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    Buspirone Impurity K

    Buspirone Impurity K

    Synonym

    8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C9H13NO2

    Molecular Weight

    167.21

    Catalogue Number

    AR-B02287

    Parent Drug

    IRON

    Common Package:10,25,50,100 mg

    Collections: IRON

    Category: AR-B02287 C9H13NO2 IRON

    RELATED PRODUCTS
    Iron Polymaltose

    Synonym

    iron(3+);(2R,3S,4R,5R)-2,3,4,5-tetrahydroxy-6-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexanal;trihydroxide

    Molecular Formula

    C12H22O11. FeH3O3

    Molecular Weight

    342.30 106.87

    Catalogue Number

    AR-I01781

    Parent Drug

    IRON

    CAS Number

    53858-86-9
    (2'S,8R,9S,10R,13S,14S)-3-ethoxy-10,13-dimethyl-1,2,3,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,2'-oxirane]

    Synonym

    (2'S,8R,9S,10R,13S,14S)-3-ethoxy-10,13-dimethyl-1,2,3,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,2'-oxirane]

    Molecular Formula

    C22H32O2

    Molecular Weight

    328.50

    Catalogue Number

    AR-I01780

    Parent Drug

    IRON
    (2'S,8R,9S,10R,13S,14S)-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,2'-oxiran]-3(2H)-one

    Synonym

    (2'S,8R,9S,10R,13S,14S)-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,2'-oxiran]-3(2H)-one

    Molecular Formula

    C20H28O2

    Molecular Weight

    300.44

    Catalogue Number

    AR-I01779

    Parent Drug

    IRON
    4-(4-(6-hydroxy-7,9-dioxo-8-azaspiro[4.5]decan-8-yl)butyl)-1-(5-hydroxypyrimidin-2-yl)piperazine 1-oxide

    Synonym

    4-(4-(6-hydroxy-7,9-dioxo-8-azaspiro[4.5]decan-8-yl)butyl)-1-(5-hydroxypyrimidin-2-yl)piperazine 1-oxide

    Molecular Formula

    C21H31N5O5

    Molecular Weight

    433.51

    Catalogue Number

    AR-B02306

    Parent Drug

    IRON
    6-hydroxy-8-(4-(4-(5-hydroxypyrimidin-2-yl)piperazin-1-yl)butyl)-8-azaspiro[4.5]decane-7,9-dione

    Synonym

    6-hydroxy-8-(4-(4-(5-hydroxypyrimidin-2-yl)piperazin-1-yl)butyl)-8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C21H31N5O4

    Molecular Weight

    417.51

    Catalogue Number

    AR-B02305

    Parent Drug

    IRON
    1,1'-(pyrimidine-2,5-diyl)dipiperazine

    Synonym

    1,1'-(pyrimidine-2,5-diyl)dipiperazine

    Molecular Formula

    C12H20N6

    Molecular Weight

    248.33

    Catalogue Number

    AR-B02304

    Parent Drug

    IRON
    3-oxo-N-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)-2-oxaspiro[4.4]nonane-1-carboxamide

    Synonym

    3-oxo-N-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)-2-oxaspiro[4.4]nonane-1-carboxamide

    Molecular Formula

    C21H31N5O3

    Molecular Weight

    401.51

    Catalogue Number

    AR-B02303

    Parent Drug

    IRON

    CAS Number

    125498-83-1
    Buspirone Related Compound G

    Synonym

    1,4-di(pyrimidin-2-yl)piperazine

    Molecular Formula

    C12H14N6

    Molecular Weight

    242.29

    Catalogue Number

    AR-B02302

    Parent Drug

    IRON

    CAS Number

    84746-24-7
    7-alpha-Thio Spironolactone

    Synonym

    (2'R,7R,8R,9S,10R,13S,14S)-7-mercapto-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H,4'H)-dione

    Molecular Formula

    C22H30O3S

    Molecular Weight

    374.54

    Catalogue Number

    AR-I01773

    Parent Drug

    IRON

    CAS Number

    38753-76-3
    (3aR,4R,7S,7aS)-2-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione

    Synonym

    (3aR,4R,7S,7aS)-2-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione

    Molecular Formula

    C21H27N5O2

    Molecular Weight

    381.48

    Catalogue Number

    AR-I01771

    Parent Drug

    IRON
    Tandospirone-d8

    Synonym

    (3aR,4S,7R,7aS)-2-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione-D8

    Molecular Formula

    C21H21D8N5O2

    Molecular Weight

    391.54

    Catalogue Number

    AR-I01770

    Parent Drug

    IRON

    CAS Number

    1794835-73-6
    Buspirone EP Impurity A-d8

    Synonym

    2,2,3,3,5,5,6,6-octadeuterio-1-pyrimidin-2-ylpiperazine

    Molecular Formula

    C8H4D8N4

    Molecular Weight

    172.26

    Catalogue Number

    AR-B02300

    Parent Drug

    IRON

    CAS Number

    1309283-31-5
    Buspirone EP Impurity M

    Synonym

    8-(4-bromobutyl)-8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C13H20BrNO2

    Molecular Weight

    302.21

    Catalogue Number

    AR-B02299

    Parent Drug

    IRON

    CAS Number

    80827-62-9
    Buspirone EP Impurity I

    Synonym

    8-(4-(4-(5-chloropyrimidin-2-yl)piperazin-1-yl)butyl)-8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C21H30ClN5O2

    Molecular Weight

    419.95

    Catalogue Number

    AR-B02298

    Parent Drug

    IRON
    Buspirone EP Impurity H

    Synonym

    bis(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl) 2,2'-(cyclopentane-1,1-diyl)diacetate

    Molecular Formula

    C33H50N8O4

    Molecular Weight

    622.82

    Catalogue Number

    AR-B02297

    Parent Drug

    IRON
    Buspirone EP Impurity F

    Synonym

    4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl 2-(1-(2-oxo-2-((4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)amino)ethyl)cyclopentyl)acetate

    Molecular Formula

    C33H51N9O3

    Molecular Weight

    621.83

    Catalogue Number

    AR-B02296

    Parent Drug

    IRON
    Buspirone EP Impurity B

    Synonym

    8-(pyrimidin-2-yl)-5,8-diazaspiro[4.5]decan-5-ium chloride

    Molecular Formula

    C12H19N4. Cl

    Molecular Weight

    219.31 35.45

    Catalogue Number

    AR-B02295

    Parent Drug

    IRON

    CAS Number

    81461-72-5
    Tandospirone Endo Isomer

    Synonym

    (3aR,4R,7S,7aS)-2-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione

    Molecular Formula

    C21H29N5O2

    Molecular Weight

    383.50

    Catalogue Number

    AR-I01763

    Parent Drug

    IRON
    Tandospirone

    Synonym

    (3aR,4S,7R,7aS)-2-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione

    Molecular Formula

    C21H29N5O2

    Molecular Weight

    383.50

    Catalogue Number

    AR-I01762

    Parent Drug

    IRON

    CAS Number

    87760-53-0
    Buspirone EP Impurity N

    Synonym

    8-[4-(7,9-dioxo-8-azaspiro[4.5]decan-8-yl)butyl]-8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C22H32N2O4

    Molecular Weight

    388.51

    Catalogue Number

    AR-B02294

    Parent Drug

    IRON

    CAS Number

    257877-44-4
    Buspirone EP Impurity L

    Synonym

    8-(4-chlorobutyl)-8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C13H20ClNO2

    Molecular Weight

    257.76

    Catalogue Number

    AR-B02293

    Parent Drug

    IRON

    CAS Number

    21098-11-3
    Buspirone EP Impurity C

    Synonym

    1,4-bis(4-(pyrimidin-2-yl)piperazin-1-yl)butane

    Molecular Formula

    C20H30N8

    Molecular Weight

    382.52

    Catalogue Number

    AR-B02292

    Parent Drug

    IRON

    CAS Number

    257877-45-5
    (2'R,8R,9S,10R,13S,14S)-10,13-dimethyl-1,7,8,9,10,11,12,13,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5',6(2H,4'H,14H)-trione

    Synonym

    (2'R,8R,9S,10R,13S,14S)-10,13-dimethyl-1,7,8,9,10,11,12,13,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5',6(2H,4'H,14H)-trione

    Molecular Formula

    C22H28O4

    Molecular Weight

    356.47

    Catalogue Number

    AR-I01758

    Parent Drug

    IRON
    3-((8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3-oxo-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)propanoic acid

    Synonym

    3-((8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3-oxo-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)propanoic acid

    Molecular Formula

    C22H30O4

    Molecular Weight

    358.48

    Catalogue Number

    AR-I01757

    Parent Drug

    IRON
    (2'R,7S,8R,9S,10R,13S,14S)-10,13-dimethyl-7-((R)-methylsulfinyl)-7,8,9,10,11,12,13,14,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(4'H,6H)-dione

    Synonym

    (2'R,7S,8R,9S,10R,13S,14S)-10,13-dimethyl-7-((R)-methylsulfinyl)-7,8,9,10,11,12,13,14,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(4'H,6H)-dione

    Molecular Formula

    C23H30O4S

    Molecular Weight

    402.56

    Catalogue Number

    AR-I01756

    Parent Drug

    IRON
    Buspirone EP Impurity D DiHCl

    Synonym

    2,2'-(4,4'-(oxybis(butane-4,1-diyl))bis(piperazine-4,1-diyl))dipyrimidine dihydrochloride

    Molecular Formula

    C24H38N8O. 2 HCl

    Molecular Weight

    454.62 2 36.46

    Catalogue Number

    AR-B02291

    Parent Drug

    IRON
    Buspirone EP Impurity J HCl

    Synonym

    4-(7,9-dioxo-8-azaspiro[4.5]decan-8-yl)butyl 2-(1-(2-oxo-2-((4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)amino)ethyl)cyclopentyl)acetate hydrochloride

    Molecular Formula

    C34H52N6O5. HCl

    Molecular Weight

    624.83 36.46

    Catalogue Number

    AR-B02290

    Parent Drug

    IRON
    7-alpha-Thiomethyl Spironolactone-13C-d3

    Synonym

    (2'R,7R,8R,9S,10R,13S,14S)-10,13-dimethyl-7-(methylthio)-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H,4'H)-dione-13CD3

    Molecular Formula

    C23H29O3SD3

    Molecular Weight

    392.58

    Catalogue Number

    AR-I01753

    Parent Drug

    IRON
    Spironolactone EP Impurity F-d4 (Canrenone-d4)

    Synonym

    (2'R,8R,9S,10R,13S,14S)-10,13-dimethyl-1,8,9,10,11,12,13,14,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H,4'H)-dione-D4

    Molecular Formula

    C22H24O3D4

    Molecular Weight

    344.49

    Catalogue Number

    AR-I01752

    Parent Drug

    IRON

    CAS Number

    976-71-6 (non-labelled)
    6-Hydroxy Buspirone-d8

    Synonym

    6-hydroxy-8-[1,1,2,2,3,3,4,4-octadeuterio-4-(4-pyrimidin-2-ylpiperazin-1-yl)butyl]-8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C21H23N5O3D8

    Molecular Weight

    409.56

    Catalogue Number

    AR-B02289

    Parent Drug

    IRON

    CAS Number

    N/A
    Spironolactone EP Impurity G

    Synonym

    S-((2'R,6S,7S,8R,9S,10R,13S,14S)-6-hydroxy-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl) ethanethioate

    Molecular Formula

    C24H32O5S

    Molecular Weight

    432.58

    Catalogue Number

    AR-I01749

    Parent Drug

    IRON

    CAS Number

    880106-10-5
    Spironolactone EP Impurity F-d6 (Canrenone-d6)

    Synonym

    (2'R,8R,9S,10R,13S,14S)-10,13-dimethyl-1,8,9,10,11,12,13,14,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H,4'H)-dione-D6

    Molecular Formula

    C22H22O3D6

    Molecular Weight

    346.50

    Catalogue Number

    AR-I01747

    Parent Drug

    IRON

    CAS Number

    976-71-6 (non-labelled)
    Spironolactone EP Impurity F (Canrenone)

    Synonym

    (2'R,8R,9S,10R,13S,14S)-10,13-dimethyl-1,8,9,10,11,12,13,14,15,16-decahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H,4'H)-dione

    Molecular Formula

    C22H28O3

    Molecular Weight

    340.46

    Catalogue Number

    AR-I01746

    Parent Drug

    IRON

    CAS Number

    976-71-6
    Spironolactone EP Impurity I

    Synonym

    S-((7R,8R,9S,10R,13S,14S,17S)-17-(ethoxymethyl)-17-hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-7-yl) ethanethioate

    Molecular Formula

    C24H36O4S

    Molecular Weight

    420.61

    Catalogue Number

    AR-I01745

    Parent Drug

    IRON
    Spironolactone EP Impurity D (Disulfanyl Spironolactone)

    Synonym

    SS-((2'R,7R,8R,9S,10R,13S,14S)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl) ethane(dithioperoxoate)

    Molecular Formula

    C24H32O4S2

    Molecular Weight

    448.64

    Catalogue Number

    AR-I01744

    Parent Drug

    IRON
    Spironolactone EP Impurity C

    Synonym

    (2'R,8R,9S,10R,13S,14S)-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H,4'H)-dione

    Molecular Formula

    C22H30O3

    Molecular Weight

    342.48

    Catalogue Number

    AR-I01743

    Parent Drug

    IRON

    CAS Number

    976-70-5
    Spironolactone EP Impurity A

    Synonym

    S-((2'R,7R,8R,9S,10R,13S,14S)-10,13-dimethyl-3,5'-dioxo-1,2,3,6,7,8,9,10,11,12,13,14,15,16-tetradecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl) ethanethioate

    Molecular Formula

    C24H30O4S

    Molecular Weight

    414.56

    Catalogue Number

    AR-I01742

    Parent Drug

    IRON

    CAS Number

    132458-33-4
    Buspirone HCl

    Synonym

    8-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)-8-azaspiro[4.5]decane-7,9-dione hydrochloride

    Molecular Formula

    C21H31N5O2. HCl

    Molecular Weight

    385.51 36.46

    Catalogue Number

    AR-B02288

    Parent Drug

    IRON

    CAS Number

    33386-08-2
    3-Hydroxy Gepirone

    Synonym

    3-hydroxy-4,4-dimethyl-1-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)piperidine-2,6-dione

    Molecular Formula

    C19H29N5O3

    Molecular Weight

    375.47

    Catalogue Number

    AR-G01261

    Parent Drug

    IRON
    Gepirone-d8

    Synonym

    4,4-dimethyl-1-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)piperidine-2,6-dione-D8

    Molecular Formula

    C19H21N5O2D8

    Molecular Weight

    367.52

    Catalogue Number

    AR-G01260

    Parent Drug

    IRON
    Gepirone

    Synonym

    4,4-dimethyl-1-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)piperidine-2,6-dione

    Molecular Formula

    C19H29N5O2

    Molecular Weight

    359.48

    Catalogue Number

    AR-G01259

    Parent Drug

    IRON
    Spironolactone EP Impurity E (7-Beta Spironolactone)

    Synonym

    S-((2'R,7S,8R,9S,10R,13S,14S)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl) ethanethioate

    Molecular Formula

    C24H32O4S

    Molecular Weight

    416.58

    Catalogue Number

    AR-I01737

    Parent Drug

    IRON

    CAS Number

    33784-05-3
    Spironolactone acid

    Synonym

    3-((7R,8R,9S,10R,13S,14S,17R)-7-(acetylthio)-17-hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)propanoic acid

    Molecular Formula

    C24H34O5S

    Molecular Weight

    434.60

    Catalogue Number

    AR-I01736

    Parent Drug

    IRON
    Spironolactone

    Synonym

    S-((2'R,7R,8R,9S,10R,13S,14S)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl) ethanethioate

    Molecular Formula

    C24H32O4S

    Molecular Weight

    416.58

    Catalogue Number

    AR-I01735

    Parent Drug

    IRON

    CAS Number

    52-01-7
    Buspirone N-Oxide

    Synonym

    1-(4-(7,9-dioxo-8-azaspiro[4.5]decan-8-yl)butyl)-4-(pyrimidin-2-yl)piperazine 1-oxide

    Molecular Formula

    C21H31N5O3

    Molecular Weight

    401.51

    Catalogue Number

    AR-B02286

    Parent Drug

    IRON

    CAS Number

    220747-81-9
    Ammonium Iron (III) Citrate

    Synonym

    2-hydroxypropane-1,2,3-tricarboxylicacid,ammoniaironsalt

    Molecular Formula

    C6H8O7.X Fe.Y H3N

    Molecular Weight

    192.13 X 55.85 Y 17.03

    Catalogue Number

    AR-I01732

    Parent Drug

    IRON
    5-Hydroxy Buspirone

    Synonym

    8-(4-(4-(5-hydroxypyrimidin-2-yl)piperazin-1-yl)butyl)-8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C21H31N5O3

    Molecular Weight

    401.51

    Catalogue Number

    AR-B02285

    Parent Drug

    IRON

    CAS Number

    105496-33-1
    Buspirone EP Impurity A

    Synonym

    2-(piperazin-1-yl)pyrimidine

    Molecular Formula

    C8H12N4

    Molecular Weight

    164.21

    Catalogue Number

    AR-B02284

    Parent Drug

    IRON

    CAS Number

    20980-22-7
    Buspirone-d8

    Synonym

    8-[1,1,2,2,3,3,4,4-octadeuterio-4-(4-pyrimidin-2-ylpiperazin-1-yl)butyl]-8-azaspiro[4.5]decane-7,9-dione

    Molecular Formula

    C21H23N5O3D8

    Molecular Weight

    393.56

    Catalogue Number

    AR-B02283

    Parent Drug

    IRON

    CAS Number

    204395-49-3