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STh, an Escherichia coli heat-stable toxin, is a 19 amino acid polypeptide encompassing three disulfide bridges. STh is an antigen of interest in the search for a broad coverage enterotoxigenic Escherichia coli (ETEC) vaccine [1]. Uses: Scientific research. Group: Peptides. CAS No. 118447-40-8. Pack Sizes: 1 mg. Product ID: HY-P2695.
STh
STh is a heat stable toxin of Escherichia coli. CAS No. 118447-40-8. Molecular formula: C79H112N22O30S6. Mole weight: 2042.25.
(2-Hydroxypropyl)-γ-cyclodextrin is used in sthe solubilization of macromolecules and in cell culture applications. Similar to β-Cyclodextrin (C987830), however can work with larger molecules. Group: Biochemicals. Grades: Purified. CAS No. 128446-34-4. Pack Sizes: 1g, 5g. Molecular Formula: N/A. US Biological Life Sciences.
2-Methyl-3-propylidene-butanedioic Acid 1,4-Dimethyl Ester is an intermediate in the synthesis of 2-Ethyl-3-methylmaleic Anhydride (E923520). 2-Ethyl-3-methylmaleic Anhydride is one of the bioactive ingredients present in essential oil of the leaves of Maytenus obtusifolia (Celastraceae), showed antimicrobial activity against 13 strains of bacteria, and fungus and yeast. The oil showed significant antimicrobial activity against Sthaphylococcus aureus (ATCC 6538), Escherichia coli (ATCC 18739), Listeria monocytogenes (ATCC 9610), Candida albicans (ATCC 13803), Candida tropicalis (LM 37), Candida guilliermondii (LM V70) and Aspergillus flavus (LM 247). Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg, 500mg. Molecular Formula: C10H16O4. US Biological Life Sciences.
Worldwide
2-Methyl-3-propylmaleic Anhydride
2-Methyl-3-propylmaleic Anhydride is a by-product in the synthesis of 2-Ethyl-3-methylmaleic Anhydride (E923520). 2-Ethyl-3-methylmaleic Anhydride is one of the bioactive ingredients present in essential oil of the leaves of Maytenus obtusifolia (Celastraceae), showed antimicrobial activity against 13 strains of bacteria, and fungus and yeast. The oil showed significant antimicrobial activity against Sthaphylococcus aureus (ATCC 6538), Escherichia coli (ATCC 18739), Listeria monocytogenes (ATCC 9610), Candida albicans (ATCC 13803), Candida tropicalis (LM 37), Candida guilliermondii (LM V70) and Aspergillus flavus (LM 247). Group: Biochemicals. Grades: Highly Purified. CAS No. 16493-20-2. Pack Sizes: 50mg, 100mg. Molecular Formula: C8H10O3. US Biological Life Sciences.
Hederacoside C. Group: Biochemicals. Alternative Names: Akebiasaponin PK; Glycoside L-H2; Kalopanaxsaponin B; Tauroside H2; Hederoside H1; Akeboside Sth; Astrantiasaponin H; Hederasaponin C; Hederacaucaside D; Pulsatillasaponin II; Pericarpsasaponin Pk; Pulsatillasaponin F; Hederacol. Grades: Plant Grade. CAS No. 14216-03-6. Pack Sizes: 20mg. Molecular Formula: C59H96O26, Molecular Weight: 1221.38. US Biological Life Sciences.
Worldwide
Ritonavir Geo-isomer
An impurity of Ritonavir.Ritonavir is a selective HIV protease inhibitor. Synonyms: (S)-(2S,3S,5S)-5-amino-1,6-diphenyl-2-(((thiazol-5-ylmethoxy)carbonyl)amino)hexan-3-yl 2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoate. - See more at: https://www. clearsynth. com/en/CSO14873. html#sthash. XUZUHQfR. dpuf. Grades: > 95%. CAS No. 959315-21-0. Molecular formula: C37H48N6O5S2. Mole weight: 720.96.
Romifidine
Romifidine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Romifidine;2-(2-Bromo-6-fluoroanilino)-2-imidazoline;Romidys;St 2130;STH 2130. Product Category: Heterocyclic Organic Compound. CAS No. 65896-16-4. Molecular formula: C9H9BrFN3. Mole weight: 258.093. Product ID: ACM65896164. Alfa Chemistry ISO 9001:2015 Certified.
Romifidine hydrochloride
Romifidine is an α2 agonist used as a sedative and analgesic in horses. Synonyms: N-(2-Bromo-6-fluorophenyl)-4,5-dihydro-1H-imidazol-2-amine hydrochloride; STH 2130Cl; Sedivet. CAS No. 65896-14-2. Molecular formula: C9H10BrClFN3. Mole weight: 294.55.
Roxithromycin Impurity E
A impurity of Roxithromycin.Roxithromycin is a bacterial protein synthesis inhibitor, macrolide antibiotic. Synonyms: (3R, 4S, 5S, 6R, 7R, 9R, 11S, 12R, 13S, 14R, Z)-4-(((2R, 4R, 5S, 6S)-4, 5-dihydroxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S, 4R, 6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7, 12, 13-trihydroxy-10-(((2-methoxyethoxy)methoxy)imino)-3, 5, 7, 9, 11, 13-hexamethyloxacyclotetradecan-2-one; - See more at: https://www. clearsynth. com/en/CSO11802. html#sthash. HaKJh4Kf. dpuf. Grades: > 95%. CAS No. 1460313-66-9. Molecular formula: C40H74N2O15. Mole weight: 823.04.
Roxithromycin Impurity H
A impurity of Roxithromycin.Roxithromycin is a bacterial protein synthesis inhibitor, macrolide antibiotic. Synonyms: (3R, 4S, 5S, 6R, 7R, 9R, 11S, 12R, 13R, 14R, Z)-6-(((2S, 3S, 5R, 6R)-5-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7, 12-dihydroxy-4-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(((2-methoxyethoxy)methoxy)imino)-3, 5, 7, 9, 11, 13-hexamethyloxacyclotetradecan-2-one;Erythralosamine - See more at: https://www. clearsynth. com/en/CSO11801. html#sthash. a0iC0sGC. dpuf. Grades: > 95%. CAS No. 425365-65-7. Molecular formula: C41H76N2O14. Mole weight: 821.07.
Rufinamide Impurity 4
An impurity of rufinamide.Rufinamide is an antiepileptic triazole derivative which decreases firing by neurons at sodium channels. Anticonvulsant. Neuroprotective & Neuroresearch Product. Synonyms: Ethyl 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole#8208;difluorophenyl)methyl]-1H-1,2,3- triazole-4-carboxylate. - See more at: https://clearsynth. com/en/CSO13546. html#sthash. WZWyUdwK. dpuf. Grades: > 95%. Molecular formula: C10H7ClF2N4O. Mole weight: 272.64.
Safinamide Impurity 1
An impurity of safinamide,safinamide is a selective monoamine oxidase B inhibitor, reducing degradation of dopamine. Synonyms: (S) -2- ( (3- (3-fluorobenzyl) -4- ( (3-fluorobenzyl) oxy) benzyl) amino) propanamide - See more at: https://www. clearsynth. com/en/CSP01140. html#sthash. mrupusLk. dpuf. Grades: > 95%. CAS No. 1000370-27-3. Molecular formula: C24H24F2N2O2. Mole weight: 410.47.
Salbutamol Impurity H
An impurity of salbutamol.Salbutamol is a short-acting, selective beta2-adrenergic receptor agonist used in the treatment of asthma and COPD. It is 29 times more selective for beta2 receptors than beta1 receptors giving it higher specificity for pulmonary beta receptors versus beta1-adrenergic receptors located in the heart. Synonyms: 4-[2-[(1,1-Dimethylethyl)amino]ethyl]-2-methylphenol;4-tert-Butylaminoethyl-2-methylphenol;Albuterol impurity H - See more at: https://www. clearsynth. com/en/CST09400. html#sthash. zvmzioIv. dpuf. Grades: > 95%. CAS No. 132183-64-3. Molecular formula: C13H21NO. Mole weight: 207.32.
Salbutamol Impurity K
An impurity of salbutamol.Salbutamol is a short-acting, selective beta2-adrenergic receptor agonist used in the treatment of asthma and COPD. It is 29 times more selective for beta2 receptors than beta1 receptors giving it higher specificity for pulmonary beta receptors versus beta1-adrenergic receptors located in the heart. Synonyms: 2-(tert-butylamino)-1-(3-chloro-4-hydroxy-5-(hydroxymethyl)phenyl)ethanone. #sthash.IAoj5Vs7.dpuf. Grades: > 95%. CAS No. 898542-80-8. Molecular formula: C13H18ClNO3. Mole weight: 271.75.
Sarpogrelate Related Compound II (3-Dimethylamino-1-[o-[2-(m-methoxyphenyl)-1-Hydroxyethyl]phenoxy]-2-propyl Hydrogen Su
An impurity of Sarpogrelate.Sarpogrelate is a drug which acts as an antagonist at the 5HT2A and 5-HT2B receptors. Synonyms: 4-((1-(dimethylamino)-3-(2-(1-hydroxy-2-(3-methoxyphenyl)ethyl)phenoxy)propan-2-yl)oxy)-4-oxobutanoc cid. - See more at: https://www. clearsynth. com/cn/CSO13417. html#sthash. KzPsLa9J. dpuf. Grades: > 95%. CAS No. 1659311-44-0. Molecular formula: C24H31NO7. Mole weight: 445.52.
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