4-Chlorophenoxyacetic acid - analytical standard , CAS No.122-88-3

CAS: 122-88-3 Cat. No.: C102889 Formula: C8H7ClO3 Molecular Weight: 186.59 EC Number: 204-581-3
AVAILABLE TO ORDER
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods.
Synonyms
4-CHLOROPHENOXYACETIC ACID|122-88-3|2-(4-chlorophenoxy)acetic acid|(4-Chlorophenoxy)acetic acid|4-CPA|Tomatotone|Sure-Set|Acetic acid, (4-chlorophenoxy)-|Tomato Fix|p-Chlorophenoxyacetic acid|Tomato hold|(p-Chlorophenoxy)acetic acid|Marks 4-cpa|4-CP|Aceti
Storage
Desiccated,Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
250mg
C102889-250mg
3 In stock
—

$46.90

$55.90
Save $9.00 (16.10%)
500mg
C102889-500mg
Made to order · 8–12 wks

$82.90

$97.90
Save $15.00 (15.32%)
1g
C102889-1g
Made to order · 8–12 wks

$148.90

$174.90
Save $26.00 (14.87%)
Enter a quantity for the sizes you want to add.
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Why this grade

analytical standard Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Desiccated,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 20 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
4-CHLOROPHENOXYACETIC ACID | 122-88-3 | 2-(4-chlorophenoxy)acetic acid | (4-Chlorophenoxy)acetic acid | 4-CPA | Tomatotone | Sure-Set | Acetic acid, (4-chlorophenoxy)- | Tomato Fix | p-Chlorophenoxyacetic acid | Tomato hold | (p-Chlorophenoxy)acetic acid | Marks 4-cpa | 4-CP | Aceti
Specifications & Purity
analytical standard
Storage
Desiccated,Room temperature
Shipped In
Normal
Grade
Analytical standard
Names and Identifiers
Pubchem Sid
Canonical Smiles
C1=CC(=CC=C1OCC(=O)O)Cl
IUPAC Name
2-(4-chlorophenoxy)acetic acid
InChIKey
SODPIMGUZLOIPE-UHFFFAOYSA-N
INCHI
1S/C8H7ClO3/c9-6-1-3-7(4-2-6)12-5-8(10)11/h1-4H,5H2,(H,10,11)
Isomeric SMILES
C1=CC(=CC=C1OCC(=O)O)Cl
WGK Germany
1
Molecular Weight
186.59
Reaxy-Rn
1211804
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1211804&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassPhenoxyacetic acid derivatives
Intermediate Tree Nodes Not available
Direct ParentChlorophenoxyacetates
Alternative Parents Phenoxy compounds  Phenol ethers  Chlorobenzenes  Alkyl aryl ethers  Aryl chlorides  Monocarboxylic acids and derivatives  Carboxylic acids  Organochlorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Chlorophenoxyacetate - Phenoxy compound - Phenol ether - Alkyl aryl ether - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Carboxylic acid derivative - Carboxylic acid - Ether - Monocarboxylic acid or derivatives - Organooxygen compound - Organic oxygen compound - Carbonyl group - Organic oxide - Organochloride - Hydrocarbon derivative - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as chlorophenoxyacetates. These are compounds containing a phenoxyacetate that carries one or more chlorine atoms on the benzene ring.
External Descriptors Auxins
3D Structure
Interactive Chemical Structure Model





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.

1 results found

Lot NumberCertificate TypeDateItem
B2311480Certificate of AnalysisAug 03, 2026 C102889
Chemical and Physical Properties
Melt Point(°C)155-156°C
Molecular Weight186.590 g/mol
XLogP32.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass186.008 Da
Monoisotopic Mass186.008 Da
Topological Polar Surface Area46.500 Ų
Heavy Atom Count12
Formal Charge0
Complexity152.000
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
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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