Risdiplam and its Impurities

Risdiplam is an oral mRNA splicing modifier used in the treatment of spinal muscular atrophy (SMA). Reference standards of Risdiplam API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 20 results for Risdiplam Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 18 1410000

Risdiplam

Risdiplam

  • Catalogue No.:PA 18 1410000

  • CAS :

    1825352-65-5

  • Molecular Formula : C22H23N7O

  • Molecular Weight : 401.47

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411000

tert-Butyl 7-(2-hydroxy-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carboxylate

tert-Butyl 7-(2-hydroxy-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carboxylate

  • Catalogue No.:PA 18 1411000

  • CAS :

    2133298-72-1

  • Molecular Formula : C19H24N4O4

  • Molecular Weight : 372.43

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411001

tert-Butyl 7-(4-oxo-2-(tosyloxy)-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carboxylate

tert-Butyl 7-(4-oxo-2-(tosyloxy)-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carboxylate

  • Catalogue No.:PA 18 1411001

  • CAS :

    2133298-73-2

  • Molecular Formula : C26H30N4O6S

  • Molecular Weight : 526.61

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411002

tert-Butyl 7-(2-(2,8-dimethylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carboxylate

tert-Butyl 7-(2-(2,8-dimethylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carboxylate

  • Catalogue No.:PA 18 1411002

  • CAS :

    2133298-74-3

  • Molecular Formula : C27H31N7O3

  • Molecular Weight : 501.59

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411003

2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-7-fluoro-4H-pyrido[1,2-a]pyrimidin-4-one

2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-7-fluoro-4H-pyrido[1,2-a]pyrimidin-4-one

  • Catalogue No.:PA 18 1411003

  • CAS :

    1825352-87-1

  • Molecular Formula : C16H12FN5O

  • Molecular Weight : 309.3

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411004

2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-7-(4-hydroxy-4,7-diazaspiro[2.5]octan-7-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-7-(4-hydroxy-4,7-diazaspiro[2.5]octan-7-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

  • Catalogue No.:PA 18 1411004

  • CAS :

    2250441-24-6

  • Molecular Formula : C22H23N7O2

  • Molecular Weight : 417.47

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411005

7-(2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carbaldehyde

7-(2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane-4-carbaldehyde

  • Catalogue No.:PA 18 1411005

  • CAS :

    NA

  • Molecular Formula : C23H23N7O2

  • Molecular Weight : 429.48

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411006

2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-7-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-7-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

  • Catalogue No.:PA 18 1411006

  • CAS :

    NA

  • Molecular Formula : C16H13N5O2

  • Molecular Weight : 307.31

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411007

7,7'-Di(4,7-diazaspiro[2.5]octan-7-yl)-4H,4'H-[2,2'-bipyrido[1,2-a]pyrimidine]-4,4'-dione

7,7'-Di(4,7-diazaspiro[2.5]octan-7-yl)-4H,4'H-[2,2'-bipyrido[1,2-a]pyrimidine]-4,4'-dione

  • Catalogue No.:PA 18 1411007

  • CAS :

    NA

  • Molecular Formula : C28H30N8O2

  • Molecular Weight : 510.6

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411008

7-(4,7-Diazaspiro[2.5]octan-7-yl)-2-(2,2',8,8'-tetramethyl-[3,6'-biimidazo[1,2-b]pyridazin]-6-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

7-(4,7-Diazaspiro[2.5]octan-7-yl)-2-(2,2',8,8'-tetramethyl-[3,6'-biimidazo[1,2-b]pyridazin]-6-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

  • Catalogue No.:PA 18 1411008

  • CAS :

    NA

  • Molecular Formula : C30H30N10O

  • Molecular Weight : 546.64

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411009

2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-7-(4-nitroso-4,7-diazaspiro[2.5]octan-7-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-7-(4-nitroso-4,7-diazaspiro[2.5]octan-7-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

  • Catalogue No.:PA 18 1411009

  • CAS :

    NA

  • Molecular Formula : C22H22N8O2

  • Molecular Weight : 430.47

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411010

tert-Butyl 4-nitroso-4,7-diazaspiro[2.5]octane-7-carboxylate

tert-Butyl 4-nitroso-4,7-diazaspiro[2.5]octane-7-carboxylate

  • Catalogue No.:PA 18 1411010

  • CAS :

    NA

  • Molecular Formula : C11H19N3O3

  • Molecular Weight : 241.29

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411011

7-(2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane 7-oxide

7-(2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)-4,7-diazaspiro[2.5]octane 7-oxide

  • Catalogue No.:PA 18 1411011

  • CAS :

    NA

  • Molecular Formula : C22H23N7O2

  • Molecular Weight : 417.47

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411012

3-Hydroxy-N-(2-((2-(8-methylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)amino)ethyl)propanamide

3-Hydroxy-N-(2-((2-(8-methylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)amino)ethyl)propanamide

  • Catalogue No.:PA 18 1411012

  • CAS :

    NA

  • Molecular Formula : C20H21N7O3

  • Molecular Weight : 407.43

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411013

6-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-2-(3-oxo-3-(4,7-diazaspiro[2.5]octan-7-yl)prop-1-en-1-yl)pyrimidin-4(3H)-one

6-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-2-(3-oxo-3-(4,7-diazaspiro[2.5]octan-7-yl)prop-1-en-1-yl)pyrimidin-4(3H)-one

  • Catalogue No.:PA 18 1411013

  • CAS :

    NA

  • Molecular Formula : C21H23N7O2

  • Molecular Weight : 405.46

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411014

2,6,8-Trimethylimidazo[1,2-b]pyridazine

2,6,8-Trimethylimidazo[1,2-b]pyridazine

  • Catalogue No.:PA 18 1411014

  • CAS :

    912332-62-8

  • Molecular Formula : C9H11N3

  • Molecular Weight : 161.21

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411015

N-(2-((2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)amino)ethyl)-3-hydroxypropanamide

N-(2-((2-(2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-7-yl)amino)ethyl)-3-hydroxypropanamide

  • Catalogue No.:PA 18 1411015

  • CAS :

    NA

  • Molecular Formula : C21H23N7O3

  • Molecular Weight : 421.46

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411016

7-(4,7-Diazaspiro[2.5]octan-7-yl)-2-(2,2',8,8'-tetramethyl-[3,6'-biimidazo[1,2-b]pyridazin]-6-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

7-(4,7-Diazaspiro[2.5]octan-7-yl)-2-(2,2',8,8'-tetramethyl-[3,6'-biimidazo[1,2-b]pyridazin]-6-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

  • Catalogue No.:PA 18 1411016

  • CAS :

    NA

  • Molecular Formula : C30H30N10O

  • Molecular Weight : 546.64

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411017

2-(2,8-Dimethyl-3-(4-oxo-6-(4,7-diazaspiro[2.5]octan-7-yl)-4,4a-dihydroquinolin-2-yl)imidazo[1,2-b]pyridazin-6-yl)-7-(4,7-diazaspiro[2.5]octan-7-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

2-(2,8-Dimethyl-3-(4-oxo-6-(4,7-diazaspiro[2.5]octan-7-yl)-4,4a-dihydroquinolin-2-yl)imidazo[1,2-b]pyridazin-6-yl)-7-(4,7-diazaspiro[2.5]octan-7-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

  • Catalogue No.:PA 18 1411017

  • CAS :

    NA

  • Molecular Formula : C37H38N10O2

  • Molecular Weight : 654.78

Enquire
Details
Drug Reference Standards & Impurity Synthesis in India
PA 18 1411018

Risdiplam Ethyl Impurity

Risdiplam Ethyl Impurity

  • Catalogue No.:PA 18 1411018

  • CAS :

    NA

  • Molecular Formula : C22H25N7O

  • Molecular Weight : 403.49

Enquire
Details
Periodic Table- Pharmaffiliates

Calculators
Periodic Table- Pharmaffiliates

Contact us

Ask A Scientist-Pharmaffiliates

Ask a Scientist
General Help

General Help
pharmaffiliates