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Steroids and sterols

Rocuronium bromide

Also known as ORG 9426, Org-9426, bromuro de rocuronio

CAS 119302-91-9Formula C32H53BrN2O4Molar mass 609.69 g/molEC 601-597-6
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant 119 suppliers listed Drug substance
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Rocuronium bromide chemical structure, C32H53BrN2O4, CAS 119302-91-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
119302-91-9
Formula
C32H53BrN2O4
Molar mass
609.69 g/mol
EC number
601-597-6
HS code
293499
Category
Steroids and sterols

What is Rocuronium bromide?

Plain description, key identifiers and synonyms

Rocuronium bromide is the organic bromide salt of a 5alpha androstane compound having 3alpha-hydroxy-, 17beta-acetoxy-, 2beta-morpholino- and 16beta-N-allyllyrrolidinium substituents. It has a role as a muscle relaxant and a neuromuscular agent. It is a quaternary ammonium salt and an organic bromide salt. It contains a rocuronium. It derives from a hydride of a 5alpha-androstane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[(2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-3-hydroxy-10,13-dimethyl-2-morpholin-4-yl-16-(1-prop-2-enylpyrrolidin-1-ium-1-yl)-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate bromide
CAS number
119302-91-9 CAS number cross-checked
EC number
601-597-6
Molecular formula
C32H53BrN2O4
UNII
I65MW4OFHZ
MDL number
MFCD00867768
InChIKey
OYTJKRAYGYRUJK-FMCCZJBLSA-M
InChI
InChI=1S/C32H53N2O4.BrH/c1-5-14-34(15-6-7-16-34)28-20-26-24-9-8-23-19-29(36)27(33-12-17-37-18-13-33)21-32(23,4)25(24)10-11-31(26,3)30(28)38-22(2)35;/h5,23-30,36H,1,6-21H2,2-4H3;1H/q+1;/p-1/t23-,24+,25-,26-,27-,28-,29-,30-,31-,32-;/m0./s1
Canonical SMILES
C=CC[N+]1(C2CC3C4CCC5CC(O)C(N6CCOCC6)CC5(C)C4CCC3(C)C2OC(C)=O)CCCC1.[Br-]
Isomeric SMILES
CC(=O)O[C@H]1[C@H](C[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC[C@@H]4[C@@]3(C[C@@H]([C@H](C4)O)N5CCOCC5)C)C)[N+]6(CCCC6)CC=C.[Br-]

Synonyms

  • ORG 9426
  • Org-9426
  • bromuro de rocuronio
  • bromure de rocuronium
  • org9426
  • Pyrrolidinium, 1-[(2beta,3alpha,5alpha,16beta,17beta)-17-(acetyloxy)-3-hydroxy-2-(4-morpholinyl)androstan-16-yl]-1-(2-propenyl)-, bromide
  • Pyrrolidinium, 1-((2beta,3alpha,5alpha,16beta,17beta)-17-(acetyloxy)-3-hydroxy-2-(4-morpholinyl)androstan-16-yl)-1-(2-propenyl)-, bromide
  • rocuronii bromidum
  • Zemuron
  • Esmeron
  • Rocuronium (Bromide)
  • 1-Allyl-1-(3alpha,17beta-dihydroxy-2beta-morpholino-5alpha-androstan-16beta-yl)pyrrolidinium bromide, 17-acetate
  • C32H53BrN2O4
  • Eslax
  • Rocuronium bromide, 1-[17ss-(Acetyloxy)-3a-hydroxy-2ss-(morpholin-4-yl)-5a-androstan-16ss-yl]-1-(prop-2-enyl)pyrrolidinium bromide
  • Zemuron (TN)
  • Rocuronium bromide CRS
  • (+)-Rocuronium bromide
  • Rocuronium bromide (JAN/USP/INN)
  • Rocuronium for peak identification CRS
  • Rocuronium bromide, >=98% (perchloric acid titration)
  • Rocuronium bromide, European Pharmacopoeia (EP) Reference Standard
  • Rocuronium bromide, United States Pharmacopeia (USP) Reference Standard

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
609.69 g/molcalc.
Exact mass
608.3189 Dacalc.
LogP (octanol/water)
1.41calc.
Topological polar surface area
59 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
5calc.
Heavy atoms
39calc.
Rings
6calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.91calc.
Formal charge
0calc.
Stereocentres
10calc.
Components
2calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CCN(C2CC3CCC4C5CC(N6CCOCC6)CCC5CCC4C3C2)C1

C1CCN(C2CC3CCC4C5CC(N6CCOCC6)CCC5CCC4C3C2)C1

6 rings, 28 atoms.

10 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H331Toxic if inhaled.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Rocuronium bromide suppliers

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All 119 suppliers
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Where suppliers are based

119 suppliers in 20 countries

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Rocuronium bromide price

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Uses and applications

What the substance is used for, by industry and function

Roles

  • analgesic
  • cardiovascular drug
  • muscle relaxant
  • neuromuscular agent
  • pharmaceutical

Pharmacology

Rocuronium Bromide is the bromide salt form of rocuronium, an intermediate-acting quaternary aminosteroid with muscle relaxant property. Rocuronium bromide competitively binds to the nicotinic receptor at the motor end plate, and antagonizes acetylcholine binding, which results in skeletal muscle relaxation and paralysis.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Rocuronium bromide is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Rocuronium bromide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Rocuronium bromide, based on the data on this page

What is Rocuronium bromide?

Rocuronium bromide is the organic bromide salt of a 5alpha androstane compound having 3alpha-hydroxy-, 17beta-acetoxy-, 2beta-morpholino- and 16beta-N-allyllyrrolidinium substituents. It has a role as a muscle relaxant and a neuromuscular agent. It is a quaternary ammonium salt and an organic bromide salt.

What is the CAS number of Rocuronium bromide?

The CAS registry number of Rocuronium bromide is 119302-91-9.

What is the molecular formula and weight of Rocuronium bromide?

The molecular formula of Rocuronium bromide is C32H53BrN2O4 and its molar mass is 609.69 g/mol.

What is Rocuronium bromide used for?

Known uses and roles of Rocuronium bromide include analgesic, cardiovascular drug, muscle relaxant, neuromuscular agent and pharmaceutical.

Is Rocuronium bromide hazardous?

Rocuronium bromide carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful in contact with skin, toxic if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Rocuronium bromide?

Rocuronium bromide is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Rocuronium bromide?

CompoundList lists 119 suppliers of Rocuronium bromide in China, United States, India, Spain and 16 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Rocuronium bromide in India?

13 suppliers in India list Rocuronium bromide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Rocuronium bromide?

Suppliers quote Rocuronium bromide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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