A monohydrate salt of Tacrolimus, which is a macrolide lactone, used as an immunosupressant drug. Tacrolimus is a macrolide calcineurin inhibitor used mainly after allogeneic organ transplant to lower the risk of organ rejection. Topical ointment is used to treat severe cases of atopic dermatitis (eczema)Reference standards of Tacrolimus Monohydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Tacrolimus Monohydrate
Catalogue No.:PA 20 01000
CAS :
Molecular Formula : C44H71NO13
Molecular Weight : 822.03
(1R,9S,12S,13R,14S,17S,18E,21S,23S,24R,25S,27R)-1,14-Dihydroxy-12-[(1E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-(prop-2-en-1-yl)-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
Catalogue No.:PA 20 01040
Molecular Formula : C44H69NO12
Molecular Weight : 804.02
(1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-1,14-dihydroxy-12-[(1E)-1-[(1R, 3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27- tetramethyl-17-propyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
Catalogue No.:PA 20 01510
Molecular Formula : C44H71NO12
Molecular Weight : 806.03
Ascomycin
Catalogue No.:PA 20 01540
Molecular Formula : C43H69NO12
Molecular Weight : 792.01
(1E,3S,4R,5S,8R,9E,12S,14S)-5-Hydroxy-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-14-methoxy-14-[(2R,3S,5R)-3-methoxy-5-methyl-6-oxooxan-2-yl]-2,4,10,12-tetramethyl-7-oxo-8-(prop-2-en-1-yl)tetradeca-1,9-dien-3-yl(2S)-1-formylpiperidine-2-carboxylate
Catalogue No.:PA 20 01700
Molecular Formula : C43H69NO11
Molecular Weight : 776.02
(1S,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-17-Ethyl-1,14-dihydroxy-12-[(1E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone,
Catalogue No.:PA 20 0010020
Molecular Weight : 792.02
(3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-5,15-Dihydroxy-3-[(1E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(prop-2-en-1-yl)-3,4,5,6,11,12,13,14,15,16,17,18,24,25,26,26a- hexadecahydro-7H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,19,20,21(8H,23H)-pentone
Catalogue No.:PA 20 0010060
Molecular Weight : 804.03
(1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-1,14-Dihydroxy-12-[(1E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,21,27-trimethyl-17-(prop-2-en-1-yl)-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
Catalogue No.:PA 20 0010030
Molecular Formula : C43H67NO12
Molecular Weight : 790
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