The Molecular formula of 3-Maleimidobenzoic acid N-hydroxysuccinimide ester (58626-38-3):C₁₅H₁₀N₂O₆   
The Molecular Weight of 3-Maleimidobenzoic acid N-hydroxysuccinimide ester (58626-38-3):314.25
The Molecular Structure of 3-Maleimidobenzoic acid N-hydroxysuccinimide ester (58626-38-3) is:
Density:1.59 g/cm³ 
Melting point:175-177 ^°C(lit.)
Boiling point:524.5 ^°C at 760 mmHg
Flash point:271 ^°C    
Index of Refraction:1.678
Molar Refractivity:74.33 cm³  
Molar Volume:197 cm³ 
Polarizability:29.46 10^-24cm³  
Surface Tension:80.2 dyne/cm 
Enthalpy of Vaporization:79.84 kJ/mol 
Vapour Pressure:4.29E-11 mmHg at 25^°C 
Appearance: crystalline 
IUPAC Name: (2,5-dioxopyrrolidin-1-yl) 3-(2,5-dioxopyrrol-1-yl)benzoate
Synonyms: MBS;3-MALEIMIDOBENZOIC ACID N-SUCCINIMIDYL ESTER;3-MALEIMIDOBENZOYL-N-HYDROXYSUCCINIMIDE ESTER;3-N-MALEIMIDOBENZOIC ACID N-SUCCINIMIDYL ESTER;3-(2,5-DIOXO-2,5-DIHYDRO-PYRROL-1-YL)-BENZOIC ACID 2,5-DIOXO-PYRROLIDIN-1-YL ESTER;3-(2,5-DIOXO-2,5-DIHYDRO-PYRROL-1-YL)-BENZOIC ACID N-HYDROXY-SUCCINIMIDYL ESTER;3-(2,5-DIOXO-2,5-DIHYDRO-PYRROL-1-YL)-BENZOIC ACID-OSU;3-MALEIMIDOBENZOIC ACID N-HYDROXYSUCCINIMIDE ESTER

A heterobifunctional coupling reagent useful for forming enzyme immunoconjugates. The reactive groups are the NHS ester and maeimide. Spacer Arm: 9.9 Angstrom.
 

Hazard Codes:Xi:
Risk Statements
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany:3
F:10-21
F10:Keep under argon.
F21:Sensitive to humidity.
 

solubility: ethyl acetate or DMF: ≤20 mg/mL may require addition of solvent to coupling buffer to at least 5% to maintain solubility
storage temp:-20°C