysis, TLC). CAS No. 201985-01-5. Molecular formula: C13H14N2O·HBr. Mole weight: 295.27.
β-Alanine ethyl ester hydrochloride
β-Alanine ethyl ester is the ethyl ester of the non-essential amino acid β-alanine. It would be expected to hydrolyse within the body to form β-alanine. Synonyms: β-Ala-OEt HCl; 3-Aminopropionic acid ethyl ester hydrochloride; ethyl 3-aminopropanoate hydrochloride; beta-Alanine ethyl ester hydrochloride; H-beta-Ala-OEt HCl; Ethyl beta-alaninate hydrochloride; h-beta-ala-oet HCl; beta-alanine ethyl ester HCl; b-alanine ethyl ester hydrochloride; beta-alanine ethylester hydrochloride; H beta Ala OEt HCl. Grades: ≥ 99%. CAS No. 4244-84-2. Molecular formula: C5H11NO2·HCl. Mole weight: 153.60.
β-Alanine tert-butyl ester hydrochloride
β-Alanine Tert-butyl Ester Hydrochloride is a blocked carboxyl-terminus derivative of β-Alanine amino acid. It is used as a reactant or reagent in many synthesis such as synthesis of rhodamines from fluoresceins using Pd-catalyzed C-N cross-coupling. Synonyms: β-Ala-OtBu HCl; tert-Butyl 3-aminopropanoate hydrochloride; H-beta-Ala-OtBu HCl; beta-Alanine t-butyl ester hydrochloride; beta-Alanine tert-butyl ester hydrochloride; H-BETA-ALA-OTBU HCl; 3-amino-propionic acid tert-butyl ester hydrochloride; β-Alanine t-Butyl Ester Hydrochloride; β-Alanine 1,1-Dimethylethyl Ester Hydrochloride; H BETA ALA OTBU HCl. Grades: ≥ 99% (HPLC). CAS No. 58620-93-2. Molecular formula: C7H15NO2·HCl. Mole weight: 181.66.
β-Amanitin is a cyclic peptide toxin in the poisonous Amanita phalloides mushroom. β-Amanitin inhibits eukaryotic RNA polymerase II and III. β-Amanitin inhibits protein synthesis. β-Amanitin can be used as a cytotoxic component of antibody-drug conjugates (ADCs). Synonyms: 2-[34-butan-2-yl-13-(3, 4-dihydroxybutan-2-yl)-8, 22-dihydroxy-2, 5, 11, 14, 27, 30, 33, 36, 39-nonaoxo-27lambda4-thia-3, 6, 12, 15, 25, 29, 32, 35, 38-nonazapentacyclo[14.12.11.06, 10.018, 26.019, 24]nonatriaconta-18(26), 19(24), 20, 22-tetraen-4-yl]acetic acid. Grades: >98.0%. CAS No. 21150-22-1. Molecular formula: C39H53N9O15S. Mole weight: 919.95.
β-amyloid 1-11
β-amyloid (1-11) is a fragment of Amyloid-β peptide found in plaques associated with Alzheimer's disease. Synonyms: H-ASP-ALA-GLU-PHE-ARG-HIS-ASP-SER-GLY-TYR-GLU-OH; beta-Amyloid (1-11). Grades: 95%. CAS No. 190436-05-6. Molecular formula: C56H76N16O22. Mole weight: 1325.30.
β-Amyloid 1-15
β-Amyloid 1-15 is a fragment of Amyloid-β peptide found in plaques associated with Alzheimer's disease. Synonyms: Amyloid beta-protein(1-15); Amyloid β-Protein (1-15). CAS No. 183745-81-5. Molecular formula: C78H107N25O27. Mole weight: 1826.84.
β-Amyloid 1-16
β-Amyloid 1-16, is a fragment of Amyloid-β peptide found in plaques associated with Alzheimer's disease. Synonyms: beta-Amyloid (1-16); Amyloid beta-Protein (1-16); Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys. Grades: 95%. CAS No. 131580-10-4. Molecular formula: C84H119N27O28. Mole weight: 1955.04.
β-amyloid 12-28
Amyloid β-Peptide (12-28) (human) is the human form of Amyloid β-peptide fragment. It is the minimum section required to bind to brain proteins. It binds to α7-nicotinic ACh receptors with high affinity. It also impairs memory retention following central administration in mice in vivo. Synonyms: Amyloid b-Protein (12-28); H-Val-His-His-Gln-Lys-Leu-Val-Phe-Phe-Ala-Glu-Asp-Val-Gly-Ser-Asn-Lys-OH; Amyloid β-Protein (12-28). CAS No. 107015-83-8. Molecular formula: C89H135N25O25. Mole weight: 1955.20.
β-Amyloid 1-28
β-Amyloid 1-28 is a fragment of Amyloid-β peptide found in plaques associated with Alzheimer's disease. Synonyms: Amyloid beta-Protein (1-28); Amyloid β-Protein (1-28); H-DL-Asp-DL-Ala-DL-Glu-DL-Phe-DL-Arg-DL-His-DL-Asp-DL-Ser-Gly-DL-Tyr-DL-Glu-DL-Val-DL-His-DL-His-DL-Gln-DL-Lys-DL-Leu-DL-Val-DL-Phe-DL-Phe-DL-Ala-DL-Glu-DL-Asp-DL-Val-Gly-DL-Ser-DL-Asn-DL-Lys-OH. Grades: 95%. CAS No. 109770-29-8. Molecular formula: C145H209N41O46. Mole weight: 3262.51.
β-Amyloid 22-35
β-Amyloid 22-35 is a fragment of Amyloid-β peptide. It has cytotoxic effect on cultured neurons from rat hippocampus in serum free medium and also forms aggregates and fibrils similar to those of β-amyloid protein in senile plaque cores. Synonyms: Amyloid beta-Protein (22-35); H-GLU-ASP-VAL-GLY-SER-ASN-LYS-GLY-ALA-ILE-ILE-GLY-LEU-MET-OH. Grades: ≥95% by HPLC. CAS No. 144189-71-9. Molecular formula: C59H102N16O21S. Mole weight: 1403.60.
β-Amyloid 29-40
β-Amyloid 29-40 is a fragment of Amyloid-β peptide found in plaques associated with Alzheimer's disease. Synonyms: Amyloid b-Protein (29-40). CAS No. 184865-04-1. Molecular formula: C49H88N12O13S. Mole weight: 1085.36.
β-Amyloid 31-35
β-Amyloid 31-35 is a fragment of Amyloid-β peptide found in plaques associated with Alzheimer's disease. It is also the shortest sequence of native Amyloid-β peptide that retains neurotoxic activity. Synonyms: beta-Amyloid (31-35); Amyloid b-Protein (31-35); H-ILE-ILE-GLY-LEU-MET-OH; Isoleucinyl-isoleucinyl-glycinyl-leucinyl-methionine. Grades: >95%. CAS No. 149385-65-9. Molecular formula: C25H47N5O6S. Mole weight: 545.74.
beta-Amyrin benzoate
Cas No. 3607-93-0. Molecular formula: C37H54O2. Mole weight: 530.82.
beta-Apooxytetracycline
Cas No. 18751-99-0.
β-Casomorphin (1-5) (bovine)
Synonyms: Beta-Casomorphin-5; l-tyrosyl-l-prolyl-l-phenylalanyl-l-prolylglycine. Grades: ≥97% by HPLC. CAS No. 72122-63-5. Molecular formula: C30H37N5O7. Mole weight: 579.6.
β-Casomorphin (1-7), bovine
β-Casomorphin (1-7), bovine is an opioid peptide with an IC50 of 14 μM in an Opioid receptors binding assay. Synonyms: β-Casomorphin, bovine; β-Casomorphin-7 (bovine); Bovine β-casomorphin-7. Grades: ≥97% by HPLC. CAS No. 72122-62-4. Molecular formula: C41H55N7O9. Mole weight: 789.92.
β-Casomorphin, human
An opioid peptide, acts as an agonist of opioid receptor. Opioid peptide first isolated from an enzymatic digest of casein that is an agonist at μ opioid receptors. Casomorphin 1-7 stimulates fat intake in rats. Synonyms: H-Tyr-Pro-Phe-Val-Glu-Pro-Ile-OH; β-Casomorphin (1-7), human; Human β-casomorphin 7. Grades: 95%. CAS No. 102029-74-3. Molecular formula: C44H61N7O11. Mole weight: 864.00.
β-CGRP, human
β-CGRP, human is a highly effective vasodilator. Synonyms: H-Ala-Cys-Asn-Thr-Ala-Thr-Cys-Val-Thr-His-Arg-Leu-Ala-Gly-Leu-Leu-Ser-Arg-Ser-Gly-Gly-Met-Val-Lys-Ser-Asn-Phe-Val-Pro-Thr-Asn-Val-Gly-Ser-Lys-Ala-Phe-NH2 (Disulfide bridge: Cys2-Cys7); Human β-CGRP; CGRP-II (Human); Calcitonin Gene Related Peptide II, human; α-Calcitonin gene-related peptide (human), 3-L-asparagine-22-L-methionine-25-L-serine-; β-Calcitonin gene-related peptide (human); L-Alanyl-L-cysteinyl-L-asparaginyl-L-threonyl-L-alanyl-L-threonyl-L-cysteinyl-L-valyl-L-threonyl-L-histidyl-L-arginyl-L-leucyl-L-alanylglycyl-L-leucyl-L-leucyl-L-seryl-L-arginyl-L-serylglycylglycyl-L-methionyl-L-valyl-L-lysyl-L-seryl-L-asparaginyl-L-phenylalanyl-L-valyl-L-prolyl-L-threonyl-L-asparaginyl-L-valylglycyl-L-seryl-L-lysyl-L-alanyl-L-phenylalaninamide cyclic (2?7)-disulfide; Human beta calcitonin gene-related peptide; Human calcitonin gene-related peptide 2; Human calcitonin gene-related peptide β; Human calcitonin gene-related peptide-II; Human calcitonin-related peptide II; Human β-calcitonin gene-related peptide. Grades: 95%. CAS No. 101462-82-2. Molecular formula: C162H267N51O48S3. Mole weight: 3793.35.
It is produced by the strain of Streptomyces sp. K749-42. It is an amino acid that has antifungal properties. It has anti-candida albicans effect. Its activity is similar to Cispentacin. Synonyms: Beta-Cyanoglutamic acid; 2-amino-3-cyano-pentanedioic acid. Molecular formula: C8H6N2O4. Mole weight: 172.14.