Methylnaltrexone bromide - ≥98% , CAS No.73232-52-7

CAS: 73232-52-7 Cat. No.: M769866 Molecular Weight: 436.34 EC Number: 615-932-9 PubChem CID: 5361917
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
(5alpha)-17-(Cyclopropylmethyl)-4,5-epoxy-3,14-dihydroxy-17-methyl-6-oxomorphinanium bromide | Naltrexone methylbromide | Methylnaltrexone | Methylnaltrexone Bromide | Methyl naltrexone bromide | Methylnaltrexone (bromide) | 17-(Cyclopropylmethyl)-4,5A-Ep
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10mg
M769866-10mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$148.90
50mg
M769866-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$666.90
250mg
M769866-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$2,999.90
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

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.

Specifications

Synonyms
(5alpha)-17-(Cyclopropylmethyl)-4, 5-epoxy-3, 14-dihydroxy-17-methyl-6-oxomorphinanium bromide | Naltrexone methylbromide | Methylnaltrexone | Methylnaltrexone Bromide | Methyl naltrexone bromide | Methylnaltrexone (bromide) | 17-(Cyclopropylmethyl)-4, 5A-Ep
Specifications & Purity
≥98%
Storage
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.
Purity
≥98%
Names and Identifiers
Canonical SmilesC[N+]1(CCC23C4C(=O)CCC2(C1CC5=C3C(=C(C=C5)O)O4)O)CC6CC6.[Br-]
IUPAC Name(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-3-methyl-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium-7-one;bromide
InChIKeyIFGIYSGOEZJNBE-KNLJMPJLSA-N
INCHI1S/C21H25NO4.BrH/c1-22(11-12-2-3-12)9-8-20-17-13-4-5-14(23)18(17)26-19(20)15(24)6-7-21(20,25)16(22)10-13;/h4-5,12,16,19,25H,2-3,6-11H2,1H3;1H/t16-,19+,20+,21-,22?;/m1./s1
Isomeric SMILES C[N+]1(CC[C@]23[C@@H]4C(=O)CC[C@]2([C@H]1CC5=C3C(=C(C=C5)O)O4)O)CC6CC6.[Br-]
WGK Germany 3
RTECS QD0188550
PubChem CID 5361917
Molecular Weight 436.34

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
ClassPhenanthrenes and derivatives
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentPhenanthrenes and derivatives
Alternative Parents Isoquinolones and derivatives  Tetralins  Coumarans  1-hydroxy-2-unsubstituted benzenoids  Alkyl aryl ethers  Aralkylamines  Piperidines  Tetraalkylammonium salts  Tertiary alcohols  1,2-aminoalcohols  Ketones  Cyclic alcohols and derivatives  Oxacyclic compounds  Azacyclic compounds  Organopnictogen compounds  Organic oxides  Organic zwitterions  Organic bromide salts  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Phenanthrene - Isoquinolone - Tetralin - Coumaran - Alkyl aryl ether - 1-hydroxy-2-unsubstituted benzenoid - Aralkylamine - Piperidine - Cyclic alcohol - Tetraalkylammonium salt - Quaternary ammonium salt - Tertiary alcohol - Ketone - 1,2-aminoalcohol - Ether - Oxacycle - Azacycle - Organoheterocyclic compound - Organopnictogen compound - Alcohol - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Carbonyl group - Organic bromide salt - Amine - Organic salt - Organic zwitterion - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenanthrenes and derivatives. These are polycyclic compounds containing a phenanthrene moiety, which is a tricyclic aromatic compound with three non-linearly fused benzene.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

3 results found

Lot NumberCertificate TypeDateItem
K2513531Certificate of AnalysisSep 24, 2025 M769866
K2513532Certificate of AnalysisSep 24, 2025 M769866
K2513534Certificate of AnalysisSep 24, 2025 M769866
Chemical and Physical Properties
Sensitivityair sensitive,Moisture sensitive
Molecular Weight436.300 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass435.105 Da
Monoisotopic Mass435.105 Da
Topological Polar Surface Area66.800 Ų
Heavy Atom Count27
Formal Charge0
Complexity664.000
Isotope Atom Count0
Defined Atom Stereocenter Count4
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Solution Calculators
Reviews

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