2-Phenyl-2-(p-toluenesulfonyloxy)acetophenone - ≥97%(HPLC) , CAS No.1678-43-9

CAS: 1678-43-9 Cat. No.: P160254 Molecular Weight: 366.43 PubChem CID: 11728255
AVAILABLE TO ORDER
GRADE & PURITY ≥97%(HPLC)
Synonyms
2-Oxo-1,2-diphenylethyl 4-methylbenzenesulfonate | FT-0633760 | A882211 | 2-Oxo-1,2-diphenylethyl Tosylate | O-Tosylbenzoin | T71899 | Ethanone, 2-[[(4-methylphenyl)sulfonyl]oxy]-1,2-diphenyl- | AS-70373 | MFCD04038426 | 2-[(4-methylbenzenesulfonyl)oxy]-1
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
250mg
P160254-250mg
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$384.90

$577.90
Save $193.00 (33.40%)
1g
P160254-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$1,231.90

$1,847.90
Save $616.00 (33.34%)
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Why this grade

≥97%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal 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.

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Literature proof

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

Specifications

Synonyms
2-Oxo-1, 2-diphenylethyl 4-methylbenzenesulfonate | FT-0633760 | A882211 | 2-Oxo-1, 2-diphenylethyl Tosylate | O-Tosylbenzoin | T71899 | Ethanone, 2-[[(4-methylphenyl)sulfonyl]oxy]-1, 2-diphenyl- | AS-70373 | MFCD04038426 | 2-[(4-methylbenzenesulfonyl)oxy]-1
Specifications & Purity
≥97%(HPLC)
Storage
Room temperature
Shipped In
Normal
Purity
≥97%(HPLC)
Names and Identifiers
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)OC(C2=CC=CC=C2)C(=O)C3=CC=CC=C3
IUPAC Name(2-oxo-1,2-diphenylethyl) 4-methylbenzenesulfonate
InChIKeyDLDWUFCUUXXYTB-UHFFFAOYSA-N
INCHI1S/C21H18O4S/c1-16-12-14-19(15-13-16)26(23,24)25-21(18-10-6-3-7-11-18)20(22)17-8-4-2-5-9-17/h2-15,21H,1H3
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)OC(C2=CC=CC=C2)C(=O)C3=CC=CC=C3
PubChem CID 11728255
Molecular Weight 366.43
Reaxy-Rn 2225338

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassPhenylpropanoids and polyketides
ClassStilbenes
SubclassBenzoins
Intermediate Tree Nodes Not available
Direct ParentBenzoins
Alternative Parents Alkyl-phenylketones  p-Methylbenzenesulfonates  Benzenesulfonate esters  Tosyl compounds  Benzenesulfonyl compounds  Arylsulfonic acids and derivatives  Benzoyl derivatives  Aryl alkyl ketones  Organosulfonic acid esters  Sulfonyls  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzoin - Alkyl-phenylketone - Benzenesulfonate ester - P-methylbenzenesulfonate - Tosyl compound - Benzenesulfonate - Arylsulfonic acid or derivatives - Phenylketone - Benzenesulfonyl group - Benzoyl - Aryl alkyl ketone - Aryl ketone - Toluene - Monocyclic benzene moiety - Organosulfonic acid ester - Benzenoid - Organosulfonic acid or derivatives - Sulfonyl - Organic sulfonic acid or derivatives - Ketone - Organic oxygen compound - Organooxygen compound - Organosulfur compound - Hydrocarbon derivative - Organic oxide - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoins. These are organic compounds containing a 1,2-hydroxy ketone attached to two phenyl groups.
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 Weight366.400 g/mol
XLogP34.700
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count6
Exact Mass366.093 Da
Monoisotopic Mass366.093 Da
Topological Polar Surface Area68.800 Ų
Heavy Atom Count26
Formal Charge0
Complexity545.000
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 Count1
Solution Calculators
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