C22H23N7O
401.5 g/mol
APIWarning
Risdiplam
CAS1825352-65-5EC841-610-4
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Risdiplam is a chemical compound used as an active pharmaceutical ingredient in the manufacturing of oral medications for spinal muscular atrophy. It was the first oral medication approved by the US FDA for this condition.
pharmaceutical raw material for spinal muscular atrophy treatmentsactive pharmaceutical ingredient in oral dosage forms
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Referencesame scaffold
Risdiplam metabolite M1
CAS2250441-24-6
pharmaceutical raw material
Referencesame scaffold
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
CAS2133298-74-3
research compound
Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for Risdiplam (CAS 1825352-65-5) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
2933 59 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
7-(4,7-diazaspiro[2.5]octan-7-yl)-2-(2,8-dimethylimidazo[1,2-b]pyridazin-6-yl)pyrido[1,2-a]pyrimidin-4-one
InChIKey
ASKZRYGFUPSJPN-UHFFFAOYSA-N
SMILES
CC1=CC(=NN2C1=NC(=C2)C)C3=CC(=O)N4C=C(C=CC4=N3)N5CCNC6(C5)CC6
Synonyms (14)
- Risdiplam (JAN/USAN/INN)
- Evrysdi
- Evrysdi (TN)
- RG7916; Evrysdi; RO7034067
- RG7916;RO7034067
- Risdiplam
- Risdiplam (Standard)
- Risdiplam; RG7916
- Risdiplamum
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