C24H31NO8
461.5 g/mol
APIWarning
Orphenadrine citrate
CAS4682-36-4EC225-137-5
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Orphenadrine citrate is a pharmaceutical compound consisting of orphenadrine and citric acid in equimolar amounts. It is primarily supplied as an active pharmaceutical ingredient for use in pharmaceutical manufacturing.
H1-receptor antagonistmuscarinic antagonistparasympatholytic
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
StrongSame Parent
Orphenadrine hydrochloride
CAS341-69-5
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.72
N-nitroso-desmethyl-orphenadrine
CAS3028194-83-1
research compound
ReferenceSame Category
Bms-536924
CAS468740-43-4
pharmaceutical raw material
ReferenceSame Category
Ticarcillin disodium salt
CAS4697-14-7
pharmaceutical raw material
ReferenceSame Category
Enoxolone
CAS471-53-4
pharmaceutical raw material
ReferenceSame Category
17β-ethinylestradiol
CAS4717-38-8
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
H351Suspected of causing cancer
Customs Tariff Classification
The international HS code for Orphenadrine citrate (CAS 4682-36-4) is 2922.19.
HS code (international, 6-digit)
2922.19
EU CN code (8-digit)
2922 19 00
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
N,N-dimethyl-2-[(2-methylphenyl)-phenylmethoxy]ethanamine;2-hydroxypropane-1,2,3-tricarboxylic acid
InChIKey
MMMNTDFSPSQXJP-UHFFFAOYSA-N
SMILES
CC1=CC=CC=C1C(C2=CC=CC=C2)OCCN(C)C.C(C(=O)O)C(CC(=O)O)(C(=O)O)O
Synonyms (38)
- Orphenadrine citrate (USP)
- Banflex
- Citrate, Orphenadrine
- Flexoject
- Flexon
- Flexor
- Norflex
- Norflex (TN)
- Norflex (pharmaceutical)
- ORPHENADRINE CITRATE [MART.]
- Orphenadrine Citrate ER
- Orphenadrine citrate
- Orphenadrine citrate CRS
- Orphenadrine citrate salt
- Plenactol
- Tega-Flex
- X-Otag
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