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| Product | Description | |
|---|---|---|
| Erythromycin C | A minor co-metabolite of erythromycin produced by saccharopolyspora erythreae. It exhibits a narrow spectrum of antibacterial activity, and it is much less active than erythromycin A and B. Synonyms: 3''-O-Demethylerythromycin A; Erythromycin Impurity 6. Grades: >98% by HPLC. CAS No. 1675-02-1. Molecular formula: C36H65NO13. Mole weight: 719.90. |  |
| Erythromycin C | Erythromycin C. Group: Biochemicals. Alternative Names: 3''-O-Demethyl erythromycin. Grades: Highly Purified. CAS No. 1675-02-1. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C36H65NO13. US Biological Life Sciences. |  Worldwide |
| Erythromycin C | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. |  |
| (10E)-10,11-Didehydro-11-deoxy-6-O-methylerythromycin | (10E)-10,11-Didehydro-11-deoxy-6-O-methylerythromycin. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (10E)-10,11-Didehydro-11-deoxy-6-O-methylerythromycin A, Oxacyclotetradecane, erythromycin deriv. CAS No. 144604-03-5. IUPAC Name: (3R,4S,5S,6R,7R,9R,11E,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-13-hydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-1-oxacyclotetradec-11-ene-2,10-dione. Molecular formula: C38H67NO12. Mole weight: 729.94. Catalog: APS144604035. SMILES: CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]3O[C@H](C)C[C@@H]([C@H]3O)N(C)C)[C@@](C)(C[C@@H](C)C(=O)\C(=C\[C@]1(C)O)\C)OC. Format: Neat. | |
| (10E)-10,11-Didehydro-11-deoxy-6-O-methylerythromycin | Erythromycin derivative. Group: Biochemicals. Alternative Names: Oxacyclotetradecane Erythromycin Derivative. Grades: Highly Purified. CAS No. 144604-03-5. Pack Sizes: 25mg. US Biological Life Sciences. | Worldwide |
| (10E)-3-O-De(a-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin | (10E)-3-O-De(a-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin. Group: Biochemicals. Alternative Names: (10E)-3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)-10,11-didehydro-11-deoxy-6-O-methyl-erythromycin. Grades: Highly Purified. CAS No. 198782-59-1. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C30H53NO9. US Biological Life Sciences. | Worldwide |
| (10E)-3-O-De(a-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin 2'-acetate | (10E)-3-O-De(a-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin 2'-acetate. Group: Biochemicals. Alternative Names: (10E)-3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)-10,11-didehydro-11-deoxy-6-O-methyl-erythromycin 2'-acetate. Grades: Highly Purified. CAS No. 198782-60-4. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C32H55NO10. US Biological Life Sciences. | Worldwide |
| (10E)-3-O-De(α-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin | Erythromycin derivative. Group: Biochemicals. Alternative Names: (10E)-3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-10,11-didehydro-11-deoxy-6-O-methyl-erythromycin. Grades: Highly Purified. CAS No. 198782-59-1. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| (10E)-3-O-De(α-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin 2'-Acetate | Erythromycin derivative. Group: Biochemicals. Alternative Names: (10E)-3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-10,11-didehydro-11-deoxy-6-O-methyl-erythromycin 2'-Acetate. Grades: Highly Purified. CAS No. 198782-60-4. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| 12-Deoxy-α-Aza-8α-homoerythromycin A | 12-Deoxy-α-Aza-8α-homoerythromycin A is an impurity in the synthesis of Azithromycin (A927000), a semi-synthetic macrolide antibiotic, and related to Erythromycin A. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C37H68N2O12. US Biological Life Sciences. | Worldwide |
| 12-Deoxyerythromycin 9-Oxime | 12-Deoxyerythromycin 9-Oxime is an intermediate in the synthesis of related compound Azithromycin (A927000), a semi-synthetic macrolide antibiotic, and related to Erythromycin A. Group: Biochemicals. Grades: Highly Purified. CAS No. 53274-43-4. Pack Sizes: 10mg, 25mg. Molecular Formula: C37H68N2O12. US Biological Life Sciences. | Worldwide |
| 12-Deoxyerythromycin 9-Oxime | 12-Deoxyerythromycin 9-Oxime is an intermediate in the synthesis of related compound Azithromycin, a semi-synthetic macrolide antibiotic, and related to Erythromycin A. Synonyms: Erythromycin B 9-oxime; Erythromycin B oxime. CAS No. 53274-43-4. Molecular formula: C37H68N2O12. Mole weight: 732.94. | |
| 2,4-O-Bis(trimethylsilyl)-6-O-methylerythromycin A 9-[O-(1- methoxy-1-methylethyl) Oxime | 2,4-O-Bis(trimethylsilyl)-6-O-methylerythromycin A 9-[O-(1- methoxy-1-methylethyl) Oxime is used in the preparation of an antibiotic erythromycin A and its derivatives. Group: Biochemicals. Grades: Highly Purified. CAS No. 119699-81-9. Pack Sizes: 5mg, 10mg. Molecular Formula: C48H94N2O14Si2, Molecular Weight: 979.44. US Biological Life Sciences. | Worldwide |
| 2, 4-O-Bis (trimethylsilyl) erythromycin A 9-O-(1-Ethoxy-1-methylethyl)oxime | 2, 4-O-Bis (trimethylsilyl) erythromycin A 9-O-(1-Ethoxy-1-methylethyl)oxime is an intermediate used in the synthesis of clarithromycin, a macrolide antibiotic and other antibiotics. Group: Biochemicals. Grades: Highly Purified. CAS No. 119665-78-0. Pack Sizes: 10mg, 25mg. Molecular Formula: C48H94N2O14Si2, Molecular Weight: 979.44. US Biological Life Sciences. | Worldwide |
| 3'-[[(2-Methoxyethoxy)methyl Erythromycin A Oxime Chloride | Erythromycin A Oxime derivative. Group: Biochemicals. Alternative Names: 3'-De (dimethylamino) -3'- [ [ (2-methoxyethoxy) methyl] dimethylammonio] erythromycin 9-Oxime Chloride. Grades: Highly Purified. CAS No. 151750-47-9. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| 4'',6-Di-O-methylerythromycin-d3 | 4'',6-Di-O-methylerythromycin-d3. Group: Biochemicals. Alternative Names: Oxacyclotetradecane, Erythromycin deriv.-d3; 4'-O-Methylclarithromycin-d3. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C39H68D3NO13, Molecular Weight: 765. US Biological Life Sciences. | Worldwide |
| 6,11-Di-O-methyl erythromycin | 6,11-Di-O-methyl erythromycin. Group: Biochemicals. Alternative Names: 6,11-Di-O-methylerythromycin; 11-O-Methylclarithromycin. Grades: Highly Purified. CAS No. 81103-14-2. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C39H71NO13. US Biological Life Sciences. | Worldwide |
| 6,12-Di-O-methyl-2',4''-bis-O-(trimethylsilyl)-erythromycin 9-[2-(Triphenylmethyl)hydrazone] | 6,12-Di-O-methyl-2',4''-bis-O-(trimethylsilyl)-erythromycin 9-[2-(Triphenylmethyl)hydrazone] is an intermediate in the synthesis of 12-O-Methyl Clarithromycin which is a methylated impurity of the semi-synthetic macrolide antibiotic Clarithromycin. 12-O-Methyl Clarithromycin was proved to inhibit Clarithromycin uptake into the lung cells. Molecular formula: C64H103N3O12Si2. Mole weight: 1162.69. | |
| 6-O-Methyl-2',4''-bis-O-(trimethylsilyl)-erythromycin 9-[2-(Triphenylmethyl)hydrazone] | As an intermediate in the synthesis of 12-O-Methyl Clarithromycin, 6-O-Methyl-2',4'-bis-O-(trimethylsilyl)-erythromycin 9-[2-(Triphenylmethyl)hydrazone] is a methylated impurity of the semi-synthetic macrolide antibiotic Clarithromycin. 12-O-Methyl Clarithromycin was shown to inhibit uptake of Clarithromycin into the lung cells. Molecular formula: C63H101N3O12Si2. Mole weight: 1148.66. | |
| 6-O-Methyl-erythromycin 9-[O-[1-(1-Methylethoxy)cyclohexyl]oxime] | As an intermediate in the synthesis of 4',6-Di-O-methylerythromycin, 6-O-Methyl-erythromycin 9-[O-[1-(1-Methylethoxy)cyclohexyl]oxime] is a derivative of O-Methylerythromycin and may be used in the treatment of lung diseases requiring antibiotics. Synonyms: Oxacyclotetradecane Erythromycin Derivative; (3R, 4S, 5S, 6R, 7R, 9R, 11S, 12R, 13S, 14R, E)-6-(((2S, 3R, 4S, 6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12, 13-dihydroxy-4-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(((1-isopropoxycyclohexyl)oxy)imino)-7-methoxy-3, 5, 7, 9, 11, 13-hexamethyloxacyclotetradecan-2-one. CAS No. 156715-14-9. Molecular formula: C47H86N2O14. Mole weight: 903.19. | |
| 8-Epi-11,12-epoxy Erythromycin A | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 55S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: 8-Epi-11,12-epoxy Erythromycin A. Grades: > 95%. Molecular formula: C37H65NO12. Mole weight: 715.93. | |
| 8-Fluoro erythromycin | 8-Fluoro erythromycin. Group: Biochemicals. Alternative Names: 8-Fluoroerythromycin; (8S)-8-Fluoroerythromycin A; 8-Fluoroerythromycin A. Grades: Highly Purified. CAS No. 82664-20-8. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C37H66FNO13. US Biological Life Sciences. | Worldwide |
| 8-Hydroxyerythromycin | 8-Hydroxyerythromycin is a semi-synthetic antibiotic made from erythromycin A. The antibacterial activity is only half that of the original antibiotic, but its stability under acidic conditions is 500-600 times that of the original antibiotic. CAS No. 51433-35-8. Molecular formula: C37H67NO14. Mole weight: 749.92. | |
| 9-Deoxo-9a-aza-9a-homo 4'-Keto Erythromycin A | 2R, ?3S, ?4R, ?5R, ?8R, ?10R, ?11R, ?12S, ?13S, ?14R)?-13-[(2, ?6-Dideoxy-3-C-methyl-3-O-methyl-α-L-erythro-hexopyranos-4-ulos-1-yl)?oxy]?-2-ethyl-3, ?4, ?10-trihydroxy-3, ?5, ?8, ?10, ?12, ?14-hexamethyl-11-[[3, ?4, ?6-trideoxy-3-(dimethylamino)?-β-D-xylo-hexopyranosyl]?oxy]?-1-oxa-6-azacyclopentadecan-15-one is an intermediate in synthesizing Tulathromycin A-d7, a labeled analogue of Triamilide, which is an antibiotic for treatment of bovine and porcine respiratory disease. Exists as an equilibrium mixture of two isomeric forms, Tulathromycin A (90%) and B (10%). Antibacterial. Synonyms: 2R, ?3S, ?4R, ?5R, ?8R, ?10R, ?11R, ?12S, ?13S, ?14R)?-13-[(2, ?6-Dideoxy-3-C-methyl-3-O-methyl-α-L-erythro-hexopyranos-4-ulos-1-yl)?oxy]?-2-ethyl-3, ?4, ?10-trihydroxy-3, ?5, ?8, ?10, ?12, ?14-hexamethyl-11-[[3, ?4, ?6-trideoxy-3-(dimethylamino)?-β-D-xylo-hexopyranosyl]?oxy]?-1-oxa-6-azacyclopentadecan-15-one. CAS No. 270583-32-9. Molecular formula: C37H68N2O12. Mole weight: 732.94. | |
| 9-Deoxo-9a-aza-9a-homo erythromycin A | 9-Deoxo-9a-aza-9a-homo erythromycin A. Group: Biochemicals. Alternative Names: Azaerythromycin A; Azathramycin; Desmethylazithromycin. Grades: Highly Purified. CAS No. 76801-85-9. Pack Sizes: 25g, 50g, 100g, 250g, 500g. Molecular Formula: C37H70N2O12. US Biological Life Sciences. | Worldwide |
| (9E)-Erythromycin 9-[O-[[ (2-methoxyethoxy) methoxy]methyl]oxime] | (9E)-Erythromycin 9-[O-[[ (2-methoxyethoxy) methoxy]methyl]oxime]. Group: Biochemicals. Alternative Names: Roxithromycin impurity G. Grades: Highly Purified. CAS No. 425365-64-6. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C42H78N2O16. US Biological Life Sciences. | Worldwide |
| (9E)-Erythromycin A Oxime | (9E)-Erythromycin A Oxime is a metabolite of Roxithromycin in humans. It has anti-Helicobacter pylori activity. Group: Biochemicals. Alternative Names: (9E)-Erythromycin 9-Oxime; (E)-Erythromycin A Oxime; (E)-Erythromycin Oxime. Grades: Highly Purified. CAS No. 111321-02-9. Pack Sizes: 50mg. Molecular Formula: C??H??N?O??, Molecular Weight: 748.94. US Biological Life Sciences. | Worldwide |
| (9S)-9-Deoxo-12-deoxy-9,12-epoxyerythromycin | (9S)-9-Deoxo-12-deoxy-9,12-epoxyerythromycin is a derivative of Erythromycin, a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 55S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythromycin, 9-deoxo-12-deoxy-9,12-epoxy-, (9S)-; (1R,2R,5R,6S,7S,8R,11R,12S,13S)-8-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-9-hydroxy-6-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-1,5,7,9,11,13-hexamethyl-3,15-dioxabicyclo[10.2.1]pentadecane-4,14-dione. Grades: >95%. CAS No. 134108-11-5. Molecular formula: C37H68N2O13. Mole weight: 715.91. | |
| (9Z)-Erythromycin A Oxime | (9Z)-Erythromycin A Oxime is a metabolite of Roxithromycin (R700850) in humans. Group: Biochemicals. Alternative Names: (9Z)-Erythromycin 9-Oxime. Grades: Highly Purified. CAS No. 134931-01-4. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| Anhydro erythromycin A | Anhydro erythromycin A. Group: Biochemicals. Alternative Names: 9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxy-erythromycin; 6,9,12-Anhydroerythromycin A; Anhydroerythromycin. Grades: Highly Purified. CAS No. 23893-13-2. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C37H65NO12. US Biological Life Sciences. | Worldwide |
| Anhydro Erythromycin A | Anhydro Erythromycin A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6,15,16-Trioxatricyclo[10.2.1.11,4]hexadecane, erythromycin deriv., 6,9,12-Anhydroerythromycin A, Anhydroerythromycin,9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxy-erythromycin, 9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxyerythromycin, BRL 46355ER, Erythromycin Imp. D (EP), Anhydroerythromycin A, Erythromycin anhydride, EM 202. CAS No. 23893-13-2. Molecular formula: C37H65NO12. Mole weight: 715.91. Catalog: APS23893132. SMILES: CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]3O[C@H](C)C[C@@H]([C@H]3O)N(C)C)[C@@]4(C)C[C@@H](C)[C@]5(O4)O[C@@]1(C)[C@H](O)[C@H]5C. Format: Neat. | |
| Clarithromycin (6-O-Methylerythromycin, A-56268, TE-031, Biaxin) | A semi-synthetic macrolide antibiotic. A derivative of erythromycin. Group: Biochemicals. Alternative Names: 6-O-Methylerythromycin, A-56268, TE-031, Biaxin. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| Clarithromycin-N-methyl-d3 (6-O-Methylerythromycin-N-methyl-d3) | A labeled semi-synthetic macrolide antibiotic. A derivative of erythromycin. Group: Biochemicals. Alternative Names: 6-O-Methylerythromycin-N-methyl-d3. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| Erythromycin | 5g Pack Size. Group: Antibiotics, Bioactive Small Molecules. Formula: C37H67NO13. CAS No. 114-07-8. Prepack ID 28466420-5g. Molecular Weight 733.93. See USA prepack pricing. |  |
| Erythromycin | Erythromycin displays bacteriostatic activity or inhibits growth of bacteria, especially at higher concentrations,[25] but the mechanism is not fully understood. By binding to the 50s subunit of the bacterial rRNA complex, protein synthesis and subsequent structure and function processes critical for life or replication are inhibited.[25] Erythromycin interferes with aminoacyl translocation, preventing the transfer of the tRNA bound at the A site of the rRNA complex to the P site of the rRNA complex. Without this translocation, the A site remains occupied, thus the addition of an incoming tRNA and its attached amino acid to the nascent polypeptide chain is inhibited. This interferes with the production of functionally useful proteins, which is the basis of this antimicrobial action. Group: Biochemicals. Alternative Names: E-Base; E-Mycin; Erytromycin A; Aknemycin; Aknin; emgel; Ery-Derm; Erymax; Ery-Tab; Erythromid; ERYC. Grades: USP. CAS No. 114-07-8. Pack Sizes: 5g, 25g, 100g, 250g. Molecular Formula: C??H??NO??, Molecular Weight: 733.98. US Biological Life Sciences. | Worldwide |
| Erythromycin | Erythromycin is a macrolide antibiotic produced by actinomycete Streptomyces erythreus with a broad spectrum of antimicrobial activity. Erythromycin binds to bacterial 50S ribosomal subunits and inhibits RNA-dependent protein synthesis by blockage of transpeptidation and/or translocation reactions, without affecting synthesis of nucleic acid [1][2]. Erythromycin also exhibits antitumor and neuroprotective effect in different fields of research [3][4]. Uses: Scientific research. Group: Natural products. CAS No. 114-07-8. Pack Sizes: 10 mM * 1 mL; 500 mg; 1 g; 5 g; 10 g. Product ID: HY-B0220. |  |
| Erythromycin | Erythromycin is a macrolide antibiotic produced by actinomycete Streptomyces erythreus with a broad spectrum of antimicrobial activity. Erythromycin binds to bacterial 50S ribosomal subunits and inhibits RNA-dependent protein synthesis by blockage of transpeptidation and/or translocation reactions, without affecting synthesis of nucleic acid. Erythromycin also exhibits antitumor and neuroprotective effect in different fields of research. Uses: Designed for use in research and industrial production. Additional or Alternative Names: abboticin;abomacetin;dotycin;em;emu;e-mycin;erycin;erycinum. Product Category: Inhibitors. Appearance: powder. CAS No. 114-07-8. Molecular formula: C37H67NO13. Mole weight: 733.93. Purity: 0.9986. Product ID: ACM114078. Alfa Chemistry ISO 9001:2015 Certified. |  |
| Erythromycin | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardsbritish pharmacopoeiainternational reference standards for antibiotics (who)pharmaceutical toxicologypharmacopoeial standards. Alternative Names: Inderm, Pantomicina, Erytab, Torlamicina, Erythromycin B, EryDerm, Erythromycin C, Oxacyclotetradecane-2,10-dione, 4-[(2,6-dideoxy-3-C-methyl-3-O-methyl-?-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-?-D-xylo-hexopyranosyl]oxy]-, [3R-(3R*,4S*,5S*,6R*,7R*,9R*,11R*,12R*,13S*,14R*)]-, Abboticin, Erythromycin A, Erycinum, Retcin, Stiemycin, Erycen, Aknin, Erymax, [3R-(3R*,4S*,5S*,6R*,7R*,9R*,11R*,12R*,13S*,14R*)]-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-?-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-?-D-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione, Erycette, E-Base, Abomacetin, Dotycin, Staticin, EMU, Erythrogran, Erythromast 36, Ak-Mycin, PCE, E-Mycin, Erygel, Theramycin Z, NSC 55929, Ermycin, Erycin, T-Stat, Erythromid, Erythro, Oxacyclotetradecane, erythromycin deriv., Ilotycin, Erythrocin,Erythromycin A, ERYC, Emgel. | |
| erythromycin 12-hydroxylase | The enzyme is responsible for the C-12 hydroxylation of the macrolactone ring, one of the last steps in erythromycin biosynthesis. It shows 1200-1900-fold preference for erythromycin D over the alternative substrate erythromycin B. Group: Enzymes. Synonyms: EryK. Enzyme Commission Number: EC 1.14.13.154. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-0754; erythromycin 12-hydroxylase; EC 1.14.13.154; EryK. Cat No: EXWM-0754. |  |
| erythromycin 3''-O-methyltransferase | The enzyme methylates the 3 position of the mycarosyl moiety of erythromycin C, forming the most active form of the antibiotic, erythromycin A. It can also methylate the precursor erythromycin D, forming erythromycin B, which is then converted to erythromycin A by EC 1.14.13.154, erythromycin 12 hydroxylase. Group: Enzymes. Synonyms: EryG. Enzyme Commission Number: EC 2.1.1.254. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-1858; erythromycin 3''-O-methyltransferase; EC 2.1.1.254; EryG. Cat No: EXWM-1858. | |
| Erythromycin,6-O-methyl-2',4''-bis-O-(trimethylsilyl)-,9-[o-(1-ethoxy-1-methylethyl)oxime] | Erythromycin,6-O-methyl-2',4''-bis-O-(trimethylsilyl)-,9-[o-(1-ethoxy-1-methylethyl)oxime]. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Erythromycin,6-O-methyl-2`,4``-bis-O-(trimethylsilyl),9-[O-(1-ethoxy-1-methylethyl) oxime;Intermediate of Clarithromycin. Product Category: Heterocyclic Organic Compound. CAS No. 119665-62-2. Molecular formula: C49H96N2O14Si2. Mole weight: 993. Purity: 0.98. Product ID: ACM119665622. Alfa Chemistry ISO 9001:2015 Certified. | |
| Erythromycin A | Erythromycin A is a group of 14-membered macrolide antibiotics produced by Streptomyces erythreus. Erythromycin A is a macrolide antibiotic that has an antimicrobial spectrum similar to or slightly wider than that of penicillin (IC50=1.5 μg/ml). It has a good effect on fish whitehead and white mouth disease, gill rot disease and kidney disease. Erythromycin can be used as an alternative medicine for animals allergic to penicillin. Synonyms: erythromycin; E-Mycin; Erythrocin. Grades: >98%. CAS No. 114-07-8. Molecular formula: C37H67NO13. Mole weight: 733.93. | |
| Erythromycin A 6,9-Imino Ether | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 52S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: [3R-(3R*, 4R*, 5S*, 6R*, 9R*, 10S*, 11S*, 12R*, 13R*, 15R*)]-10-[(2, 6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-6-ethyl-4, 5-dihydroxy-3, 5, 9, 11, 13, 15-hexamethyl-12-[[3, 4, 6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-16-Dioxa-2-azabicyclo[. Grades: > 95%. CAS No. 99290-97-8. Molecular formula: C37H66N2O12. Mole weight: 730.94. | |
| Erythromycin A 6,9-Imino Ether | Erythromycin A 6,9-Imino Ether. Group: Biochemicals. Alternative Names: [3R-(3R*, 4R*, 5S*, 6R*, 9R*, 10S*, 11S*, 12R*, 13R*, 15R*)]-10-[(2, 6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-6-ethyl-4, 5-dihydroxy-3, 5, 9, 11, 13, 15-hexamethyl-12-[[3, 4, 6-trideoxy-3-(dimethylamino)- β -D-xylo-hexopyranosyl]oxy]-16-Dioxa-2-azabicyclo[11. 2. 1]hexadec-1-en-8-one. Grades: Highly Purified. CAS No. 99290-97-8. Pack Sizes: 10mg. Molecular Formula: C37H66N2O12, Molecular Weight: 730.93. US Biological Life Sciences. | Worldwide |
| Erythromycin A 6,9-Imino Ether | Erythromycin A 6,9-Imino Ether. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 7,16-Dioxa-2-azabicyclo[11.2.1]hexadec-1-en-8-one, 10-[(2,6-dideoxy-3-C-methyl-3-O-methyl-?-L-ribo-hexopyranosyl)oxy]-6-ethyl-4,5-dihydroxy-3,5,9,11,13,15-hexamethyl-12-[[3,4,6-trideoxy-3-(dimethylamino)-?-D-xylo-hexopyranosyl]oxy]-, (1Z,3R,4R,5S,6R,9R,10S,11S,12R,13R,15R)-, (1Z,3R,4R,5S,6R,9R,10S,11S,12R,13R,15R)-10-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-?-L-ribo-hexopyranosyl)oxy]-6-ethyl-4,5-dihyd. CAS No. 99290-97-8. Pack Sizes: 10MG. IUPAC Name: (1Z,3R,4R,5S,6R,9R,10S,11S,12R,13R,15R)-12-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-6-ethyl-4,5-dihydroxy-10-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-3,5,9,11,13,15-hexamethyl-7,16-dioxa-2-azabicyclo[11.2.1]hexadec-1-en-8-one. Molecular formula: C37H66N2O12. Mole weight: 730.93. Catalog: APS99290978. SMILES: CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]3O[C@H](C)C[C@@H]([C@H]3O)N(C)C)[C@@]4(C)C[C@@H](C)\C(=N\[C@H](C)[C@@H](O)[C@]1(C)O)\O4. Format: Neat. Shipping: Room Temperature. | |
| Erythromycin A 9,11-Imino Ether | Erythromycin A 9,11-Imino Ether is an impurity in the synthesis of Erythromycin, a macrolide antibiotic with broad spectrum of antibacterial activity. Group: Biochemicals. Alternative Names: [1R-(1R*, 2R*, 3R*, 6R*, 7S*, 8S*, 9R*, 10R*, 12R*, 15R*)]-7-[(2, 6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-ethyl-2, 10-dihydroxy-2, 6, 8, 10, 12, 15-hexamethyl-9-[[3, 4, 6-trideoxy-3-(dimethylamino)- β -D-xylo-hexopyranosyl]oxy]-4, 16-dioxa-14-azabicyclo[11. 2. 1]hexadec-13-en-5-one; (1R, 2R, 3R, 6R, 7S, 8S, 9R, 10R, 12R, 15R)-7-[(2, 6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-ethyl-2, 10-dihydroxy-2, 6, 8, 10, 12, 15-hexamethyl-9-[[3, 4, 6-trideoxy-3-(dimethylamino)- β -D-xylo-hexopyranosyl]oxy]-4, , 16-Dioxa-14-azabicyclo[11. 2. 1]hexadec-13-en-5-one. Grades: Highly Purified. CAS No. 161193-44-8. Pack Sizes: 1mg, 2.5mg, 5mg. Molecular Formula: C37H66N2O12, Molecular Weight: 730.93. US Biological Life Sciences. | Worldwide |
| Erythromycin A 9,11-Imino Ether | Erythromycin A 9,11-Imino Ether. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS001680. Format: Neat. | |
| Erythromycin A 9-Oxime | 1g Pack Size. Group: Antibiotics, Bioactive Small Molecules. Formula: C37H68N2O13. CAS No. 13127-18-9. Prepack ID 48912173-1g. Molecular Weight 748.94. See USA prepack pricing. | |
| Erythromycin a dihydrate | Erythromycin A dihydrate is a macrolide antibiotic produced by actinomycete Streptomyces erythreus with a broad spectrum of antimicrobial activity. Erythromycin A dihydrate binds to bacterial 50S ribosomal subunits and inhibits RNA-dependent protein synthesis by blockage of transpeptidation and/or translocation reactions, without affecting synthesis of nucleic acid. Erythromycin A dihydrate also exhibits antitumor and neuroprotective effect in different fields of research. Uses: Designed for use in research and industrial production. Product Category: Inhibitors. CAS No. 59319-72-1. Molecular formula: C37H67NO13.H2O. Mole weight: 751.945. Product ID: ACM59319721. Alfa Chemistry ISO 9001:2015 Certified. Categories: Erythromycin dihydrate. | |
| Erythromycin A dihydrate | analytical standard. Group: Application areas. | |
| Erythromycin A Dihydrate | A highly purified form of erythromycin A, a major component found in erythromycin. Synonyms: Erythromycin A (dihydrate). CAS No. 59319-72-1. Molecular formula: C37H67NO13.2H2O. Mole weight: 769.95. | |
| Erythromycin A enol ether | Cas No. 33396-29-1. | |
| Erythromycin A enol ether | Erythromycin A enol ether. Group: Biochemicals. Alternative Names: 11-(4-Dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-5-ethyl-3, 4-dihydroxy-9-(5-hydroxy-4-methoxy-4, 6-dimethyl-tetrahydro-pyran-2-yloxy)-2, 4, 8, 10, 12, 14-hexamethyl-6, 15-dioxa-bicyclo[10. 2. 1]pentadec-1(14)-en-7-one. Grades: Highly Purified. CAS No. 33396-29-1. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C37H65NO12. US Biological Life Sciences. | Worldwide |
| Erythromycin A Enol Ether | analytical standard. Group: Application areasimpurity standards. Alternative Names: Erythromycin Imp. E (EP), Erythromycin A Enol Ether. | |
| Erythromycin A Enol Ether (11-(4-Dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-5-ethyl-3, 4-dihydroxy-9-(5-hydroxy-4-methoxy-4, 6-dimethyl-tetrahydro-pyran-2-yloxy)-2, 4, 8, 10, 12, 14-hexamethyl-6, 15-dioxa-bicyclo[10. 2. 1]pentadec-1(14)-en-7-one) | Impurity E. Group: Biochemicals. Alternative Names: 11-(4-Dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-5-ethyl-3, 4-dihydroxy-9-(5-hydroxy-4-methoxy-4, 6-dimethyl-tetrahydro-pyran-2-yloxy)-2, 4, 8, 10, 12, 14-hexamethyl-6, 15-dioxa-bicyclo[10. 2. 1]pentadec-1(14)-en-7-one. Grades: Highly Purified. CAS No. 33396-29-1. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| Erythromycin A N-oxide | Cas No. 992-65-4. | |
| Erythromycin A oxime (roxithromycin impurity C) | Erythromycin A oxime (roxithromycin impurity C). Group: Biochemicals. Alternative Names: 9-Erythromycin 9-oxime; 9-Erythromycin A oxime; Erythromycin oxime. Grades: Highly Purified. CAS No. 13127-18-9. Pack Sizes: 10g, 25g, 50g, 100g, 250g. Molecular Formula: C37H68N2O13. US Biological Life Sciences. | Worldwide |
| Erythromycin B | Erythromycin B. Group: Biochemicals. Grades: Highly Purified. CAS No. 527-75-3. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. Molecular Formula: C37H67NO12. US Biological Life Sciences. | Worldwide |
| Erythromycin B | Erythromycin B is a minor co-metabolite of erythromycin produced by fermentation of Saccharopolyspora erythreae. Erythromycin B exhibits broad spectrum antibiotic activity against Gram-positive and Gram-negative bacteria. An impurity of Erythromycin. Uses: Anti-bacterial agents. Synonyms: Erythromycin B; Oxacyclotetradecane, erythromycin deriv.; 12-Deoxyerythromycin; Abbott 24091; Berythromycin. Grades: >95%. CAS No. 527-75-3. Molecular formula: C37H67NO12. Mole weight: 717.93. | |
| Erythromycin B | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardseuropean pharmacopoeia (ph. eur.)pharmacopoeial standards. Alternative Names: Erythromycin B. | |
| Erythromycin Base | Erythromycin Base. CAS No. 114-07-08. Categories: erythromycin; 114-07-8. |  CA, FL & NJ |
| Erythromycin-d3 | Erythromycin-d3 is the deuterium labeled Erythromycin[1]. Erythromycin is a macrolide antibiotic produced by actinomycete Streptomyces erythreus with a broad spectrum of antimicrobial activity. Erythromycin binds to bacterial 50S ribosomal subunits and inhibits RNA-dependent protein synthesis by blockage of transpeptidation and/or translocation reactions, without affecting synthesis of nucleic acid. Erythromycin also exhibits antitumor and neuroprotective effect in different fields of research[2][3][4][5]. Uses: Scientific research. Group: Isotope-labeled compounds. CAS No. 959119-26-7. Pack Sizes: 1 mg. Product ID: HY-B0220S2. | |
| Erythromycin EP Impurity B | A metabolite of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 50S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: N-Demethylerythromycin A; N-Desmethyl Erythromycin A; Des-N-methylerythromycin; Demethylerythromycin; USP Erythromycin Related Compound N; 3'-Demethylerythromyon; 11,13-hexamethyl-oxacyclotetradecane-2,10-dione. Grades: >95%. CAS No. 992-62-1. Molecular formula: C36H65NO13. Mole weight: 719.90. | |
| Erythromycin EP Impurity C | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: 1'',16-epoxy-Erythromycin; erythromycin E. Grades: > 95%. CAS No. 41451-91-6. Molecular formula: C37H65NO14. Mole weight: 747.91. | |
| Erythromycin EP Impurity D | An acid-catalyzed degradation product of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 57S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Anhydroerythromycin A; Anhydro Erythromycin A; 9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxy-erythromycin; 6,9,12-Anhydroerythromycin A. Grades: >95%. CAS No. 23893-13-2. Molecular formula: C37H65NO12. Mole weight: 715.91. | |
| Erythromycin EP Impurity F | Erythromycin EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,3R,6R,7S,8S,9R,10R)-3-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12-pentamethyl-4,13-d. CAS No. 105882-69-7. Molecular formula: C37H65NO12. Mole weight: 715.91. Catalog: APB105882697. | |
| Erythromycin EP Impurity I | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythralosamine. CAS No. 546-57-6. Molecular formula: C29H49NO8. Mole weight: 539.70. | |
| Erythromycin EP Impurity J | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Pseudoerythromycin A hemiketal. CAS No. 105900-46-7. Molecular formula: C37H67NO13. Mole weight: 733.93. | |
| Erythromycin EP Impurity J | Erythromycin EP Impurity J. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (1S,4S,5R,8R,9S,10S,11R,12R,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one. CAS No. 105900-46-7. Molecular formula: C29H49NO8. Mole weight: 539.7. Catalog: APB105900467. | |
| Erythromycin EP Impurity K | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythromycin D; 3''-O-Demethyl-12-deoxyerythromycin. CAS No. 33442-56-7. Molecular formula: C36H65NO12. Mole weight: 703.90. | |
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