N-Ethylmaleimide N-Ethylmaleimide

Structural formula

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:128-53-0

MDL number:MFCD00005509

EINECS number:204-892-4

RTECS number:UX9625000

BRN number:112448

PubChem number:24278420

Physical property data

None

Toxicological data

, Acute Toxicity: Rat transperitoneal LDLO: 17mg/kg

Rat brainLDLO：1669ug/kg

Mouse transperitoneal LD5O: 25mg/kg

2, mutagenicity: Aspergillus nidulans sex chromosome defects and non-disjunction: 30umoL/L

Human HeLa cells DNA inhibition test system: 750nmoL/L

Rat liverDNA inhibition test system: 2umoL

Hamster lungDNA inhibition test system: 750nmoL/L

Ecological data

None

Molecular structure data

5. Molecular property data:

1. Molar refractive index: 31.20

2. Molar volume (m³/mol）：103.6

3. isotonic specific volume (90.2K):264.9

4. Surface Tension (dyne/cm):42.7

5. Polarizability（10^-24cm³):12.37

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 37.4

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 166

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

None

Synthesis method

None

Purpose

None

�42.7

5. Polarizability（10^-24cm³):12.37

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 37.4

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 166

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

None

Synthesis method

None

Purpose

None