3,4-Dichlorocatechol , CAS No.3978-67-4

CAS: 3978-67-4 Cat. No.: D1333883 Formula: C6H4Cl2O2 Molecular Weight: 179 EC Number: 690-118-4
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1mg
D1333883-1mg
Made to order · 8–12 wks
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Why this grade

for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

Specifications

Storage
Room temperature
Shipped In
Normal
Action Type
INHIBITOR
Names and Identifiers
Canonical SmilesC1=CC(=C(C(=C1O)O)Cl)Cl
IUPAC Name3,4-dichlorobenzene-1,2-diol
InChIKeyHFSXRRTUWAPWSJ-UHFFFAOYSA-N
INCHI1S/C6H4Cl2O2/c7-3-1-2-4(9)6(10)5(3)8/h1-2,9-10H
Molecular Weight 179

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
SuperclassBenzenoids
ClassPhenols
SubclassBenzenediols
Intermediate Tree Nodes Catechols - Chlorocatechols
Direct Parent4-chlorocatechols
Alternative Parents 3-chlorocatechols  P-chlorophenols  O-chlorophenols  M-chlorophenols  Dichlorobenzenes  1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Aryl chlorides  Organooxygen compounds  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents 3-chlorocatechol - 4-chlorocatechol - 4-chlorophenol - 1,2-dichlorobenzene - 2-chlorophenol - 3-chlorophenol - 2-halophenol - 3-halophenol - 4-halophenol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Hydrocarbon derivative - Organic oxygen compound - Organooxygen compound - Organochloride - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 4-chlorocatechols. These are chlorocatechols with the chlorine atom attached at position C4 of 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:
Chemical and Physical Properties
Molecular Weight179.000 g/mol
XLogP32.800
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass177.959 Da
Monoisotopic Mass177.959 Da
Topological Polar Surface Area40.500 Ų
Heavy Atom Count10
Formal Charge0
Complexity120.000
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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