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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Tulathromycin and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Tulathromycin impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Tulathromycin-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

N-Nitroso Tulathromycin
CAT No: CL-TUL-NO-01 CAS No: NA Mol Wt: 969.21 Mol F: C49H84N4O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3S,4S,6R)-4-(dimethylamino)-2-(((2S,3S,4S,5S,8R,10S,11R,12R,13R,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-((nitroso(propyl)amino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 1
CAT No: CL-TUL-NO-02 CAS No: NA Mol Wt: 955.2 Mol F: C48H82N4O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3S,4S,6R)-2-(((2S,3S,4S,5S,8R,10S,11R,12R,13R,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-((propylamino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyl-4-(methyl(nitroso)amino)tetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 2
CAT No: CL-TUL-NO-03 CAS No: NA Mol Wt: 969.22 Mol F: C49H84N4O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3S,4S,6R)-4-(dimethylamino)-2-(((2S,3S,4S,5S,8R,10S,11R,12R,13R,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-((propylamino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 3
CAT No: CL-TUL-NO-04 CAS No: NA Mol Wt: 884.07 Mol F: C44H73N3O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyl-4-(methyl(nitroso)amino)tetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 4
CAT No: CL-TUL-NO-05 CAS No: NA Mol Wt: 898.1 Mol F: C45H75N3O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-4-(dimethylamino)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 5
CAT No: CL-TUL-NO-06 CAS No: NA Mol Wt: 913.07 Mol F: C44H72N4O16 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyl-4-(methyl(nitroso)amino)tetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 6
CAT No: CL-TUL-NO-07 CAS No: NA Mol Wt: 882.06 Mol F: C44H71N3O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,6S)-4-methoxy-4,6-dimethyl-5-oxotetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyl-4-(methyl(nitroso)amino)tetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 7
CAT No: CL-TUL-NO-08 CAS No: NA Mol Wt: 896.09 Mol F: C45H73N3O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-4-(dimethylamino)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,6S)-4-methoxy-4,6-dimethyl-5-oxotetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 8
CAT No: CL-TUL-NO-09 CAS No: NA Mol Wt: 884.07 Mol F: C44H73N3O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyl-4-(methyl(nitroso)amino)tetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 9
CAT No: CL-TUL-NO-10 CAS No: NA Mol Wt: 898.1 Mol F: C45H75N3O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-4-(dimethylamino)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity 10
CAT No: CL-TUL-NO-11 CAS No: NA Mol Wt: 896.09 Mol F: C45H73N3O15 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((3S,4S,6R,8R)-8-methoxy-4,8-dimethyl-1,5-dioxaspiro[2.5]octan-6-yl)oxy)-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyl-4-(methyl(nitroso)amino)tetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity B
CAT No: CL-TUL-NO-12 CAS No: NA Mol Wt: 925.08 Mol F: C45H72N4O16 Inv Status: Custom Synthesis
Chemical Name: benzyl ((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((3S,4S,6R,8R)-8-methoxy-4,8-dimethyl-1,5-dioxaspiro[2.5]octan-6-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyl-4-(methyl(nitroso)amino)tetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity D
CAT No: CL-TUL-NO-13 CAS No: NA Mol Wt: 775.98 Mol F: C38H69N3O13 Inv Status: Custom Synthesis
Chemical Name:  benzyl ((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((3S,4S,6R,8R)-8-methoxy-4,8-dimethyl-1,5-dioxaspiro[2.5]octan-6-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-6-methyl-4-(methylamino)tetrahydro-2H-pyran-3-yl) carbonate
N-Nitroso Tulathromycin Impurity E
CAT No: CL-TUL-NO-14 CAS No: NA Mol Wt: 761.95 Mol F: C37H67N3O13 Inv Status: Custom Synthesis
Chemical Name: N-((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((3R,4S,6R,8R)-8-methoxy-4,8-dimethyl-1,5-dioxaspiro[2.5]octan-6-yl)oxy)-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylnitrous amide
N-Nitroso Tulathromycin Impurity F
CAT No: CL-TUL-NO-15 CAS No: NA Mol Wt: 835.09 Mol F: C41H78N4O13 Inv Status: Custom Synthesis
Chemical Name: N-(((2S,3S,4R,6R)-6-(((2S,3S,6R,8R,9R,10S,11S,12R)-2-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-8-hydroxy-3,6,8,10,12-pentamethyl-13-oxo-1-oxa-4-azacyclotridecan-11-yl)oxy)-3-hydroxy-4-methoxy-2,4-dimethyltetrahydro-2H-pyran-3-yl)methyl)-N-propylnitrous amide
N-Nitroso Tulathromycin Impurity G
CAT No: CL-TUL-NO-16 CAS No: NA Mol Wt: 864.09 Mol F: C41H77N5O14 Inv Status: Custom Synthesis
Chemical Name: N-(((2S,3S,4R,6R)-6-(((2S,3S,6R,8R,9R,10S,11S,12R)-2-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-8-hydroxy-3,6,8,10,12-pentamethyl-4-nitroso-13-oxo-1-oxa-4-azacyclotridecan-11-yl)oxy)-3-hydroxy-4-methoxy-2,4-dimethyltetrahydro-2H-pyran-3-yl)methyl)-N-propylnitrous amide
N-Nitroso Tulathromycin Impurity H
CAT No: CL-TUL-NO-17 CAS No: NA Mol Wt: 775.98 Mol F: C38H69N3O13 Inv Status: Custom Synthesis
Chemical Name: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((3R,4S,6R,8R)-8-methoxy-4,8-dimethyl-1,5-dioxaspiro[2.5]octan-6-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-1-oxa-6-azacyclopentadecan-15-one
N-Nitroso Tulathromycin Impurity I
CAT No: CL-TUL-NO-18 CAS No: NA Mol Wt: 761.95 Mol F: C37H67N3O13 Inv Status: Custom Synthesis
Chemical Name: N-((2S,3R,4S,6R)-2-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((3R,4S,6R,8R)-8-methoxy-4,8-dimethyl-1,5-dioxaspiro[2.5]octan-6-yl)oxy)-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylnitrous amide
N-Nitroso Tulathromycin Impurity K
CAT No: CL-TUL-NO-19 CAS No: NA Mol Wt: 835.09 Mol F: C41H78N4O13 Inv Status: Custom Synthesis
Chemical Name: (2S,3S,6R,8R,9R,10S,11S,12R)-2-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-8-hydroxy-11-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-((propylamino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,6,8,10,12-pentamethyl-4-nitroso-1-oxa-4-azacyclotridecan-13-one
N-Nitroso Tulathromycin Impurity L
CAT No: CL-TUL-NO-20 CAS No: NA Mol Wt: 847.1 Mol F: C42H78N4O13 Inv Status: Custom Synthesis
Chemical Name: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((5S,6S,8R,10R)-10-methoxy-6,10-dimethyl-3-propyl-1,7-dioxa-3-azaspiro[4.5]decan-8-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-1-oxa-6-azacyclopentadecan-15-one
N-Nitroso Tulathromycin Impurity M
CAT No: CL-TUL-NO-21 CAS No: NA Mol Wt: 793.01 Mol F: C38H72N4O13 Inv Status: Custom Synthesis
Chemical Name: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-(((2R,4R,5S,6S)-5-(aminomethyl)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexamethyl-6-nitroso-1-oxa-6-azacyclopentadecan-15-one
N-Nitroso Tulathromycin Impurity N
CAT No: CL-TUL-NO-22 CAS No: NA Mol Wt: 835.09 Mol F: C41H78N4O13 Inv Status: In Stock
Chemical Name: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5R,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-((propylamino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-6-nitroso-1-oxa-6-azacyclopentadecan-15-one
N-Nitroso Tulathromycin Impurity O
CAT No: CL-TUL-NO-23 CAS No: NA Mol Wt: 835.09 Mol F: C41H78N4O13 Inv Status: Custom Synthesis
Chemical Name: N-(((2S,3R,4R,6R)-6-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadecan-13-yl)oxy)-3-hydroxy-4-methoxy-2,4-dimethyltetrahydro-2H-pyran-3-yl)methyl)-N-propylnitrous amide
N-Nitroso Tulathromycin Impurity P
CAT No: CL-TUL-NO-24 CAS No: NA Mol Wt: 819.05 Mol F: C40H74N4O13 Inv Status: Custom Synthesis
Chemical Name: (((1S,3R,5S,6S,7R,9S,11S,13S,15R,16R,18R,21S,22S,25R,26S)-22-((2R,3R)-2,3-dihydroxypentan-2-yl)-11-(dimethylamino)-6,12,16-trihydroxy-7-methoxy-5,16,18,21,25,26-hexamethyl-24-oxo-2,4,14,23,27-pentaoxa-20-azatetracyclo[13.10.1.13,7.19,13]octacosan-6-yl)methyl)-N-propylnitrous amide
N-Nitroso Tulathromycin Impurity Q
CAT No: CL-TUL-NO-25 CAS No: NA Mol Wt: 819.05 Mol F: C40H74N4O13 Inv Status: Custom Synthesis
Chemical Name: (1S,3R,5S,6S,7R,9S,11S,13S,15R,16R,18R,21S,22S,25R,26S)-22-((2R,3R)-2,3-dihydroxypentan-2-yl)-11-(dimethylamino)-6,12,16-trihydroxy-7-methoxy-5,16,18,21,25,26-hexamethyl-20-nitroso-6-((propylamino)methyl)-2,4,14,23,27-pentaoxa-20-azatetracyclo[13.10.1.13,7.19,13]octacosan-24-one
N-Nitroso Tulathromycin Impurity R
CAT No: CL-TUL-NO-26 CAS No: NA Mol Wt: 837.06 Mol F: C40H76N4O14 Inv Status: Custom Synthesis
Chemical Name: N-(((2R,3R,4S,6S)-6-(((2S,3R,4R,5S,8S,10S,12R,13R,14S)-11-(((2R,3S,4R,6S)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,5,10-tetrahydroxy-3,8,10,12,14-pentamethyl-15-oxo-1-oxa-6-azacyclopentadecan-13-yl)oxy)-3-hydroxy-4-methoxy-2,4-dimethyltetrahydro-2H-pyran-3-yl)methyl)-N-propylnitrous amide
N-Nitroso Tulathromycin Impurity S
CAT No: CL-TUL-NO-27 CAS No: NA Mol Wt: 837.06 Mol F: C40H76N4O14 Inv Status: Custom Synthesis
Chemical Name: (2S,3R,4R,5S,8S,10S,12R,13R,14S)-11-(((2R,3S,4R,6S)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,5,10-tetrahydroxy-13-(((2S,4S,5R,6R)-5-hydroxy-4-methoxy-4,6-dimethyl-5-((propylamino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,8,10,12,14-pentamethyl-6-nitroso-1-oxa-6-azacyclopentadecan-15-one
N-Dinitroso Tulathromycin / N-Nitroso Tulathromycin Impurity 11
CAT No: CL-TUL-NO-28 CAS No: NA Mol Wt: 864.07 Mol F: C41H77N5O14 Inv Status: In Stock
Chemical Name: N-(((2S,3S,4R,6R)-6-(((2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexamethyl-6-nitroso-15-oxo-1-oxa-6-azacyclopentadecan-13-yl)oxy)-3-hydroxy-4-methoxy-2,4-dimethyltetrahydro-2H-pyran-3-yl)methyl)-N-propylnitrous amide
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