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MS-39

CAS No.
2675490-92-1
Chemical Name:
MS-39
Synonyms
L-Prolinamide, N-[11-[4-[3-[[4-[(3-chloro-4-fluorophenyl)amino]-7-methoxy-6-quinazolinyl]oxy]propyl]-1-piperazinyl]-1,11-dioxoundecyl]-3-methyl-L-valyl-4-hydroxy-N-[[4-(4-methyl-5-thiazolyl)phenyl]methyl]-, (4R)-;(2S,4R)-1-((S)-2-(11-(4-(3-((4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)oxy)propyl)piperazin-1-yl)-11-oxoundecanamido)-3,3-dimethylbutanoyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide
CBNumber:
CB714129356
Molecular Formula:
C55H71ClFN9O7S
Molecular Weight:
1056.73
MDL Number:
MOL File:
2675490-92-1.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 02:26:46

MS-39 Properties

Boiling point 1150.624±65.00 °C(Press: 760.00 Torr)(predicted)
Density 1.266±0.06 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
pka 14.078±0.40(predicted)
form Solid
color White to off-white

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319
Precautionary statements  P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

MS-39 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
ChemScene CS-0996166 MS39 99.89% 2675490-92-1 1mg $217 2026-06-04 Buy
ChemScene CS-0996166 MS39 99.89% 2675490-92-1 5mg $433 2026-06-04 Buy
ChemScene CS-0996166 MS39 99.89% 2675490-92-1 10mg $704 2026-06-04 Buy
ChemScene CS-0996166 MS39 99.89% 2675490-92-1 25mg $1408 2026-06-04 Buy
ChemScene CS-0996166 MS39 99.89% 2675490-92-1 50mg $2275 2026-06-04 Buy
Product number Packaging Price Buy
CS-0996166 1mg $217 Buy
CS-0996166 5mg $433 Buy
CS-0996166 10mg $704 Buy
CS-0996166 25mg $1408 Buy
CS-0996166 50mg $2275 Buy

MS-39 Chemical Properties, Uses, Production

Uses

MS39 (compound 6) is a PROTAC targeting EGFR. MS39 is composed of PROTAC target protein ligand N-(3-Chloro-4-fluorophenyl)-7-methoxy-6-(3-(piperazin-1-yl)propoxy)quinazolin-4-amine (HY-W109039) (red part), E3 ligase ligand (S,R,S)-AHPC (HY-125845) (blue part) and PROTAC Linker Undecanedioic acid (HY-W014125) (black part), among which the conjugate of E3 ubiquitin ligase ligand + Linker is (S,R,S)-AHPC-CO-C9-acid (HY-139345). MS39 reduces the expression of EGFR and downstream signaling in HCC-827 and H3255 cells. MS39 inhibits the proliferation of H3255 cells[1].

References

[1] Cheng M, et al. Discovery of Potent and Selective Epidermal Growth Factor Receptor (EGFR) Bifunctional Small-Molecule Degraders. J Med Chem. 2020 Feb 13;63(3):1216-1232. DOI:10.1021/acs.jmedchem.9b01566

MS-39 Preparation Products And Raw materials

Raw materials

Preparation Products

MS-39 Suppliers

Global Suppliers ( 9)
Supplier Tel Email Country ProdList Advantage
Tianjin Kailiqi Biotechnology Co., Ltd. 15076683720 klq@cw-bio.com China 9777 55
Nantong QuanYi Biotechnology Co., Ltd 0513-66337626 18051384581 sales@chemhifuture.com China 5985 58
Jilin Chinese Academy of Sciences-yanshen Technology 18143011203 ET-market@chemextension.com China 38921 58
Shandong Dayou Pharmaceutical Research and Development Co., Ltd. hanfangpharma@126.com 15165037910 hanfangpharma@126.com China 25800 58
TargetMol Chemicals Inc. 15002134094 marketing@targetmol.cn China 29873 58
Aikon International Limited 025-58859352 18651614124 2881516338@qq.com China 9968 58
Henan Inokai New Materials Co., Ltd 15090072163 3921118937@qq.com China 2676 58
Guangzhou Ruidi Biotechnology Co., Ltd. 020-82099279 18988941402 sales@ubiochem.com China 9998 58
L-Prolinamide, N-[11-[4-[3-[[4-[(3-chloro-4-fluorophenyl)amino]-7-methoxy-6-quinazolinyl]oxy]propyl]-1-piperazinyl]-1,11-dioxoundecyl]-3-methyl-L-valyl-4-hydroxy-N-[[4-(4-methyl-5-thiazolyl)phenyl]methyl]-, (4R)- (2S,4R)-1-((S)-2-(11-(4-(3-((4-((3-Chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)oxy)propyl)piperazin-1-yl)-11-oxoundecanamido)-3,3-dimethylbutanoyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide 2675490-92-1