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Merck

93750

(+)-Tubocurarine chloride pentahydrate

From plant, ≥97.0% (TLC), nicotinic acetylcholine receptor antagonist, powder

Synonym(s):

(+)-Tubocurarine chloride hydrochloride pentahydrate, D-Tubocurarine dichloride pentahydrate, Tubarine pentahydrate

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About This Item

Empirical Formula (Hill Notation):
C37H42Cl2N2O6 · 5H2O
CAS Number:
6989-98-6
Molecular Weight:
771.72
NACRES:
NA.77
PubChem Substance ID:
57653575
UNSPSC Code:
12352202
MDL number:
MFCD00150157
Beilstein/REAXYS Number:
3896374
Assay:
≥97.0% (TLC)
Form:
powder

Key Documents

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Product Name

(+)-Tubocurarine chloride pentahydrate, ≥97.0% (TLC)

InChI

1S/C37H40N2O6.2ClH.5H2O/c1-38-14-12-24-19-32(42-4)33-21-27(24)28(38)16-22-6-9-26(10-7-22)44-37-35-25(20-34(43-5)36(37)41)13-15-39(2,3)29(35)17-23-8-11-30(40)31(18-23)45-33;;;;;;;/h6-11,18-21,28-29H,12-17H2,1-5H3,(H-,40,41);2*1H;5*1H2/t28-,29+;;;;;;;/m0......./s1

SMILES string

[Cl-].Cl[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].COc1cc2CCN(C)[C@H]3Cc4ccc(Oc5c(O)c(OC)cc6CC[N+](C)(C)[C@H](Cc7ccc(O)c(Oc1cc23)c7)c56)cc4

InChI key

WMIZITXEJNQAQK-GGDSLZADSA-N

biological source

plant

assay

≥97.0% (TLC)

form

powder

optical activity

[α]20/D +195±5°, c = 0.5% in H2O

impurities

~12% water

mp

275-280 °C (dec.) (lit.)

storage temp.

2-8°C

Quality Level

200

Gene Information

human ... CHRNA1(1134), CHRNB1(1140), CHRND(1144), CHRNE(1145), CHRNG(1146)

Related Categories

Application

(+)-Tubocurarine chloride pentahydrate has been used:
  • as an acetylcholine receptor antagonist in synapse blocking experiment to study its effect on neuromuscular junction formation (NMJ) formation in a co-culture system of human skeletal muscles and human stem cell-derived motoneurons
  • to induce paralysis in zebrafish larvae to study whole-brain imaging of seizures by two-photon light-sheet microscopy
  • to block NMJ to study its role in myotube contraction

Biochem/physiol Actions

(+)-Tubocurarine chloride pentahydrate serves as a neuromuscular blocker.
Classical competitive antagonist of the nicotinic acetylcholine receptor. Structure-activity relationships and conformational studies for tubocurarine binding at the nicotinic AChR.

pictograms

Skull and crossbones
GHS06

signalword

Danger

hcodes

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

93750-VAR: + 93750-250MG:4548173183725 + 93750-BULK: + 93750-1G:4548173183718

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN0590
BCCH9523
BCCC1458
BCBV5179
BCBR4715V

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J W Karpen et al.
Biochemistry, 25(7), 1786-1792 (1986-04-08)
The issue of whether d-tubocurarine, the classical acetylcholine receptor inhibitor, inhibits the receptor by a competitive or noncompetitive mechanism has long been controversial. d-Tubocurarine, in this study, has been found to be both a competitive (KC = 120 nM) and
Fast whole-brain imaging of seizures in zebrafish larvae by two-photon light-sheet microscopy
de Vito G, et al.
Biomedical Optics Express, 1516-1536 null
Richard Mills et al.
Molecular metabolism, 7, 12-22 (2017-11-22)
We examined whether skeletal muscle overexpression of PGC-1α1 or PGC-1α4 affected myokine secretion and neuromuscular junction (NMJ) formation. A microfluidic device was used to model endocrine signaling and NMJ formation between primary mouse myoblast-derived myotubes and embryonic stem cell-derived motor
Pietro Ricci et al.
Journal of biophotonics, 15(4), e202100256-e202100256 (2022-01-10)
Two-photon (2P) excitation is a cornerstone approach widely employed in neuroscience microscopy for deep optical access and sub-micrometric-resolution light targeting into the brain. However, besides structural and functional imaging, 2P optogenetic stimulations are less routinary, especially in 3D. This is
Xiufang Guo et al.
Biomaterials, 32(36), 9602-9611 (2011-09-29)
Functional in vitro models composed of human cells will constitute an important platform in the next generation of system biology and drug discovery. This study reports a novel human-based in vitro Neuromuscular Junction (NMJ) system developed in a defined serum-free
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