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2,4'-Dibromoacetophenone

CAS No.
99-73-0
Chemical Name:
2,4'-Dibromoacetophenone
Synonyms
99-73-0;2-BROMO-1-(4-BROMOPHENYL)ETHAN-1-ONE;PBPB;2-BROMO-1-(4-BROMOPHENYL)ETHANONE;4-BROMOPHENACYL BROMIDE;P-BROMOPHENACYL BROMIDE;p-bromophenacyl-8;AKOS BBS-00000865;GSK-3β Inhibitor VII;BromophenacylBromide
CBNumber:
CB4239093
Molecular Formula:
C8H6Br2O
Molecular Weight:
277.94
MDL Number:
MFCD00000200
MOL File:
99-73-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-06-04 16:00:12
Product description Number Pack Size Price
2,4′-Dibromoacetophenone for HPLC derivatization, ≥99.0% (HPLC) 68082 5g $86.8
GSK-3β Inhibitor VII 361548 5mg $190
4-Bromophenacyl Bromide [for HPLC Labeling] >99.0%(T) A5501 5g $109
4-Bromophenacyl Bromide >98.0%(GC) D0164 25g $35
2,4''-Dibromoacetophenone ≥98% 37358 10g $36
More product size

2,4'-Dibromoacetophenone Properties

Melting point 108-110 °C(lit.)
Boiling point 1415°C/760mm
Density 1.7855 (rough estimate)
refractive index 1.5560 (estimate)
storage temp. Store below +30°C.
solubility DMF: 5 mg/ml; DMSO: 2 mg/ml; Ethanol: 1 mg/ml; PBS (pH 7.2): insol
form Crystalline Solid
color Slightly yellow to beige
Water Solubility Soluble in dimethyl sulfoxide (5 mg/ml), methanol (20 mg/ml), toluene and ethanol. Insoluble in water.
Sensitive Lachrymatory
Merck 14,1427
BRN 607604
Stability Stable. Incompatible with strong bases, strong reducing agents, strong oxidizing agents.
InChI 1S/C8H6Br2O/c9-5-8(11)6-1-3-7(10)4-2-6/h1-4H,5H2
InChIKey FKJSFKCZZIXQIP-UHFFFAOYSA-N
SMILES BrCC(=O)c1ccc(Br)cc1
CAS DataBase Reference 99-73-0(CAS DataBase Reference)
FDA UNII PN0FRW1G4Z
EPA Substance Registry System Ethanone, 2-bromo-1-(4-bromophenyl)- (99-73-0)
UNSPSC Code 12352115
NACRES NA.77

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314-H290
Precautionary statements  P501-P260-P234-P264-P280-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P406-P405
PPE Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  UN 3261 8/PG 2
WGK Germany  2
RTECS  AM6950000
19-21
Hazard Note  Corrosive/Lachrymatory
TSCA  TSCA listed
HazardClass  8
PackingGroup  III
HS Code  29147090
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Skin Corr. 1B
Limited Quantities 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
0
3 0

2,4'-Dibromoacetophenone price More Price(78)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 68082 2,4′-Dibromoacetophenone for HPLC derivatization, ≥99.0% (HPLC) 99-73-0 5g $86.8 2026-04-30 Buy
Sigma-Aldrich 361548 GSK-3β Inhibitor VII 99-73-0 5mg $190 2026-04-30 Buy
TCI Chemical A5501 4-Bromophenacyl Bromide [for HPLC Labeling] >99.0%(T) 99-73-0 5g $109 2026-04-30 Buy
TCI Chemical D0164 4-Bromophenacyl Bromide >98.0%(GC) 99-73-0 25g $35 2026-04-30 Buy
Cayman Chemical 37358 2,4''-Dibromoacetophenone ≥98% 99-73-0 10g $36 2026-04-30 Buy
Product number Packaging Price Buy
68082 5g $86.8 Buy
361548 5mg $190 Buy
A5501 5g $109 Buy
D0164 25g $35 Buy
37358 10g $36 Buy

2,4'-Dibromoacetophenone Chemical Properties,Uses,Production

Chemical Properties

2,4'-Dibromoacetophenone is off-white crystals or powder

Uses

Undergoes condensation reactions with aldehydes in the presence of SnCl21 or SmI32 to afford α,β-unsaturated ketones. Also useful in the esterification of carboxylic acids.3

Uses

Identification of carboxylic acids.

Uses

2,4'-Dibromoacetophenone is used as a reagent for analysis of fatty acids by HPLC as 4-bromophenacyl esters, for use in the protection of phenols and carboxylic acids. It undergoes condensation reactions with aldehydes in the presence of SnCl2 or SmI3 to afford α,β-unsaturated ketones. It is also useful in the esterification of carboxylic acids.

General Description

A phenyl α-bromomethyl ketone compound that acts as a cell-permeable, and non-ATP competitive inhibitor of GSK-3β (IC50 = 0.5 μM). This reactive alkylating agent is selective towards GSK-3β and does not affect PKA activity even at concentrations as high as 100 μM.

Biochem/physiol Actions

Cell permeable: yes

Purification Methods

Crystallise the bromide from EtOH (ca 8mL/g). [Beilstein 7 IV 652.]

13195-79-4
99-73-0
Synthesis of 2,4'-Dibromoacetophenone from ALPHA,ALPHA,4-TRIBROMOACETOPHENONE
Global( 268)Suppliers
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Hebei Chuanghai Biotechnology Co., Ltd
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Shaanxi Haibo Biotechnology Co., Ltd
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View Lastest Price from 2,4'-Dibromoacetophenone manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,4'-Dibromoacetophenone pictures 2026-03-20 2,4'-Dibromoacetophenone
99-73-0
$10.00 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
2,4′-dibromoacetophenone 2 pictures 2024-04-15 2,4′-dibromoacetophenone 2
99-73-0
$1.00-100.00 100mg 0.99 5ton/month ANHUI SHENGZHIKAI BIOTECHNOLOGY CO.,LTD
2,4'-Dibromoacetophenone pictures 2024-04-12 2,4'-Dibromoacetophenone
99-73-0
1kg 99% 2000ton Shaanxi Haibo Biotechnology Co., Ltd
P-BROMOPHENACYL BROMIDE OMEGA-BROMOACETOPHENONE bromomethyl4-bromophenylketone bromomethylp-bromophenylketone omega,4-dibromoacetophenone p,alpha-dibromoacetophenone p-bromophenacyl-8 p-Dibromoacetophenone 2,4’-dibromo-acetophenon 2-bromo-1-(4-bromophenyl)-ethanon 4,alpha-dibromoacetophenone 4-bromo(bromoacetyl)benzene -4-Dibromoacetophenone 4-BROMOPHENACYL BROMIDE [FOR HPLC LABELING] 4-BROMOPHENACYL BROMIDE (2,4''-DIBROMOACETOPHENONE) 2,4'-Dibromoacetophenone, 98+% PARA-BROMOPHENACYLBROMIDE Acetophenone, 2,4'-dibromo 2,4'-Dibromoacetophenone GSK-3β Inhibitor VII 2,4′-Dibromoacetophenone,4′-Bromophenacyl bromide 2-Bromo-4'-bromoacetophenone 4-Bromophenacyl Bromide 99% Ar GSK-3β Inhibitor VII - CAS 99-73-0 - Calbiochem a,4-Dibromoacetophenone 4-BROMOPHENACYL BROMIDE, FOR FLUOR-ESCEN CE BromophenacylBromide 4-BromophenacylBromide98% 4-Bromophenacyl Bromide 98% Ethanone, 2-bromo-1-(4-bromophenyl)- à-4-dibromoacetophenone ω.ρ-Dibromoacetoplenone 2,4'-DibroMo-acetophenone > 2,4- twobroMoacetophenone 2,4'-DibroMoacetophenone, 97+% 99-73-0 2,4'-Dibromoacetophenone puriss., >=98.5% (HPLC) ALPHA,4'-DIBROMOACETOPHENONE ALPHA-4-DIBROMOACETOPHENONE ALPHA,P-DIBROMOACETOPHENONE AKOS BBS-00000865 4'-BROMOPHENACYL BROMIDE 4,OMEGA-DIBROMOACETOPHENONE 2-BROMO-1-(4-BROMOPHENYL)ETHAN-1-ONE A,P-DIBROMOACETOPHENONE GSK-3BETA INHIBITOR VII DIBROMOACETOPHENONE-2,4 Platinum oxide monohydrate (IV) 4-Bromophenacyl Bromide > 4-Bromophenacyl Bromide [for HPLC Labeling]> 2,4'-DIBROMOACETOPHENONE FOR SYNTHESIS 2,4′-dibromoacetophenone 2 4’-BROMO PHENACYL BROMIDE GSK-3beta Inhibitor VII (4-Bromophenacyl bromide), GSK-3beta inhibitor GSK-3β Inhibitor VII 2,4'-Dibromoacetophenone, 95% 2-BROMO-1-(4-BROMOPHENYL)ETHANONE 4-BROMOPHENACYL BROMIDE