4-Chlorophthalic acid - ≥97% , CAS No.89-20-3

CAS: 89-20-3 Cat. No.: C693384 Molecular Weight: 200.58 EC Number: 201-886-3 PubChem CID: 6964
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
4-chloro-Phthalic acid
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
C693384-1g
3

$26.90

$40.90
Save $14.00 (34.23%)
5g
C693384-5g
2

$34.90

$52.90
Save $18.00 (34.03%)
25g
C693384-25g
1

$130.90

$196.90
Save $66.00 (33.52%)
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Why this grade

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

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

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
4-chloro-Phthalic acid
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Canonical SmilesC1=CC(=C(C=C1Cl)C(=O)O)C(=O)O
IUPAC Name4-chlorophthalic acid
InChIKeyDVIPPHSQIBKWSA-UHFFFAOYSA-N
INCHI1S/C8H5ClO4/c9-4-1-2-5(7(10)11)6(3-4)8(12)13/h1-3H,(H,10,11)(H,12,13)
Isomeric SMILES C1=CC(=C(C=C1Cl)C(=O)O)C(=O)O
PubChem CID 6964
Molecular Weight 200.58

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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Halobenzoic acids and derivatives
Direct ParentHalobenzoic acids
Alternative Parents 4-halobenzoic acids  3-halobenzoic acids  Benzoic acids  Benzoyl derivatives  Chlorobenzenes  Dicarboxylic acids and derivatives  Aryl chlorides  Carboxylic acids  Organooxygen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Halobenzoic acid - 4-halobenzoic acid - 3-halobenzoic acid - 4-halobenzoic acid or derivatives - 3-halobenzoic acid or derivatives - Benzoic acid - Benzoyl - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Dicarboxylic acid or derivatives - Carboxylic acid derivative - Carboxylic acid - Organic oxygen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organochloride - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as halobenzoic acids. These are benzoic acids carrying a halogen atom on the benzene ring.
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.

3 results found

Lot NumberCertificate TypeDateItem
K2504236Certificate of AnalysisSep 02, 2025 C693384
K2504247Certificate of AnalysisSep 02, 2025 C693384
K2504248Certificate of AnalysisSep 02, 2025 C693384
Chemical and Physical Properties
Molecular Weight200.570 g/mol
XLogP32.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass199.988 Da
Monoisotopic Mass199.988 Da
Topological Polar Surface Area74.600 Ų
Heavy Atom Count13
Formal Charge0
Complexity228.000
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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