C18H21N3O2S
343.4 g/mol
APIWarning
Rabeprazole thioether
CAS117977-21-6
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Rabeprazole thioether is a chemical compound used as a pharmaceutical impurity reference standard. It is structurally related to the active pharmaceutical ingredient rabeprazole and is employed in quality control and analytical testing to ensure the purity of drug substances.
Pharmaceutical impurity reference standardQuality control reference material
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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Referencesame scaffold
Lansoprazole sulfide
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pharmaceutical intermediate
Referencesame scaffold
2-[(4-Choloro-3-methyl-2-pyridinylmethyl)thio]-1H-benzimidazole
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pharmaceutical raw material
Referencesame scaffold
4-Desmethoxy-4-nitro omeprazole sulfide
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Referencesame scaffold
Ufiprazole
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pharmaceutical raw material
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Rabeprazole thioether (CAS 117977-21-6) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
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
2-[[4-(3-methoxypropoxy)-3-methyl-2-pyridinyl]methylsulfanyl]-1H-benzimidazole
InChIKey
BSXAHDOWMOSVAP-UHFFFAOYSA-N
SMILES
CC1=C(C=CN=C1CSC2=NC3=CC=CC=C3N2)OCCCOC
Synonyms (19)
- Rabeprazole EP Impurity B
- Rabeprazole USP Rc E
- Rabeprazole sodium EP Impurity B
- RABEPRAZOLE SODIUM IMPURITY B
- Rabeprazole Sulfide
- Rabeprazole impurity E
- Rabeprazole thioether
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