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N-Succinimidyl maleimidoacetate

Product Name
N-Succinimidyl maleimidoacetate
CAS No.
55750-61-3
Chemical Name
N-Succinimidyl maleimidoacetate
Synonyms
2,5-Dioxopyrrolidin-1-yl 2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetate;Azido-PEG1-Val-Cit-PABC-PNP;MaleiMidoacetic;N-SMP;AMAS, 10 mM in DMSO;a-Maleimidoacetic acid-NHS;N-(α-MaleiMidoacetoxy)succiMide;N-SUCCINIMIDYL MALEIMIDOACETATE;a-MaleiMidoacetic acid-NHS(AMAS);N-(α-Maleimidoacetoxy)succinimide
CBNumber
CB1201178
Molecular Formula
C10H8N2O6
Formula Weight
252.18
MOL File
55750-61-3.mol
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N-Succinimidyl maleimidoacetate Property

Melting point:
174-175°C
Boiling point:
430.1±47.0 °C(Predicted)
Density 
1.63±0.1 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Store in freezer, under -20°C
solubility 
Chloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly, Heated)
pka
-2.69±0.20(Predicted)
form 
Solid
color 
White to Off-White
InChI
InChI=1S/C10H8N2O6/c13-6-1-2-7(14)11(6)5-10(17)18-12-8(15)3-4-9(12)16/h1-2H,3-5H2
InChIKey
TYKASZBHFXBROF-UHFFFAOYSA-N
SMILES
N1(CC(ON2C(=O)CCC2=O)=O)C(=O)C=CC1=O
CAS DataBase Reference
55750-61-3
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
HS Code 
29280000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
M3884
Product name
Maleimidoacetic acid N-hydroxysuccinimide ester
Purity
≥95%
Packaging
10mg
Price
$118
Updated
2025/07/31
TCI Chemical
Product number
S0968
Product name
N-Succinimidyl Maleimidoacetate
Packaging
20mg
Price
$110
Updated
2024/03/01
TCI Chemical
Product number
S0968
Product name
N-Succinimidyl Maleimidoacetate
Packaging
100mg
Price
$314
Updated
2025/07/31
Cayman Chemical
Product number
17160
Product name
Maleimidoacetic Acid N-hydroxysuccinimide ester
Purity
≥95%
Packaging
5mg
Price
$44
Updated
2024/03/01
Cayman Chemical
Product number
17160
Product name
Maleimidoacetic Acid N-hydroxysuccinimide ester
Purity
≥95%
Packaging
10mg
Price
$78
Updated
2024/03/01
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N-Succinimidyl maleimidoacetate Chemical Properties,Usage,Production

Chemical Properties

White Crystalline Solid

Uses

Maleimidoacetic acid N-hydroxysuccinimide ester is a crosslinking reagent that contains NHS ester- and maleimide-reactive groups at the opposite ends of a 4.4 ? spacer arm. This configuration allows for sequential, two-stage conjugation with amine and sulfhydryl functional groups in the preparation of protein-hapten or protein-protein conjugates.

Uses

A hetero-bifunctional cross-linking reagent for the preparation of protein-protein or protein-hapten conjugates.

reaction suitability

reagent type: linker

Synthesis

6066-82-6

17686-36-1

55750-61-3

GENERAL STEPS: To a 500 mL three-necked flask was added N-maleimidoacetic acid (94 g, 0.6 mol) and 300 mL of methylene chloride, followed by oxalyl chloride (90 g, 0.72 mol). The reaction mixture was heated to reflux and a large amount of gas was observed to be released. After 2 hours of reaction, the solution became clarified. Subsequently, dichloromethane and excess oxalyl chloride were removed by concentration. 200 mL of dichloromethane was added to wash and remove the residual acid to give the crude product N-maleimidoacetyl chloride. The crude product was dissolved in 200 mL of dichloromethane. In another vessel, N-hydroxysuccinimide (69 g, 0.6 mol) and triethylamine (80.8 g, 0.8 mol) were dissolved in 300 mL of dichloromethane and the reaction temperature was controlled to be no more than 20° C. under the cooling of an ice water bath. A dichloromethane solution of the above N-maleimidoacetyl chloride was slowly added dropwise to this mixture and the dropwise process lasted for 2 hours. Upon completion of the reaction, the reaction solution was washed with 200 mL of water to remove the triethylamine hydrochloride, followed by 100 mL of 1N hydrochloric acid to remove excess triethylamine, and finally with 200 mL of saturated brine. The organic phase was dried and concentrated to dryness to give 137 g of white solid. Purification by recrystallization in a mixed solvent of ethyl acetate and petroleum ether resulted in 116 g of white solid with 98.7% HPLC purity and 76.7% yield.

IC 50

Non-cleavable Linker

References

[1] Patent: CN105037237, 2017, B. Location in patent: Paragraph 0071-0074

N-Succinimidyl maleimidoacetate Preparation Products And Raw materials

Raw materials

Preparation Products

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N-Succinimidyl maleimidoacetate Suppliers

Suzhou Highfine Biotech Co., Ltd
Tel
0512-69209928 18796809688
Fax
0512-68417696
Email
zhouyingxiang@highfine.com
Country
China
ProdList
475
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75
Bide Pharmatech Ltd.
Tel
400-164-7117 13681763483
Fax
+86-21-61629029
Email
product02@bidepharm.com
Country
China
ProdList
39966
Advantage
60
J & K SCIENTIFIC LTD.
Tel
18210857532; 18210857532
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
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76
3B Pharmachem (Wuhan) International Co.,Ltd.
Tel
821-50328103-801 18930552037
Fax
86-21-50328109
Email
3bsc@sina.com
Country
China
ProdList
15838
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69
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
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81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44801
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61
Shijiazhuang Sdyano Fine Chemical Co., Ltd.
Tel
0311-89250318 031166536426
Fax
4000311741
Email
master@sjzsdyn.com
Country
China
ProdList
2806
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65
Beijing Ouhe Technology Co., Ltd
Tel
010-010-82967028 13522913783
Fax
+86-10-82967029
Email
2355560935@qq.com
Country
China
ProdList
12000
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60
Jia Xing Isenchem Co.,Ltd
Tel
0573-85285100 18627885956
Fax
0573-85285100
Email
isenchem@163.com
Country
China
ProdList
9310
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66
Nanjing Habo Medical Technology Co., Ltd.
Tel
025-85760892 13376080562
Fax
025-85766769
Email
sales@habotech.com
Country
China
ProdList
884
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60
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View Lastest Price from N-Succinimidyl maleimidoacetate manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
N-Succinimidyl maleimidoacetate 55750-61-3
Price
US $0.00-0.00/g
Min. Order
5g
Purity
98.13%
Supply Ability
10kg
Release date
2025-07-10
Zhuozhou Wenxi import and Export Co., Ltd
Product
N-Succinimidyl maleimidoacetate 55750-61-3
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10
Zhuozhou Wenxi import and Export Co., Ltd
Product
N-Succinimidyl maleimidoacetate 55750-61-3
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-08

55750-61-3, N-Succinimidyl maleimidoacetateRelated Search:


  • MALEIMIDOACETIC ACID N-HYDROXYSUCCINIMIDE ESTER
  • N-SUCCINIMIDYL MALEIMIDOACETATE
  • a-Maleimidoacetic acid-NHS
  • N-(α-Maleimidoacetoxy)succinimide Ester(AMAS)
  • 1-[2-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-2-oxoethyl]-1H-pyrrole-2,5-dione
  • N-(α-MaleiMidoacetoxy)succiMide
  • 1H-Pyrrole-2,5-dione, 1-[2-[(2,5-dioxo-1-pyrrolidinyl)oxy]-2-oxoethyl]-
  • MaleiMidoacetic
  • a-MaleiMidoacetic acid-NHS(AMAS)
  • 2,5-Dioxopyrrolidin-1-yl 2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetate
  • AMAS N-Succinimidyl maleimidoacetate
  • 2,5-Dioxopyrrolidin-1-yl 2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)
  • N-SMP
  • N-(α-Maleimidoacetoxy)succinimide
  • N-SuccinimidylMaleimidoacetate&gt
  • 1H-Pyrrole-1-acetic acid, 2,5-dihydro-2,5-dioxo-, 2,5-dioxo-1-pyrrolidinyl ester
  • N-(alpha-Maleimidoacetoxy)succinimide
  • Azido-PEG1-Val-Cit-PABC-PNP
  • Maleimidyl acetate succinimidyl ester
  • N-(alfa-Maleimidoacetoxy)succinimide
  • ADC Linkers,Inhibitor,AMAS,inhibit,Antibody-drug conjugates linkers
  • (2,5-dioxopyrrolidin-1-yl) 2-(2,5-dioxopyrrol-1-yl)acetate
  • AMAS, 10 mM in DMSO
  • N-(α-Maleimidoacetoxy)succinimide
  • 55750-61-3
  • C10H8N2O6
  • BioChemical
  • Proteomics and Protein Expression
  • Proteomics
  • Protein Modification
  • Heterobifunctional Cross-Linking Reagents
  • Crosslinking
  • Nitric Oxide Reagents
  • Cross Linking Reagents
  • Maleimide Derivatives
  • Crosslinking
  • Heterobifunctional Cross-Linking Reagents
  • Protein Modification
  • Cross Linking Reagents,Maleimide Derivatives
  • MTS & Sulfhydryl Active Reagents