4-Bromocatechol - ≥98% , CAS No.17345-77-6

CAS: 17345-77-6 Cat. No.: B123682 Molecular Weight: 189.01 EC Number: 241-370-5
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4-bromo catechol | 4-BROMOCATECHOL | UNII-3HF58D98SY | P-BROMOPYROCATECHOL | SY007482 | 1,2-Benzenediol, 4-bromo- | DTXSID10169617 | STL555812 | 4-Bromo-1,2-benzenediol # | EN300-60832 | SCHEMBL69661 | Q229933 | 4-bromobenzene-1,2-diol | B2173 | 4-Bromo-1
Storage
Room temperature
Shipped In
Normal
Size
USA
Germany (EU)*
Price
Qty
1g
B123682-1g
3 In stock
$9.90
5g
B123682-5g
8 In stock
$23.90
25g
B123682-25g
Made to order · 8–12 wks
$60.90
100g
B123682-100g
Made to order · 8–12 wks
$242.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
4-bromo catechol | 4-BROMOCATECHOL | UNII-3HF58D98SY | P-BROMOPYROCATECHOL | SY007482 | 1,2-Benzenediol, 4-bromo- | DTXSID10169617 | STL555812 | 4-Bromo-1,2-benzenediol # | EN300-60832 | SCHEMBL69661 | Q229933 | 4-bromobenzene-1,2-diol | B2173 | 4-Bromo-1
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504753383
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753383
Canonical SmilesC1=CC(=C(C=C1Br)O)O
IUPAC Name4-bromobenzene-1,2-diol
InChIKeyAQVKHRQMAUJBBP-UHFFFAOYSA-N
INCHI1S/C6H5BrO2/c7-4-1-2-5(8)6(9)3-4/h1-3,8-9H
Isomeric SMILES C1=CC(=C(C=C1Br)O)O
Molecular Weight 189.01
Reaxy-Rn 1934810
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1934810&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
ClassPhenols
SubclassBenzenediols
Intermediate Tree Nodes Not available
Direct ParentCatechols
Alternative Parents P-bromophenols  M-bromophenols  Bromobenzenes  1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Aryl bromides  Organooxygen compounds  Organobromides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Catechol - 4-halophenol - 3-halophenol - 3-bromophenol - 4-bromophenol - Halobenzene - Bromobenzene - 1-hydroxy-2-unsubstituted benzenoid - 1-hydroxy-4-unsubstituted benzenoid - Monocyclic benzene moiety - Aryl halide - Aryl bromide - Organooxygen compound - Organobromide - Organohalogen compound - Hydrocarbon derivative - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as catechols. These are compounds containing a 1,2-benzenediol moiety.
External Descriptors catechols
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.

8 results found

Lot NumberCertificate TypeDateItem
F1417012Certificate of AnalysisDec 09, 2025 B123682
L2511132Certificate of AnalysisDec 06, 2025 B123682
L2511135Certificate of AnalysisDec 06, 2025 B123682
L2511136Certificate of AnalysisDec 06, 2025 B123682
L2511137Certificate of AnalysisDec 06, 2025 B123682
K2120238Certificate of AnalysisSep 10, 2025 B123682
K2120460Certificate of AnalysisSep 10, 2025 B123682
I1424067Certificate of AnalysisJul 18, 2022 B123682
Chemical and Physical Properties
SolubilitySoluble in Methanol
SensitivityAir Sensitive
Melt Point(°C)87°C
Molecular Weight189.010 g/mol
XLogP32.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass187.947 Da
Monoisotopic Mass187.947 Da
Topological Polar Surface Area40.500 Ų
Heavy Atom Count9
Formal Charge0
Complexity97.100
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
References
1. Min Zhao, Ting Li, Yizhan Zhang, Jiaming Gan, Yiting Zhao, Xin Yu, Lei Wang.  (2023)  Kinetic modeling and mechanisms of parahalogenated phenols degradation by UV222/H2O2.  Journal of Cleaner Production,      [PMID:] [10.1016/j.jclepro.2023.140255]
2. Zhifang Wu, Fangjie Han, Tianqi Wang, Liwei Guan, Zhishan Liang, Dongxue Han, Li Niu.  (2023)  A Recognition-Molecule-Free Photoelectrochemical Sensor Based on Ti3C2/TiO2 Heterostructure for Monitoring of Dopamine.  Biosensors-Basel,  13  (5): (526).  [PMID:37232887] [10.3390/bios13050526]
Solution Calculators
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