The 4-Maleimidobutyric acid N-hydroxysuccinimide ester with cas registry number of 80307-12-6, belongs to the following product categories: (1)Maleimide Derivatives; (2)N-Substituted Maleimides; (3)N-Substituted Maleimides, Succinimides & Phthalimides; (4)N-Substituted Succinimides; (5)Cross Linking Reagents; (6)MTS & Sulfhydryl Active Reagents. And its systematic name is 1-{4-[(2,5-dioxopyrrolidin-1-yl)oxy]-4-oxobutyl}-1H-pyrrole-2,5-dione.
 

Physical properties about this chemical are: (1)ACD/LogP: -1.56; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.56; (4)ACD/LogD (pH 7.4): -1.56; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 3.38; (8)ACD/KOC (pH 7.4): 3.38; (9)#H bond acceptors: 8; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 101.06 Å²; (13)Index of Refraction: 1.594; (14)Molar Refractivity: 63.51 cm³; (15)Molar Volume: 187 cm³; (16)Polarizability: 25.18×10^-24cm³; (17)Surface Tension: 68.5 dyne/cm; (18)Enthalpy of Vaporization: 72.22 kJ/mol; (19)Vapour Pressure: 1.08E-08 mmHg at 25°C.

Uses of 4-Maleimidobutyric acid N-hydroxysuccinimide ester: a short, sulfhydryl and amino reactive heterobifunctional crosslinking reagent. introduces maleimide groups into IgM.

When you are using this chemical, please be cautious about it as the following:
The 4-Maleimidobutyric acid N-hydroxysuccinimide ester irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure: 
(1)SMILES:O=C2N(OC(=O)CCCN1C(=O)\C=C/C1=O)C(=O)CC2;
(2)InChI:InChI=1/C12H12N2O6/c15-8-3-4-9(16)13(8)7-1-2-12(19)20-14-10(17)5-6-11(14)18/h3-4H,1-2,5-7H2;
(3)InChIKey:PVGATNRYUYNBHO-UHFFFAOYAR;
(4)Std. InChI:InChI=1S/C12H12N2O6/c15-8-3-4-9(16)13(8)7-1-2-12(19)20-14-10(17)5-6-11(14)18/h3-4H,1-2,5-7H2;
(5)Std. InChIKey:PVGATNRYUYNBHO-UHFFFAOYSA-N.