Remdesivir Impurities and its Related Products
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Remdesivir impurities refer to any substances that are present in remdesivir drug formulations but are not the active ingredient itself. These impurities can be naturally occurring or can be introduced during the drug manufacturing process. It is important to control and monitor the levels of these impurities as they can affect the safety and efficacy of the drug. Analytical techniques such as high-performance liquid chromatography (HPLC) are used to detect and quantify these impurities. The presence of impurities can also affect the stability and shelf life of the drug, making their control essential for quality assurance.
![((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2-y](https://clearsynth.com/structure/--2R-3S-4R-5R--5--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--5-cyano-3-4-dihydroxytetrahydrofuran-2-y.png "Remdesivir Impurities")
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((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2-y
| CAT No. | : CS-O-36063 |
| Mol F. | : C18H18N5O7P |
| Mol W. | : 447.34 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
![(2R,3R,4R,5R)-2-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-((benzyloxy)methyl)-3,4-dihydroxytetrah](https://clearsynth.com/structure/-2R-3R-4R-5R--2--4-Aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--5---benzyloxy-methyl--3-4-dihydroxytetrah.png "Remdesivir Impurities")
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(2R,3R,4R,5R)-2-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-((benzyloxy)methyl)-3,4-dihydroxytetrah
| CAT No. | : CS-O-35920 |
| Mol F. | : C19H19N5O4 |
| Mol W. | : 381.39 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
![(2S)-2-ethylbutyl 2-(((((2R,3S,4R,5R)-5-(4-amino-5-benzylpyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-](https://clearsynth.com/structure/-2S--2-ethylbutyl-2------2R-3S-4R-5R--5--4-amino-5-benzylpyrrolo-2-1-f--1-2-4-triazin-7-yl--5-cyano-.png "Remdesivir Impurities")
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(2S)-2-ethylbutyl 2-(((((2R,3S,4R,5R)-5-(4-amino-5-benzylpyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-
| CAT No. | : CS-O-36069 |
| Mol F. | : C34H41N6O8P |
| Mol W. | : 692.70 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
![(2S)-2-ethylbutyl 2-(((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-4-hydroxy](https://clearsynth.com/structure/-2S--2-ethylbutyl-2------2R-3S-4R-5R--5--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--5-cyano-4-hydroxy.png "Remdesivir Impurities")
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(2S)-2-ethylbutyl 2-(((((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-4-hydroxy
| CAT No. | : CS-O-35715 |
| Mol F. | : C27H35N6O8P |
| Mol W. | : 602.58 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(2S)-2-ethylbutyl 2-((((7-((2R,3R,4S,5R)-2-cyano-5-((((((S)-1-(2-ethylbutoxy)-1-oxopropan-2-yl)amino
| CAT No. | : CS-O-36070 |
| Mol F. | : C42H57N7O12P2 |
| Mol W. | : 913.89 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(2S)-2-ethylbutyl 2-(((perfluorophenoxy)(phenoxy)phosphoryl)amino)propanoate
| CAT No. | : CS-O-35914 |
| Mol F. | : C21H23F5NO5P |
| Mol W. | : 495.38 g/mol |
| Cas No. | : 1673560-19-4 |
| Stock | : Enquire |
![(2S,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-3,4-bis(benzyloxy)-5-((benzyloxy)methyl)t](https://clearsynth.com/structure/-2S-3R-4R-5R--2--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--3-4-bis-benzyloxy--5---benzyloxy-methyl-t.png "Remdesivir Impurities")
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(2S,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-3,4-bis(benzyloxy)-5-((benzyloxy)methyl)t
| CAT No. | : CS-O-35911 |
| Mol F. | : C33H31N5O4 |
| Mol W. | : 561.63 g/mol |
| Cas No. | : 1369903-46-7 |
| Stock | : Enquire |
![(3aR,4S,6R,6aR)-4-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-(hydroxymethyl)-2,2-dimethyltetrahydr](https://clearsynth.com/structure/-3aR-4S-6R-6aR--4--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--6--hydroxymethyl--2-2-dimethyltetrahydr.png "Remdesivir Impurities")
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(3aR,4S,6R,6aR)-4-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-(hydroxymethyl)-2,2-dimethyltetrahydr
| CAT No. | : CS-O-35915 |
| Mol F. | : C15H17N5O4 |
| Mol W. | : 331.3 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
![(S)-2-ethylbutyl 2-((bis(((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dih](https://clearsynth.com/structure/-S--2-ethylbutyl-2---bis---2R-3S-4R-5R--5--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--5-cyano-3-4-dih.png "Remdesivir Impurities")
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(S)-2-ethylbutyl 2-((bis(((2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dih
| CAT No. | : CS-O-36071 |
| Mol F. | : C33H42N11O11P |
| Mol W. | : 799.73 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
![(S)-butyl 2-(((S)-(((3aR,4R,6R,6aR)-6-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-cyano-2,2-dimethy](https://clearsynth.com/structure/-S--butyl-2----S-----3aR-4R-6R-6aR--6--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--6-cyano-2-2-dimethy.png "Remdesivir Impurities")
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(S)-butyl 2-(((S)-(((3aR,4R,6R,6aR)-6-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-cyano-2,2-dimethy
| CAT No. | : CS-O-35776 |
| Mol F. | : C28H35N6O8P |
| Mol W. | : 614.59 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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2-Ethylbutyl ((4-nitrophenoxy)(phenoxy)phosphoryl)-L-alaninate
| CAT No. | : CS-O-35919 |
| Mol F. | : C21H27N2O7P |
| Mol W. | : 450.43 g/mol |
| Cas No. | : 1439900-56-7 |
| Stock | : Enquire |
![2-Ethylbutyl ((R)-(((3aR,4R,6R,6aR)-6-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-cyano-2,2-dimethy](https://clearsynth.com/structure/2-Ethylbutyl---R-----3aR-4R-6R-6aR--6--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--6-cyano-2-2-dimethy.png "Remdesivir Impurities")
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2-Ethylbutyl ((R)-(((3aR,4R,6R,6aR)-6-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-cyano-2,2-dimethy
| CAT No. | : CS-O-35930 |
| Mol F. | : C30H39N6O8P |
| Mol W. | : 642.64 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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2-Ethylbutyl ((R)-(perfluorophenoxy)(phenoxy)phosphoryl)-L-alaninate
| CAT No. | : CS-O-35917 |
| Mol F. | : C21H23F5NO5P |
| Mol W. | : 495.4 g/mol |
| Cas No. | : 1911578-99-8 |
| Stock | : Enquire |
![2-Ethylbutyl ((S)-(((2R,3R,4R,5S)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy](https://clearsynth.com/structure/2-Ethylbutyl---S-----2R-3R-4R-5S--5--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--5-cyano-3-4-dihydroxy.png "Remdesivir Impurities")
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2-Ethylbutyl ((S)-(((2R,3R,4R,5S)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy
| CAT No. | : CS-O-35931 |
| Mol F. | : C27H35N6O8P |
| Mol W. | : 602.58 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
![2-Ethylbutyl ((S)-(((3aR,4R,6R,6aR)-6-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-cyano-2,2-dimethy](https://clearsynth.com/structure/2-Ethylbutyl---S-----3aR-4R-6R-6aR--6--4-aminopyrrolo-2-1-f--1-2-4-triazin-7-yl--6-cyano-2-2-dimethy.png "Remdesivir Impurities")
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2-Ethylbutyl ((S)-(((3aR,4R,6R,6aR)-6-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-cyano-2,2-dimethy
| CAT No. | : CS-O-35922 |
| Mol F. | : C30H39N6O8P |
| Mol W. | : 642.65 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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2-Ethylbutyl ((S)-(perfluorophenoxy)(phenoxy)phosphoryl)-D-alaninate
| CAT No. | : CS-O-35918 |
| Mol F. | : C21H23F5NO5P |
| Mol W. | : 495.4 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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2-Ethylbutyl ((S)-(perfluorophenoxy)(phenoxy)phosphoryl)-L-alaninate
| CAT No. | : CS-O-35916 |
| Mol F. | : C21H23F5NO5P |
| Mol W. | : 495.38 g/mol |
| Cas No. | : 1911578-98-7 |
| Stock | : Enquire |
![D-Alanine, N-[(S)-(4-nitrophenoxy)phenoxyphosphinyl]-, 2-ethylbutyl ester (IMP 6)](https://clearsynth.com/structure/D-Alanine--N---S---4-nitrophenoxy-phenoxyphosphinyl----2-ethylbutyl-ester--IMP-6-.png "Remdesivir Impurities")
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D-Alanine, N-[(S)-(4-nitrophenoxy)phenoxyphosphinyl]-, 2-ethylbutyl ester (IMP 6)
| CAT No. | : CS-P-08456 |
| Mol F. | : C21H27N2O7P |
| Mol W. | : 450.43 g/mol |
| Cas No. | : 2096985-18-9 |
| Stock | : Enquire |
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GS-773095
| CAT No. | : CS-O-36124 |
| Mol F. | : C27H37N6O9P |
| Mol W. | : 620.59 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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L-Alanine, N-(chlorophenoxyphosphinyl)-, 2-ethylbutyl ester (IMP 7)
| CAT No. | : CS-P-08460 |
| Mol F. | : C15H23ClNO4P |
| Mol W. | : 347.78 g/mol |
| Cas No. | : 1355049-92-1 |
| Stock | : Enquire |
![L-Alanine, N-[(R)-(4-nitrophenoxy)phenoxyphosphinyl]-, 2-ethylbutyl ester (IMP 5)](https://clearsynth.com/structure/L-Alanine--N---R---4-nitrophenoxy-phenoxyphosphinyl----2-ethylbutyl-ester--IMP-5-.png "Remdesivir Impurities")
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L-Alanine, N-[(R)-(4-nitrophenoxy)phenoxyphosphinyl]-, 2-ethylbutyl ester (IMP 5)
| CAT No. | : CS-P-08455 |
| Mol F. | : C21H27N2O7P |
| Mol W. | : 450.43 g/mol |
| Cas No. | : 1354823-37-2 |
| Stock | : Enquire |
![L-Alanine, N-[(S)-(4-nitrophenoxy)phenoxyphosphinyl]-, 2-ethylbutyl ester (IMP 4)](https://clearsynth.com/structure/L-Alanine--N---S---4-nitrophenoxy-phenoxyphosphinyl----2-ethylbutyl-ester--IMP-4-.png "Remdesivir Impurities")
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L-Alanine, N-[(S)-(4-nitrophenoxy)phenoxyphosphinyl]-, 2-ethylbutyl ester (IMP 4)
| CAT No. | : CS-P-08454 |
| Mol F. | : C21H27N2O7P |
| Mol W. | : 450.43 g/mol |
| Cas No. | : 1354823-36-1 |
| Stock | : IN-Stock |
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NSJ-Remdesivir-RS004
| CAT No. | : CS-RS-00131 |
| Mol F. | : C32H32N4O5 |
| Mol W. | : 552.63 g/mol |
| Cas No. | : 1911578-73-8 |
| Stock | : Enquire |
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NSJ-Remdesivir-RS005
| CAT No. | : CS-RS-00133 |
| Mol F. | : C33H31N5O4 |
| Mol W. | : 561.64 g/mol |
| Cas No. | : 1355357-49-1 |
| Stock | : Enquire |
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NSJ-Remdesivir-RS009
| CAT No. | : CS-RS-00132 |
| Mol F. | : C15H17N5O4 |
| Mol W. | : 331.33 g/mol |
| Cas No. | : 1191237-80-5 |
| Stock | : Enquire |
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NSJ-Remdesivir-RS012
| CAT No. | : CS-RS-00134 |
| Mol F. | : C9H20ClNO2 |
| Mol W. | : 209.71 g/mol |
| Cas No. | : 2096981-79-0 |
| Stock | : Enquire |
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Remdesivir Bis Phosphoryl impurity
| CAT No. | : CS-EO-00544 |
| Mol F. | : C42H57N7O12P2 |
| Mol W. | : 913.9 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Desphenyl Acid Impurity
| CAT No. | : CS-O-38416 |
| Mol F. | : C15H19N6O8P |
| Mol W. | : 442.32 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Desphenyl Impurity
| CAT No. | : CS-O-35893 |
| Mol F. | : C21H31N6O8P |
| Mol W. | : 526.48 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Impurity 1
| CAT No. | : CS-P-08449 |
| Mol F. | : C12H13N5O4 |
| Mol W. | : 291.27 g/mol |
| Cas No. | : 1355049-95-4 |
| Stock | : Enquire |
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Remdesivir Impurity 10
| CAT No. | : CS-O-35701 |
| Mol F. | : C30H39N6O8P |
| Mol W. | : 642.65 g/mol |
| Cas No. | : 1884576-18-4 |
| Stock | : IN-Stock |
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Remdesivir Impurity 11
| CAT No. | : CS-O-35702 |
| Mol F. | : C27H35N6O8P |
| Mol W. | : 602.58 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Impurity 12
| CAT No. | : CS-O-35703 |
| Mol F. | : C27H35N6O8P |
| Mol W. | : 602.58 g/mol |
| Cas No. | : 2093124-26-4 |
| Stock | : Enquire |
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Remdesivir Impurity 13
| CAT No. | : CS-O-35704 |
| Mol F. | : C27H35N6O8P |
| Mol W. | : 602.58 g/mol |
| Cas No. | : 1911578-75-0 |
| Stock | : IN-Stock |
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Remdesivir Impurity 14
| CAT No. | : CS-O-35705 |
| Mol F. | : C15H24NO5P |
| Mol W. | : 329.33 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Impurity 15
| CAT No. | : CS-O-35706 |
| Mol F. | : C21H23N6O8P |
| Mol W. | : 518.42 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Impurity 16
| CAT No. | : CS-O-35710 |
| Mol F. | : C27H35N6O8P |
| Mol W. | : 602.58 g/mol |
| Cas No. | : Not Available |
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Remdesivir Impurity 17
| CAT No. | : CS-O-35707 |
| Mol F. | : C9H19NO2 |
| Mol W. | : 173.26 g/mol |
| Cas No. | : 946565-74-8 |
| Stock | : IN-Stock |
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Remdesivir Impurity 18
| CAT No. | : CS-O-35708 |
| Mol F. | : C18H18N5O7P |
| Mol W. | : 447.34 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Impurity 3
| CAT No. | : CS-O-35698 |
| Mol F. | : C21H27N2O7P |
| Mol W. | : 450.43 g/mol |
| Cas No. | : 2093124-22-0 |
| Stock | : IN-Stock |
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Remdesivir Impurity 41
| CAT No. | : CS-EO-00861 |
| Mol F. | : C20H18O3S |
| Mol W. | : 338.4 g/mol |
| Cas No. | : 5435-24-5 |
| Stock | : Enquire |
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Remdesivir Impurity 43
| CAT No. | : CS-EO-01113 |
| Mol F. | : C25H31N6O8P |
| Mol W. | : 574.5 g/mol |
| Cas No. | : 2601424-37-5 |
| Stock | : Enquire |
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Remdesivir Impurity 8
| CAT No. | : CS-O-35699 |
| Mol F. | : C15H24NO5P |
| Mol W. | : 329.33 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Impurity 9
| CAT No. | : CS-O-35700 |
| Mol F. | : C9H19NO2 |
| Mol W. | : 173.26 g/mol |
| Cas No. | : 1689993-65-4 |
| Stock | : IN-Stock |
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Remdesivir Impurity C
| CAT No. | : CS-EO-01097 |
| Mol F. | : C25H31N6O8P |
| Mol W. | : 574.5 g/mol |
| Cas No. | : 2563618-05-1 |
| Stock | : Enquire |
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Remdesivir N-oxide
| CAT No. | : CS-O-35716 |
| Mol F. | : C21H23N6O9P |
| Mol W. | : 534.42 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir Nucleoside Monophosphate Ammonium salt
| CAT No. | : CS-O-35967 |
| Mol F. | : C₁₂H₂₀N₇O₇P |
| Mol W. | : 405.30 g/mol |
| Cas No. | : 1911578-74-9 (free base) |
| Stock | : IN-Stock |
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Remdesivir Phosphate Impurity
| CAT No. | : CS-O-38418 |
| Mol F. | : C12H14N5O7P |
| Mol W. | : 371.24 g/mol |
| Cas No. | : 1911578-74-9 |
| Stock | : Enquire |
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Remdesivir R-P isomer and S-isomer at CN
| CAT No. | : CS-O-35894 |
| Mol F. | : C27H35N6O8P |
| Mol W. | : 602.6 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Remdesivir R-P-D Alanine Isomer
| CAT No. | : CS-O-38419 |
| Mol F. | : C27H35N6O8P |
| Mol W. | : 602.58 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |