Buspirone Hydrochloride-impurities | Pharmaffiliates

buspirone hydrochloride and its Impurities

Buspirone Hydrochloride is used for the short-term treatment of anxiety disorders or symptoms of anxiety. It is a novel anxiolytic agent with a unique structure and a pharmacological profile.. Reference standards of Buspirone Hydrochloride API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 27 results for buspirone hydrochloride Impurities
PA 02 61000

Buspirone Hydrochloride - API

Buspirone Hydrochloride


  • Catalogue No.:PA 02 61000

  • CAS :

    33386-08-2

  • Molecular Formula : C21H32ClN5O2

  • Molecular Weight : 421.96

PA 02 61010

Buspirone Hydrochloride - Impurity A

Di2-(Piperazin-1-yl)pyrimidine


  • Catalogue No.:PA 02 61010

  • CAS :

    20980-22-7

  • Molecular Formula : C8H12N4

  • Molecular Weight :  164.21

PA 02 61020

Buspirone Hydrochloride - Impurity B

8-(Pyrimidin-2-yl)-8-aza-5-azoniaspiro[4.5]decane Bromide


  • Catalogue No.:PA 02 61020

  • CAS :

    81461-73-6

  • Molecular Formula : C12H19BrN4

  • Molecular Weight : 299.21

PA 02 61030

Buspirone Hydrochloride - Impurity C

Buspirone Bispyrimidinylpiperazinyl Butane Impurity


  • Catalogue No.:PA 02 61030

  • CAS :

    257877-45-5

  • Molecular Formula : C20H30N8

  • Molecular Weight : 382.51

PA 02 61040

Buspirone Hydrochloride - Impurity D

2,2'-[Oxybis[butane-1,4-diyl(piperazine-1,4-diyl)]]dipyrimidine Hydrochloride


  • Catalogue No.:PA 02 61040

  • CAS :

    NA

  • Molecular Formula : C24H39ClN8O

  • Molecular Weight : 491.07

PA 02 61050

Buspirone Hydrochloride - Impurity E

Buspirone Open Ring Impurity


  • Catalogue No.:PA 02 61050

  • CAS :

    257877-46-6

  • Molecular Formula : C21H33N5O3

  • Molecular Weight : 403.52

PA 02 61060

Buspirone Hydrochloride - Impurity F

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


  • Catalogue No.:PA 02 61060

  • CAS :

    NA

  • Molecular Formula : C33H51N9O3

  • Molecular Weight : 621.82

PA 02 61070

Buspirone Hydrochloride - Impurity G

2,2'-(1,4-Piperazinediyl)bis-pyrimidine


  • Catalogue No.:PA 02 61070

  • CAS :

    84746-24-7

  • Molecular Formula : C12H14N6

  • Molecular Weight : 242.28

PA 02 61100

Buspirone Hydrochloride - Impurity J

Buspirone Open Ring Spirodimer Impurity


  • Catalogue No.:PA 02 61100

  • CAS :

    NA

  • Molecular Formula : C34H52N6O5

  • Molecular Weight : 624.81

PA 02 61110

Buspirone Hydrochloride - Impurity K

8-Azpiro[4,5]decane-7,9-dione


  • Catalogue No.:PA 02 61110

  • CAS :

    1075-89-4

  • Molecular Formula : C9H13NO2

  • Molecular Weight : 167.21

PA 02 61120

Buspirone Hydrochloride - Impurity L

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


  • Catalogue No.:PA 02 61120

  • CAS :

    21098-11-3

  • Molecular Formula : C13H20ClNO2

  • Molecular Weight : 257.76

PA 02 61140

Buspirone Hydrochloride - Impurity N

8,8'-(Butane-1,4-diyl)bis(8-azaspiro[4.5]decane-7,9-dione)


  • Catalogue No.:PA 02 61140

  • CAS :

    257877-44-4

  • Molecular Formula : C22H32N2O4

  • Molecular Weight : 388.50

PA 02 61510

Buspirone N-Oxide

Buspirone N-Oxide


  • Catalogue No.:PA 02 61510

  • CAS :

    220747-81-9

  • Molecular Formula : C21H31N5O3

  • Molecular Weight : 401.5

PA 02 61520

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

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


  • Catalogue No.:PA 02 61520

  • CAS :

    NA

  • Molecular Formula : C21H33N5O2

  • Molecular Weight : 387.52

PA EPY0000131

Buspirone hydrochloride (Y0000131)

Buspirone hydrochloride (Y0000131)


  • Catalogue No.:PA EPY0000131

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000471

Buspirone for system suitability (Y0000471)

Buspirone for system suitability (Y0000471)


  • Catalogue No.:PA EPY0000471

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 02 0611000

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

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


  • Catalogue No.:PA 02 0611000

  • CAS :

    NA

  • Molecular Formula : C12H20N6

  • Molecular Weight : 248.33

PA 02 0611001

5-Hydroxy Buspirone

5-Hydroxy Buspirone


  • Catalogue No.:PA 02 0611001

  • CAS :

    105496-33-1

  • Molecular Formula : C21H31N5O3

  • Molecular Weight : 401.5

PA 02 0611002

6’-Hydroxy Buspirone

6’-Hydroxy Buspirone


  • Catalogue No.:PA 02 0611002

  • CAS :

    125481-61-0

  • Molecular Formula : C21H31N5O3

  • Molecular Weight : 401.5

PA 02 0611003

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

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


  • Catalogue No.:PA 02 0611003

  • CAS :

    NA

  • Molecular Formula : C21H31N5O4

  • Molecular Weight : 417.5

PA 02 0611004

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

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


  • Catalogue No.:PA 02 0611004

  • CAS :

    NA

  • Molecular Formula : C21H31N5O5

  • Molecular Weight : 433.5

PA 02 0610011

Buspirone Hydrochloride - Impurity A (Hydrochloride Salt)

2-(Piperazin-1-yl)pyrimidine Dihydrochloride


  • Catalogue No.:PA 02 0610011

  • CAS :

    94021-22-4

  • Molecular Formula : C8H14Cl2N4

  • Molecular Weight : 237.13

PA 02 0610130

Buspirone Hydrochloride - Impurity M

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


  • Catalogue No.:PA 02 0610130

  • CAS :

    80827-62-9

  • Molecular Formula : C13H20BrNO2

  • Molecular Weight : 302.21

PA 02 0610090

Buspirone Hydrochloride - Impurity I

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


  • Catalogue No.:PA 02 0610090

  • CAS :

    NA

  • Molecular Formula : C21H30ClN5O2

  • Molecular Weight : 419.95

PA 02 0610101

Buspirone Hydrochloride - Impurity J (Oxalate)

4-(7,9-Dioxo-8- azaspiro[4.5]dec-8-yl)butyl [1-[2-Oxo-2-[[4-[4-(pyrimidin-2-yl)piperazin-1-yl]butyl]- amino]ethyl]cyclopentyl]acetate Oxalate


  • Catalogue No.:PA 02 0610101

  • CAS :

    NA

  • Molecular Formula : C36H54N6O9

  • Molecular Weight : 714.86

PA 02 0610080

Buspirone Hydrochloride - Impurity H

Bis(4-(4-(Pyrimidin-2-yl)piperazin-1-yl)butyl) 2,2’-(Cyclopentane-1,1-diyl)diacetate


  • Catalogue No.:PA 02 0610080

  • CAS :

    NA

  • Molecular Formula : C33H50N8O4

  • Molecular Weight : 622.82

PA 02 0610021

Buspirone Hydrochloride - Impurity B (Free Base)

8-(Pyrimidin-2-yl)-8-aza-5-azoniaspiro[4.5]decane


  • Catalogue No.:PA 02 0610021

  • CAS :

    179071-85-3

  • Molecular Formula : C12H19N4+

  • Molecular Weight : 219.31