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 16 results for Risdiplam Impurities
PA 18 1410000

Risdiplam

Risdiplam

  • Catalogue No.:PA 18 1410000

  • CAS :

    1825352-65-5

  • Molecular Formula : C22H23N7O

  • Molecular Weight : 401.47

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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CPHI INDIA- 28, 30 November