Buspirone-impurities | Pharmaffiliates

buspirone and its Impurities

An anti-anxiety drug which belongs to anxiolytics class, It is used to treat anxiety. It competes with serotonin and dopamine, which are neurotransmitters involved with causing anxiety symptoms. Addiction causes hallucinations, nausea and vomiting. Buspirone functions as a serotonin 5-HT1A receptor partial agonist Reference standards of Buspirone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 30 results for buspirone Impurities
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 STI 088243

Buspirone-d8 Dihydrochloride

Buspirone-d8 Dihydrochloride


  • Catalogue No.:PA STI 088243

  • CAS :

    NA

  • Molecular Formula : C21H25D8Cl2N5O2

  • Molecular Weight : 466.47

PA STI 088244

8,8'-(1,4-Butanediyl)bis-8-azaspiro[4.5]decane-7,9-dione-d8

8,8'-(1,4-Butanediyl)bis-8-azaspiro[4.5]decane-7,9-dione-d8


  • Catalogue No.:PA STI 088244

  • CAS :

    2733271-36-6

  • Molecular Formula : C22H24D8N2O4

  • Molecular Weight : 396.55

PA STI 088245

8-(4-Chlorobutyl)-8-azaspiro[4.5]decane-7,9-dione-d8

8-(4-Chlorobutyl)-8-azaspiro[4.5]decane-7,9-dione-d8


  • Catalogue No.:PA STI 088245

  • CAS :

    2733911-20-9

  • Molecular Formula : C13H12D8ClNO2

  • Molecular Weight : 265.81

PA STI 088246

6,10-Dihydroxy Buspirone-d8

6,10-Dihydroxy Buspirone-d8


  • Catalogue No.:PA STI 088246

  • CAS :

    1346599-17-4

  • Molecular Formula : C21H23D8N5O4

  • Molecular Weight : 425.55

PA STI 088247

5-Hydroxy Buspirone-d8

5-Hydroxy Buspirone-d8


  • Catalogue No.:PA STI 088247

  • CAS :

    1330164-16-3

  • Molecular Formula : C21H23D8N5O3

  • Molecular Weight : 409.55

PA STI 088248

6-Hydroxy Buspirone-d8

6-Hydroxy Buspirone-d8


  • Catalogue No.:PA STI 088248

  • CAS :

    1189644-16-3

  • Molecular Formula : C21H23D8N5O3

  • Molecular Weight : 409.55

PA STI 088249

2,2'-(1,4-Piperazinediyl)bis-pyrimidine-d8

2,2'-(1,4-Piperazinediyl)bis-pyrimidine-d8


  • Catalogue No.:PA STI 088249

  • CAS :

    NA

  • Molecular Formula : C12H6D8N6

  • Molecular Weight : 250.33

PA USP1078824

Buspirone Related Compound L (8-(4-Chlorobutyl)-8-azaspiro[4.5]decane-7,9-dione) (1078824)

Buspirone Related Compound L (8-(4-Chlorobutyl)-8-azaspiro[4.5]decane-7,9-dione) (1078824)


  • Catalogue No.:PA USP1078824

  • CAS :

    21098-11-3

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1078835

Buspirone Related Compound N (8,8'-(Butane-1,4-diyl)bis(8-azaspiro[4.5]decane-7,9-dione) (1078835)

Buspirone Related Compound N (8,8'-(Butane-1,4-diyl)bis(8-azaspiro[4.5]decane-7,9-dione) (1078835)


  • Catalogue No.:PA USP1078835

  • CAS :

    257877-44-4

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1078802

Buspirone Hydrochloride (1078802)

Buspirone Hydrochloride (1078802)


  • Catalogue No.:PA USP1078802

  • CAS :

    33386-08-2

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1078813

Buspirone Related Compound G (1,4-Di(pyrimidin-2-yl)piperazine) (1078813)

Buspirone Related Compound G (1,4-Di(pyrimidin-2-yl)piperazine) (1078813)


  • Catalogue No.:PA USP1078813

  • CAS :

    84746-24-7

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1078642

Buspirone Related Compound K (8-azaspiro[4.5]decane-7,9-dione) (1078642)

Buspirone Related Compound K (8-azaspiro[4.5]decane-7,9-dione) (1078642)


  • Catalogue No.:PA USP1078642

  • CAS :

    1075-89-4

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1078573

Buspirone Related Compound A (75 mg x 2) (2-(Piperazin-1-yl)pyrimidine) (1078573)

Buspirone Related Compound A (75 mg x 2) (2-(Piperazin-1-yl)pyrimidine) (1078573)


  • Catalogue No.:PA USP1078573

  • CAS :

    20980-22-7

  • Molecular Formula : NA

  • Molecular Weight : NA

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 IPIPRS 160 12

Buspirone Hydrochloride (IPRS/160/12)-from IPC


  • Catalogue No.:PA IPIPRS 160 12

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA STI 088310

Buspirone-d8 HCl (n-butyl-d8)

Buspirone-d8 HCl (n-butyl-d8)


  • Catalogue No.:PA STI 088310

  • CAS :

    1216761-39-5

  • Molecular Formula : C21H24D8ClN5O2

  • Molecular Weight : 430.02

PA 02 0611000

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

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


  • Catalogue No.:PA 02 0611000

  • CAS :

    2514676-76-5

  • 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 :

    125481-59-6

  • 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 1980000

Buspirone - API Standards

Buspirone


  • Catalogue No.:PA 02 1980000

  • CAS :

    36505-84-7

  • Molecular Formula : C21H31N5O2

  • Molecular Weight : 385.51

PA 02 1981000

2-(4-Nitrosopiperazin-1-yl)pyrimidine

2-(4-Nitrosopiperazin-1-yl)pyrimidine


  • Catalogue No.:PA 02 1981000

  • CAS :

    872826-80-7

  • Molecular Formula : C8H11N5O

  • Molecular Weight : 193.21

PA 02 1981001

3,3-Tetramethyleneglutaric Anhydride

3,3-Tetramethyleneglutaric Anhydride


  • Catalogue No.:PA 02 1981001

  • CAS :

    5662-95-3

  • Molecular Formula : C9H12O3

  • Molecular Weight : 168.19

PA 02 1981002

2-[1-(Carbamoylmethyl)cyclopentyl]acetic Acid

2-[1-(Carbamoylmethyl)cyclopentyl]acetic Acid


  • Catalogue No.:PA 02 1981002

  • CAS :

    60143-00-2

  • Molecular Formula : C9H15NO3

  • Molecular Weight : 185.22

PA 02 1981003

7,9-Dioxo-8-azaspiro[4.5]decane-6,10-dicarbonitrile

7,9-Dioxo-8-azaspiro[4.5]decane-6,10-dicarbonitrile


  • Catalogue No.:PA 02 1981003

  • CAS :

    42940-56-7

  • Molecular Formula : C11H11N3O2

  • Molecular Weight : 217.23

PA 02 1981004

4-Chloro-1-butene

4-Chloro-1-butene


  • Catalogue No.:PA 02 1981004

  • CAS :

    927-73-1

  • Molecular Formula : C4H7Cl

  • Molecular Weight : 90.55