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Merck
CN

Q108

R(−)-Quinuclidinyl benzilate methiodide

crystalline

Synonym(s):

R(−)-QNB methiodide, R(−)-Quinuclidinyl-α-hydroxydiphenylacetate methiodide

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About This Item

Empirical Formula (Hill Notation):
C22H26INO3
Molecular Weight:
479.35
UNSPSC Code:
12352200
PubChem Substance ID:
24899200
MDL number:
MFCD00153867

Key Documents

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InChI

1S/C22H26NO3.HI/c1-23-14-12-17(13-15-23)20(16-23)26-21(24)22(25,18-8-4-2-5-9-18)19-10-6-3-7-11-19;/h2-11,17,20,25H,12-16H2,1H3;1H/q+1;/p-1/t17?,20-,23?;/m0./s1

SMILES string

[I-].C[N+]12CCC(CC1)[C@H](C2)OC(=O)C(O)(c3ccccc3)c4ccccc4

InChI key

YCVUWYMRBRAYRO-TULJGGFASA-M

form

crystalline

color

white

solubility

ethanol: soluble

storage temp.

2-8°C

Biochem/physiol Actions

Nonselective muscarinic acetylcholine receptor antagonist.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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M Waelbroeck et al.
Molecular pharmacology, 40(3), 413-420 (1991-09-01)
We analyzed the competition kinetics of quinuclidinyl benzilate (QNB) and QNB methiodide enantiomers on human NB-OK1 neuroblastoma (M1), rat cardiac (M2), and rat pancreas (M3) muscarinic binding sites. The association rate constants of the four drugs depended on the receptor

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