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Tubocurarine Chloride Pentahydrate
(CAS RN:6989-98-6 Product Number:C0433)


Tubocurarine Chloride
Synonym Curare Pentahydrate

General Information

Product Number C0433

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Purity/Analysis Method >98.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C37H41ClN2O6·HCl·5H2O=681.65(as Anhydrous)
CAS RN 6989-98-6
Related CAS RN 57-94-3,57-95-4
MDL Number MFCD00013471
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance White to Light yellow to Light orange powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 98.0 %(calcd.on anh.substance)
Specific rotation [a]20/D +190.0 to +195.0 deg(C=1, H2O)
Solubility in Water almost transparency
Water 10.0 to 13.0 %

Data of Reference

mp 268°C(dec.)(lit.)


Reaxys-RN 3896374
PubChem SID 87565555
Merck Index(14) 9807


Signal Word Danger
Hazard Statements
  • H301
  • :Toxic if swallowed.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P301+P310+P330
  • :IF SWALLOWED: Immediately call a POISON CENTER or doctor. Rinse mouth.
  • P405
  • :Store locked up.
  • P501
  • :Dispose of contents/container through a waste management company authorized by the local government.

Transport Information

UN Number 1544
Class 6.1
Packing Group III
HS Number 2939790090


Tubocurarine Chloride: An Acetylcholine Receptor Antagonist Known as a Muscle Relaxant

Tubocurarine chloride is a curare alkaloid known for its use as an arrow poison and a muscle relaxant. Tubocurarine chloride does not cross the blood–brain barrier and has no action on the central nervous system (CNS), and works as an acetylcholine receptor antagonist in in the peripheral nervous system. Tubocurarine chloride plays a large part in experiments to determine the role of acetylcholine in neuromuscular transmission. (The product is for research purpose only.)


PubMed Literature

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