Cytembena , CAS No.21739-91-3

CAS: 21739-91-3 Cat. No.: C1270118 Molecular Weight: 307.07
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Storage
Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
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Size
Status
Price
Qty
5mg
C1270118-5mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$513.90
10mg
C1270118-10mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$828.90
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Why this grade

for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Desiccated Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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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

Storage
Store at -20°C, Desiccated
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
INHIBITOR
Names and Identifiers
Canonical SmilesCOC1=CC=C(C=C1)C(=O)/C(=C\C(=O)[O-])/Br.[Na+]
IUPAC Namesodium;(E)-3-bromo-4-(4-methoxyphenyl)-4-oxobut-2-enoate
InChIKeyDVDCIQWIGOVWEX-MLBSPLJJSA-M
INCHI1S/C11H9BrO4.Na/c1-16-8-4-2-7(3-5-8)11(15)9(12)6-10(13)14;/h2-6H,1H3,(H,13,14);/q;+1/p-1/b9-6+;
Molecular Weight 307.07

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
SubclassBenzoyl derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzoyl derivatives
Alternative Parents Phenoxy compounds  Methoxybenzenes  Aryl ketones  Anisoles  Alkyl aryl ethers  Alpha-branched alpha,beta-unsaturated ketones  Vinylogous halides  Acryloyl compounds  Alpha-haloketones  Enones  Carboxylic acid salts  Vinyl bromides  Organic metal halides  Monocarboxylic acids and derivatives  Carboxylic acids  Bromoalkenes  Hydrocarbon derivatives  Organic oxides  Organic sodium salts  Organobromides  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Phenoxy compound - Anisole - Benzoyl - Methoxybenzene - Phenol ether - Aryl ketone - Alkyl aryl ether - Alpha-branched alpha,beta-unsaturated-ketone - Alpha-haloketone - Acryloyl-group - Enone - Vinylogous halide - Alpha,beta-unsaturated ketone - Carboxylic acid salt - Ketone - Organic metal halide - Carboxylic acid derivative - Organic alkali metal salt - Carboxylic acid - Ether - Bromoalkene - Monocarboxylic acid or derivatives - Haloalkene - Vinyl bromide - Vinyl halide - Hydrocarbon derivative - Carbonyl group - Organic oxygen compound - Organohalogen compound - Organobromide - Organooxygen compound - Organic oxide - Organic sodium salt - Organic salt - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoyl derivatives. These are organic compounds containing an acyl moiety of benzoic acid with the formula (C6H5CO-).
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:
Chemical and Physical Properties
Molecular Weight307.070 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass305.95 Da
Monoisotopic Mass305.95 Da
Topological Polar Surface Area66.400 Ų
Heavy Atom Count17
Formal Charge0
Complexity309.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds1
Covalently-Bonded Unit Count2
Solution Calculators
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