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Home/Compounds/API/Butinoline phosphate
C20H24NO5P
389.4 g/mol
API

1-(4-Hydroxy-4,4-diphenylbut-2-ynyl)pyrrolidinium dihydrogen phosphate

CAS54118-66-0
Category
API
Compound Class
Inorganic Salt
Primary Use
Pharmaceutical Raw Material

This compound is an anticholinergic pharmaceutical active ingredient, consisting of a diphenyl-pyrrolidinyl-butynol moiety as the cation and a dihydrogen phosphate counterion. It is used as a raw material in the manufacture of pharmaceutical products targeting cholinergic pathways.

pharmaceutical raw materialanticholinergic active pharmaceutical ingredient

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

ReferenceSame Category

Flecainide

CAS54143-55-4

pharmaceutical raw material

ReferenceSame Category

Flecainide acetate

CAS54143-56-5

pharmaceutical raw material

ReferenceSame Category

Metoclopramide hydrochloride hydrate

CAS54143-57-6

pharmaceutical raw material

ReferenceSame Category

Apilimod

CAS541550-19-0

pharmaceutical raw material

Customs Tariff Classification

The international HS code for 1-(4-Hydroxy-4,4-diphenylbut-2-ynyl)pyrrolidinium dihydrogen phosphate (CAS 54118-66-0) is 2933.99.

HS code (international, 6-digit)

2933.99

EU CN code (8-digit)

2933 99 80

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

dihydrogen phosphate;1,1-diphenyl-4-pyrrolidin-1-ium-1-ylbut-2-yn-1-ol

InChIKey

KJRDQHIYWCTNTN-UHFFFAOYSA-N

SMILES

C1CC[NH+](C1)CC#CC(C2=CC=CC=C2)(C3=CC=CC=C3)O.OP(=O)(O)[O-]

Synonyms (3)

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