1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic a acid - Reagent grade , CAS No.20262-55-9

CAS: 20262-55-9 Cat. No.: D478808 Molecular Weight: 191.142 EC Number: 817-857-9
AVAILABLE TO ORDER
GRADE & PURITY Reagent Grade ? General reagent-grade purity suitable for most laboratory work. Use as a dependable default when no specific higher grade is required.
Synonyms
EN300-69178 | HMS1678K10 | Oprea1_611612 | NSC87998 | NSC-87998 | Trimellitimide | STK267623 | 2,3-dihydro-1,3-dioxo-1h-isoindole-5-carboxylic acid | AKOS000275048 | 1,3-dioxoisoindole-5-carboxylic acid | SCHEMBL1260800 | 1,3-Dioxo-5-isoindolinecarboxylic
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25mg
D478808-25mg
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$191.90

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Why this grade

Reagent grade Reagent Grade for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships 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
EN300-69178 | HMS1678K10 | Oprea1_611612 | NSC87998 | NSC-87998 | Trimellitimide | STK267623 | 2, 3-dihydro-1, 3-dioxo-1h-isoindole-5-carboxylic acid | AKOS000275048 | 1, 3-dioxoisoindole-5-carboxylic acid | SCHEMBL1260800 | 1, 3-Dioxo-5-isoindolinecarboxylic
Specifications & Purity
Reagent grade
Storage
Room temperature
Grade
Reagent Grade
Names and Identifiers
Canonical SmilesC1=CC2=C(C=C1C(=O)O)C(=O)NC2=O
IUPAC Name1,3-dioxoisoindole-5-carboxylic acid
InChIKeyARRQNZZBVOIEQQ-UHFFFAOYSA-N
INCHI1S/C9H5NO4/c11-7-5-2-1-4(9(13)14)3-6(5)8(12)10-7/h1-3H,(H,13,14)(H,10,11,12)
Isomeric SMILES C1=CC2=C(C=C1C(=O)O)C(=O)NC2=O
Molecular Weight 191.142
Reaxy-Rn 155978
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=155978&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ 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
SuperclassOrganoheterocyclic compounds
ClassIsoindoles and derivatives
SubclassIsoindolines
Intermediate Tree Nodes Isoindolones
Direct ParentPhthalimides
Alternative Parents Isoindoles  Benzenoids  N-unsubstituted carboxylic acid imides  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Phthalimide - Isoindole - Benzenoid - Carboxylic acid imide - Carboxylic acid imide, n-unsubstituted - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Azacycle - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phthalimides. These are aromatic heterocyclic compounds containing a 1,3-dioxoisoindoline moiety. They are imide derivatives of phthalic anhydrides.
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 Weight191.140 g/mol
XLogP30.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass191.022 Da
Monoisotopic Mass191.022 Da
Topological Polar Surface Area83.500 Ų
Heavy Atom Count14
Formal Charge0
Complexity312.000
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
Documents & Articles
Solution Calculators
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