structural formula
| business number | 03lk |
|---|---|
| molecular formula | c6h7no2 |
| molecular weight | 125.13 |
| label |
1-ethyl-1h-pyrrole-2,5-dione, n-ethyl anhydrous malimide, n-ethylmaleimide, 1-ethyl-1h-pyrrole-5-dione, enzymes·proteins·peptides |
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
