9,10-Dioxo Ketotifen - ≥95% , CAS No.43076-16-0

CAS: 43076-16-0 Cat. No.: D345710 Molecular Weight: 323.41
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
DTXSID80314399 | FT-0667634 | 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione | 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione | 4-(1-Methyl-4-piperidinylidene)-4H-benzo[4,5]cyclohepta[
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10mg
D345710-10mg
2
$197.90
25mg
D345710-25mg
1
$376.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice 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
DTXSID80314399 | FT-0667634 | 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4, 5]cyclohepta[1, 2-b]thiophene-9, 10-dione | 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4, 5]cyclohepta[1, 2-b]thiophen-9, 10-dione | 4-(1-Methyl-4-piperidinylidene)-4H-benzo[4, 5]cyclohepta[
Specifications & Purity
≥95%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504758473
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504758473
Canonical SmilesCN1CCC(=C2C3=C(C(=O)C(=O)C4=CC=CC=C42)SC=C3)CC1
IUPAC Name2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaene-8,9-dione
InChIKeySEWPKRUDHMXTMH-UHFFFAOYSA-N
INCHI1S/C19H17NO2S/c1-20-9-6-12(7-10-20)16-13-4-2-3-5-14(13)17(21)18(22)19-15(16)8-11-23-19/h2-5,8,11H,6-7,9-10H2,1H3
Isomeric SMILES CN1CCC(=C2C3=C(C(=O)C(=O)C4=CC=CC=C42)SC=C3)CC1
Molecular Weight 323.41
Reaxy-Rn 1015705
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1015705&ln=

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
SuperclassOrganoheterocyclic compounds
ClassCycloheptathiophenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentCycloheptathiophenes
Alternative Parents Aryl ketones  Piperidines  Benzenoids  Thiophenes  Heteroaromatic compounds  Trialkylamines  Azacyclic compounds  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Cycloheptathiophene - Aryl ketone - Piperidine - Benzenoid - Thiophene - Heteroaromatic compound - Ketone - Tertiary amine - Tertiary aliphatic amine - Azacycle - Organic nitrogen compound - Organopnictogen compound - Organic oxygen compound - Organooxygen compound - Organonitrogen compound - Amine - Organic oxide - Hydrocarbon derivative - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as cycloheptathiophenes. These are polycyclic compounds containing a thiophene ring fused to a 7 member carbocyclic moiety. Thiophene is 5-membered ring consisting of four carbon atoms and one sulfur atom.
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.

4 results found

Lot NumberCertificate TypeDateItem
D23081090Certificate of AnalysisJan 20, 2026 D345710
D23081091Certificate of AnalysisJan 20, 2026 D345710
D23081093Certificate of AnalysisJan 20, 2026 D345710
D23081094Certificate of AnalysisJan 20, 2026 D345710
Chemical and Physical Properties
Molecular Weight323.400 g/mol
XLogP32.900
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass323.098 Da
Monoisotopic Mass323.098 Da
Topological Polar Surface Area65.600 Ų
Heavy Atom Count23
Formal Charge0
Complexity546.000
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
Reviews

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