cis-1,2,3,6-Tetrahydrophthalic anhydride - ≥97% , CAS No.935-79-5

CAS: 935-79-5 Cat. No.: C123346 Molecular Weight: 152.15 Beilstein Registry Number: 82341 EC Number: 213-308-7
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
cis-4-Cyclohexene-1,2-dicarboxylic anhydride | (3aR,7aS)-rel-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione | 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, (3aR,7aS)-rel- | cis-3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione | cis-1,2,3,6-Tetrahydrophthalic anh
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100g
C123346-100g
1
$9.90
500g
C123346-500g
1

$19.90

$29.90
Save $10.00 (33.44%)
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Why this grade

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

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Storage & shipping

Argon charged,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 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
cis-4-Cyclohexene-1, 2-dicarboxylic anhydride | (3aR, 7aS)-rel-3a, 4, 7, 7a-tetrahydroisobenzofuran-1, 3-dione | 1, 3-Isobenzofurandione, 3a, 4, 7, 7a-tetrahydro-, (3aR, 7aS)-rel- | cis-3a, 4, 7, 7a-Tetrahydro-1, 3-isobenzofurandione | cis-1, 2, 3, 6-Tetrahydrophthalic anh
Specifications & Purity
≥97%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid504756402
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504756402
Canonical Smiles[H][C@@]12CC=CC[C@]1([H])C(=O)OC2=O
IUPAC Name(3aS,7aR)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione
InChIKeyKMOUUZVZFBCRAM-OLQVQODUSA-N
INCHI1S/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-2,5-6H,3-4H2/t5-,6+
Isomeric SMILES C1C=CC[C@H]2[C@@H]1C(=O)OC2=O
WGK Germany 3
RTECS GW5775000
Alternate CAS 85-43-8
Molecular Weight 152.15
Beilstein 82341
Reaxy-Rn 82341
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=82341&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
ClassIsobenzofurans
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentIsobenzofurans
Alternative Parents Dicarboxylic acids and derivatives  Tetrahydrofurans  Carboxylic acid anhydrides  Lactones  Oxacyclic compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteropolycyclic compounds
Substituents Isobenzofuran - Dicarboxylic acid or derivatives - Tetrahydrofuran - Carboxylic acid anhydride - Lactone - Oxacycle - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as isobenzofurans. These are organic aromatic compounds containing an isobenzofuran moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
Penicillium citrinum (522 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Fusarium oxysporum (3998 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Aspergillus ochraceus (560 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Fusarium culmorum (260 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

14 results found

Lot NumberCertificate TypeDateItem
D2220051Certificate of AnalysisFeb 04, 2026 C123346
D2220060Certificate of AnalysisFeb 04, 2026 C123346
L2510277Certificate of AnalysisDec 01, 2025 C123346
L2510278Certificate of AnalysisDec 01, 2025 C123346
L2510279Certificate of AnalysisDec 01, 2025 C123346
H2104081Certificate of AnalysisMay 12, 2025 C123346
I2425231Certificate of AnalysisSep 10, 2024 C123346
I2425232Certificate of AnalysisSep 10, 2024 C123346
I2425233Certificate of AnalysisSep 10, 2024 C123346
I2425234Certificate of AnalysisSep 10, 2024 C123346
I2425235Certificate of AnalysisSep 10, 2024 C123346
D2422358Certificate of AnalysisMar 25, 2024 C123346
B1928061Certificate of AnalysisDec 15, 2022 C123346
D2220053Certificate of AnalysisFeb 28, 2022 C123346

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Chemical and Physical Properties
SolubilitySoluble in Benzene,Toluene; Slightly soluble in Ether
SensitivityMoisture sensitive
Flash Point(°C)156 °C
Boil Point(°C)195 °C
Melt Point(°C)101.0to104.0°C
Molecular Weight152.150 g/mol
XLogP30.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass152.047 Da
Monoisotopic Mass152.047 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count11
Formal Charge0
Complexity218.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
1. Bo Liang, Jianghuai Hu, Ping Yuan, Chengfeng Li, Renke Li, Yao Liu, Ke Zeng, Gang Yang.  (2018)  Kinetics of the pyrolysis process of phthalonitrile resin.  THERMOCHIMICA ACTA,      [PMID:] [10.1016/j.tca.2018.12.025]
2. Yang Liu, Zheng-zhou Liu, Wei-feng Peng, Zheng Lu, Jiang-huai Hu, Ke Zeng, Gang Yang.  (2018)  Copolymerization modification: improving the processability and thermal properties of phthalonitrile resins with novel comonomers.  POLYMER INTERNATIONAL,  68  (4): (724-734).  [PMID:] [10.1002/pi.5758]
3. Weifeng Peng, Yang Liu, zhengzhou Liu, Zheng Lu, Jianghuai Hu, Ke Zeng, Gang Yang.  (2017)  Curing kinetics study on highly efficient thermal synergistic polymerization effect between alicyclic imide moiety and phthalonitrile.  THERMOCHIMICA ACTA,      [PMID:] [10.1016/j.tca.2017.09.020]
4. Ping Yuan, Suchun Ji, Jianghuai Hu, Xueping Hu, Ke Zeng, Gang Yang.  (2016)  Systematic study on highly efficient Thermal Synergistic Polymerization effect between alicyclic imide moiety and phthalonitrile: Scope, Properties and Mechanism.  POLYMER,      [PMID:] [10.1016/j.polymer.2016.09.025]
Solution Calculators
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