4-Bromomethylphenylboronic acid pinacol ester - ≥95% , CAS No.138500-85-3

CAS: 138500-85-3 Cat. No.: B120036 Molecular Weight: 297 Beilstein Registry Number: 7921808 EC Number: 679-122-7
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
FT-0643285 | AB11263 | 4-Bromomethyl phenyl boronic acid pinacol ester | AS-2400 | (4-bromomethylphenyl)boronic acid pinacol ester | EN300-124118 | 2-(4-(Bromomethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 2-(4-Bromomethyl-phenyl)-4,4,5,5-tetram
Storage
Store at 2-8°C
Shipped In
Wet ice
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Size
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Price
Qty
1g
B120036-1g
3

$16.90

$25.90
Save $9.00 (34.75%)
5g
B120036-5g
3

$21.90

$32.90
Save $11.00 (33.43%)
10g
B120036-10g
1

$26.90

$40.90
Save $14.00 (34.23%)
25g
B120036-25g
3

$49.90

$74.90
Save $25.00 (33.38%)
100g
B120036-100g
3

$177.90

$266.90
Save $89.00 (33.35%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice 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 7 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
FT-0643285 | AB11263 | 4-Bromomethyl phenyl boronic acid pinacol ester | AS-2400 | (4-bromomethylphenyl)boronic acid pinacol ester | EN300-124118 | 2-(4-(Bromomethyl)phenyl)-4, 4, 5, 5-tetramethyl-1, 3, 2-dioxaborolane | 2-(4-Bromomethyl-phenyl)-4, 4, 5, 5-tetram
Specifications & Purity
≥95%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504762701
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504762701
Canonical SmilesB1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)CBr
IUPAC Name2-[4-(bromomethyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
InChIKeyCBUOGMOTDGNEAW-UHFFFAOYSA-N
INCHI1S/C13H18BBrO2/c1-12(2)13(3,4)17-14(16-12)11-7-5-10(9-15)6-8-11/h5-8H,9H2,1-4H3
Isomeric SMILES B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)CBr
WGK Germany 3
Molecular Weight 297
Beilstein 7921808
Reaxy-Rn 7921808
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7921808&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
SubclassBenzyl halides
Intermediate Tree Nodes Not available
Direct ParentBenzyl bromides
Alternative Parents Dioxaborolanes  Boronic acid esters  Oxacyclic compounds  Organic metalloid salts  Organooxygen compounds  Organometalloid compounds  Organobromides  Hydrocarbon derivatives  Alkyl bromides  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Benzyl bromide - Boronic acid ester - 1,3,2-dioxaborolane - Boronic acid derivative - Oxacycle - Organoheterocyclic compound - Organic metalloid salt - Organobromide - Organic metalloid moeity - Organohalogen compound - Alkyl bromide - Hydrocarbon derivative - Organic oxygen compound - Organooxygen compound - Alkyl halide - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzyl bromides. These are organic compounds containing a benzene skeleton substituted with a bromomethyl group.
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.

13 results found

Lot NumberCertificate TypeDateItem
F2225044Certificate of AnalysisDec 09, 2025 B120036
F2225090Certificate of AnalysisDec 09, 2025 B120036
F2225091Certificate of AnalysisDec 09, 2025 B120036
F2225095Certificate of AnalysisDec 09, 2025 B120036
H2508147Certificate of AnalysisAug 12, 2025 B120036
D1828002Certificate of AnalysisFeb 25, 2025 B120036
I2107086Certificate of AnalysisJun 08, 2023 B120036
I2107087Certificate of AnalysisJun 08, 2023 B120036
I2107088Certificate of AnalysisJun 08, 2023 B120036
E1921130Certificate of AnalysisJan 05, 2023 B120036
L2024208Certificate of AnalysisOct 20, 2022 B120036
C2017207Certificate of AnalysisJan 19, 2022 B120036
G2307565Certificate of AnalysisJan 19, 2022 B120036

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Chemical and Physical Properties
SolubilitySoluble in Toluene
Melt Point(°C)85-89°C
Molecular Weight297.000 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass296.058 Da
Monoisotopic Mass296.058 Da
Topological Polar Surface Area18.500 Ų
Heavy Atom Count17
Formal Charge0
Complexity257.000
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
References
1. Ying Wang, Chuanjiang Jian, Yiqing Long, Xiaowen Xu, Yang Song, Zongning Yin.  (2022)  H2O2-triggered “off/on signal” nanoparticles target P-selectin for the non-invasive and contrast-enhanced theranostics for arterial thrombosis.  Acta Biomaterialia,      [PMID:36565786] [10.1016/j.actbio.2022.12.026]
2. Minglu Li, Hui Han, Shengmei Song, Shaomin Shuang, Chuan Dong.  (2021)  AIE-based fluorescent boronate probe and its application in peroxynitrite imaging.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:34118522] [10.1016/j.saa.2021.120044]
3. Yang Tian, Dong-Ye Zhou, Wen-Li Jiang, Zun-Pan She, Yongfei Li, Chun-Yan Li.  (2020)  Novel near-infrared fluorescence probe with large Stokes shift for monitoring CCl4-induced toxic hepatitis.  TALANTA,      [PMID:33303166] [10.1016/j.talanta.2020.121720]
4. Jun Li, Yun-Jie Wei, Xian-Ling Yang, Wan-Xia Wu, Meng-Qian Zhang, Meng-Yang Li, Zu-E Hu, Yan-Hong Liu, Na Wang, Xiao-Qi Yu.  (2020)  Rational Construction of a Mitochondrial Targeting, Fluorescent Self-Reporting Drug-Delivery Platform for Combined Enhancement of Endogenous ROS Responsiveness.  ACS Applied Materials & Interfaces,      [PMID:32573194] [10.1021/acsami.0c08336]
5. Wen-Xin Wang, Wen-Li Jiang, Yang Liu, Yongfei Li, Jin Zhang, Chun-Yan Li.  (2020)  Near-infrared fluorescence probe with a large stokes shift for visualizing hydrogen peroxide in ulcerative colitis mice.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2020.128296]
6. Li Ying-Ze, Lin Wen-Yue, Li Jia-Yao, Zhang Zhi-Zhuo, Gao Qing-Hua, Zhang Ming-Yu, Jiang Lin-Han, Guo Dong-Xue, Peng Yi, Feng Hong-Juan, Huang Zhi, Jia Chuan-Cheng, Huang Ling.  (2025)  Far-red-excitable ultra-long-lived organic photocatalyst for photocatalytic decaging.  Science China-Chemistry,      [PMID:] [10.1007/s11426-025-2875-x]
7. Qiaoru Zhang, Yu Wang, Tianyu Song, Mashooq Khan, Yanjun Gong, Yongxian Guo, Qiongzheng Hu.  (2025)  Molecular Structural Transformation from the D–A to D–D’ of an AIEgen for the Highly Sensitive Detection of Hydrogen Peroxide in Exhaled Breath Condensate.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2025.137124]
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