Cisatracurium Besylate - ≥98% , Muscle-type nicotinic acetylcholine receptor antagonist, CAS No.96946-42-8, Muscle-type nicotinic acetylcholine receptor antagonist

CAS: 96946-42-8 Cat. No.: C129903 Molecular Weight: 1243.48 EC Number: 620-579-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
51W89 | 51-W89 | 51-W-89 | ISOQUINOLINIUM, 2,2'-(1,5-PENTANEDIYLBIS(OXY(3-OXO-3,1-PROPANEDIYL)))BIS(1-((3,4-DIMETHOXYPHENYL)METHYL)-1,2,3,4-TETRAHYDRO-6,7-DIMETHOXY-2-METHYL-, DIBENZENESULFONATE, (1R-(1alpha,2alpha(1'R*,2'R*)))- | (1R,2R,1'R,2'R)-2,2'-{pe
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
C129903-250mg
3
$39.90
1g
C129903-1g
3
$96.90
5g
C129903-5g
2
$249.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Cisatracurium Besylate is a nondepolarizing neuromuscular blocking agent, antagonizing the action of acetylcholine by inhibiting neuromuscular transmission.
A neuromuscular blocking agent.

Specifications

Synonyms
51W89 | 51-W89 | 51-W-89 | ISOQUINOLINIUM, 2, 2'-(1, 5-PENTANEDIYLBIS(OXY(3-OXO-3, 1-PROPANEDIYL)))BIS(1-((3, 4-DIMETHOXYPHENYL)METHYL)-1, 2, 3, 4-TETRAHYDRO-6, 7-DIMETHOXY-2-METHYL-, DIBENZENESULFONATE, (1R-(1alpha, 2alpha(1'R*, 2'R*)))- | (1R, 2R, 1'R, 2'R)-2, 2'-{pe
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms
Cisatracurium besylate is one of the ten stereoisomers of astracurium that does not cause histamine release. This compound is a potent, nondepolarizing neuromuscular blocking agent. It acts on cholinergic receptors to block neuromuscular transmission, whi
Storage
Protected from light, Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
ANTAGONIST
Mechanism of action
Muscle-type nicotinic acetylcholine receptor antagonist
Purity
≥98%
Names and Identifiers
Pubchem Sid504753889
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753889
Canonical SmilesC[N+]1(CCC2=CC(=C(C=C2C1CC3=CC(=C(C=C3)OC)OC)OC)OC)CCC(=O)OCCCCCOC(=O)CC[N+]4(CCC5=CC(=C(C=C5C4CC6=CC(=C(C=C6)OC)OC)OC)OC)C.C1=CC=C(C=C1)S(=O)(=O)[O-].C1=CC=C(C=C1)S(=O)(=O)[O-]
IUPAC Namebenzenesulfonate;5-[3-[(1R,2R)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-2-methyl-3,4-dihydro-1H-isoquinolin-2-ium-2-yl]propanoyloxy]pentyl 3-[(1R,2R)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-2-methyl-3,4-dihydro-1H-isoquinolin-2-ium-2-yl]propanoate
InChIKeyXXZSQOVSEBAPGS-DONVQRBFSA-L
INCHI1S/C53H72N2O12.2C6H6O3S/c1-54(22-18-38-32-48(62-7)50(64-9)34-40(38)42(54)28-36-14-16-44(58-3)46(30-36)60-5)24-20-52(56)66-26-12-11-13-27-67-53(57)21-25-55(2)23-19-39-33-49(63-8)51(65-10)35-41(39)43(55)29-37-15-17-45(59-4)47(31-37)61-6;2*7-10(8,9)6-4-2-1-3-5-6/h14-17,30-35,42-43H,11-13,18-29H2,1-10H3;2*1-5H,(H,7,8,9)/q+2;;/p-2/t42-,43-,54-,55-;;/m1../s1
Isomeric SMILES C[N@@+]1(CCC2=CC(=C(C=C2[C@H]1CC3=CC(=C(C=C3)OC)OC)OC)OC)CCC(=O)OCCCCCOC(=O)CC[N@+]4(CCC5=CC(=C(C=C5[C@H]4CC6=CC(=C(C=C6)OC)OC)OC)OC)C.C1=CC=C(C=C1)S(=O)(=O)[O-].C1=CC=C(C=C1)S(=O)(=O)[O-]
WGK Germany 3
Alternate CAS 96946-42-8
MeSH Entry Terms 51W89;cisatracurium;cisatracurium besilate;cisatracurium besylate;Nimbex
Molecular Weight 1243.48
Reaxy-Rn 3535417
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3535417&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzenesulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzenesulfonic acids and derivatives
Alternative Parents Benzenesulfonyl compounds  1-sulfo,2-unsubstituted aromatic compounds  Dicarboxylic acids and derivatives  Sulfonyls  Organosulfonic acids  Organic zwitterions  Organic salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkNot available
Substituents Benzenesulfonate - Arylsulfonic acid or derivatives - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Dicarboxylic acid or derivatives - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Organic oxide - Organic oxygen compound - Organosulfur compound - Hydrocarbon derivative - Organic salt - Organic zwitterion - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonic acids and derivatives. These are organic compounds containing a sulfonic acid or a derivative thereof that is linked to a benzene ring.
External Descriptors quaternary ammonium salt - organosulfonate salt - atracurium besylate
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CYP2D6 Tclin Cytochrome P450 2D6 (33882 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP2C9 Tchem Cytochrome P450 2C9 (32119 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP2C19 Tchem Cytochrome P450 2C19 (29246 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Homo sapiens (32628 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
LMNA Tbio Prelamin-A/C (36751 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PMP22 Tbio Peripheral myelin protein 22 (699 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
G2203132Certificate of AnalysisMar 13, 2026 C129903
G2203060Certificate of AnalysisJan 26, 2026 C129903
G2203144Certificate of AnalysisJan 26, 2026 C129903
A2616003Certificate of AnalysisJan 20, 2026 C129903
A2409222Certificate of AnalysisOct 13, 2025 C129903
A2409223Certificate of AnalysisOct 13, 2025 C129903
Chemical and Physical Properties
SolubilityDMSO 249 mg/mL Water 47 mg/mL Ethanol 249 mg/mL
SensitivityLight and moisture sensitive
Melt Point(°C)85-90°C
Molecular Weight1243.500 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count18
Rotatable Bond Count26
Exact Mass1242.5 Da
Monoisotopic Mass1242.5 Da
Topological Polar Surface Area258.000 Ų
Heavy Atom Count87
Formal Charge0
Complexity1560.000
Isotope Atom Count0
Defined Atom Stereocenter Count4
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Solution Calculators
Reviews

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