Flecainide acetate - ≥99% , CAS No.54143-56-5

CAS: 54143-56-5 Cat. No.: F768908 Molecular Weight: 474.39 EC Number: 258-997-5
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
N-(Piperidin-2-ylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide Acetate | R-818 | DDMT-2'-O-4'-C-Locked-A(Bz)-CE-Phosphoramidite | MT-locA(bz) Phosphoramidite LNA-A(Bz) amidite | DMT-locA(bz) Phosphoramidite | (1R,3R,4R,7S)-3-(6-Benzamido-9H-purin-9-yl)-
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
F768908-50mg
2

$48.90

$73.90
Save $25.00 (33.83%)
250mg
F768908-250mg
2

$179.90

$269.90
Save $90.00 (33.35%)
1g
F768908-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$483.90

$725.90
Save $242.00 (33.34%)
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice 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

Flecainide acetate (R-818) is an antiarrhythmic agent that blocks the Nav1.5 sodium channel located in the heart.

Specifications

Synonyms
N-(Piperidin-2-ylmethyl)-2, 5-bis(2, 2, 2-trifluoroethoxy)benzamide Acetate | R-818 | DDMT-2'-O-4'-C-Locked-A(Bz)-CE-Phosphoramidite | MT-locA(bz) Phosphoramidite LNA-A(Bz) amidite | DMT-locA(bz) Phosphoramidite | (1R, 3R, 4R, 7S)-3-(6-Benzamido-9H-purin-9-yl)-
Specifications & Purity
≥99%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥99%
Names and Identifiers
Pubchem Sid528772399
Canonical SmilesCC(O)=O.FC(F)(F)COc1ccc(OCC(F)(F)F)c(c1)C(=O)NCC2CCCCN2
IUPAC Nameacetic acid;N-(piperidin-2-ylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide
InChIKeyRKXNZRPQSOPPRN-UHFFFAOYSA-N
INCHI1S/C17H20F6N2O3.C2H4O2/c18-16(19,20)9-27-12-4-5-14(28-10-17(21,22)23)13(7-12)15(26)25-8-11-3-1-2-6-24-11;1-2(3)4/h4-5,7,11,24H,1-3,6,8-10H2,(H,25,26);1H3,(H,3,4)
Isomeric SMILES CC(=O)O.C1CCNC(C1)CNC(=O)C2=C(C=CC(=C2)OCC(F)(F)F)OCC(F)(F)F
WGK Germany 3
Molecular Weight 474.39

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
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzamides
Alternative Parents Phenoxy compounds  Phenol ethers  Benzoyl derivatives  Alkyl aryl ethers  Piperidines  Secondary carboxylic acid amides  Amino acids and derivatives  Azacyclic compounds  Monocarboxylic acids and derivatives  Dialkylamines  Carboxylic acids  Carbonyl compounds  Hydrocarbon derivatives  Organic oxides  Organofluorides  Alkyl fluorides  Organopnictogen compounds  
Molecular FrameworkNot available
Substituents Benzamide - Phenoxy compound - Benzoyl - Phenol ether - Alkyl aryl ether - Piperidine - Amino acid or derivatives - Carboxamide group - Secondary carboxylic acid amide - Secondary amine - Azacycle - Organoheterocyclic compound - Carboxylic acid derivative - Carboxylic acid - Secondary aliphatic amine - Ether - Monocarboxylic acid or derivatives - Hydrocarbon derivative - Organohalogen compound - Organofluoride - Organonitrogen compound - Organooxygen compound - Alkyl fluoride - Carbonyl group - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Amine - Alkyl halide - Organic oxide - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzamides. These are organic compounds containing a carboxamido substituent attached to a benzene ring.
External Descriptors acetate salt
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
H2526427Certificate of AnalysisMay 07, 2025 F768908
H2526444Certificate of AnalysisMay 07, 2025 F768908
H2526445Certificate of AnalysisMay 07, 2025 F768908
Chemical and Physical Properties
SensitivityAir sensitive,Heat sensitive,Moisture sensitive;
Melt Point(°C)148.0~152°C
Molecular Weight474.400 g/mol
XLogP3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count12
Rotatable Bond Count7
Exact Mass474.159 Da
Monoisotopic Mass474.159 Da
Topological Polar Surface Area96.900 Ų
Heavy Atom Count32
Formal Charge0
Complexity531.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
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
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