Tropolone Tosylate - ≥98% , CAS No.38768-08-0

CAS: 38768-08-0 Cat. No.: T131497 Molecular Weight: 276.31 EC Number: 803-948-0 PubChem CID: 562886
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
7-Oxo-1,3,5-cycloheptatrien-1-yl 4-methylbenzenesulfonate # | 7-Oxocyclohepta-1,3,5-trien-1-yl4-methylbenzenesulfonate | 2-(Tosyloxy)-2,4,6-cycloheptatrien-1-one | 2-Tosyloxytropone | 7-oxocyclohepta-1,3,5-trien-1-yl 4-methylbenzene-1-sulfonate | DS-17655
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
T131497-1g
5

$12.90

$19.90
Save $7.00 (35.18%)
5g
T131497-5g
1

$46.90

$70.90
Save $24.00 (33.85%)
25g
T131497-25g
2

$177.90

$266.90
Save $89.00 (33.35%)
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Why this grade

≥98% 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.

📚

Literature proof

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

Specifications

Synonyms
7-Oxo-1, 3, 5-cycloheptatrien-1-yl 4-methylbenzenesulfonate # | 7-Oxocyclohepta-1, 3, 5-trien-1-yl4-methylbenzenesulfonate | 2-(Tosyloxy)-2, 4, 6-cycloheptatrien-1-one | 2-Tosyloxytropone | 7-oxocyclohepta-1, 3, 5-trien-1-yl 4-methylbenzene-1-sulfonate | DS-17655
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488190315
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488190315
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)OC2=CC=CC=CC2=O
IUPAC Name(7-oxocyclohepta-1,3,5-trien-1-yl) 4-methylbenzenesulfonate
InChIKeyAWUMFQREGHLKJB-UHFFFAOYSA-N
INCHI1S/C14H12O4S/c1-11-7-9-12(10-8-11)19(16,17)18-14-6-4-2-3-5-13(14)15/h2-10H,1H3
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)OC2=CC=CC=CC2=O
PubChem CID 562886
Molecular Weight 276.31
Reaxy-Rn 2133515

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.

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📊 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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzenesulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzenesulfonate esters
Alternative Parents p-Methylbenzenesulfonates  Tosyl compounds  Benzenesulfonyl compounds  Arylsulfonic acids and derivatives  Tropones  Organosulfonic acid esters  Sulfonyls  Cyclic ketones  Organic oxides  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonate ester - P-methylbenzenesulfonate - Tosyl compound - Arylsulfonic acid or derivatives - Benzenesulfonyl group - Tropone - Toluene - Organosulfonic acid ester - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl - Cyclic ketone - Organic oxide - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonate esters. These are arenesulfonate esters that result from the formal condensation of the hydroxy group of an alcohol, enol, phenol or heteroarenol with benzenesulfonic acid.
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.

9 results found

Lot NumberCertificate TypeDateItem
H2323640Certificate of AnalysisJun 10, 2025 T131497
H2323648Certificate of AnalysisJun 10, 2025 T131497
H2323674Certificate of AnalysisJun 10, 2025 T131497
D23231224Certificate of AnalysisJan 22, 2025 T131497
D23231226Certificate of AnalysisJan 22, 2025 T131497
D23231234Certificate of AnalysisJan 22, 2025 T131497
D23231235Certificate of AnalysisJan 22, 2025 T131497
D2323212Certificate of AnalysisJan 22, 2025 T131497
D2323213Certificate of AnalysisJan 22, 2025 T131497
Chemical and Physical Properties
Melt Point(°C)160 °C
Molecular Weight276.310 g/mol
XLogP33.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass276.046 Da
Monoisotopic Mass276.046 Da
Topological Polar Surface Area68.800 Ų
Heavy Atom Count19
Formal Charge0
Complexity526.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
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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