n-acetyl-l-methionine n-acetyl-l-methionine

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:65-82-7

mdl number:mfcd00064441

einecs number:200-617-7

rtecs number:pd0480000

brn number:1725552

pubchem number:24845156

physical property data

1. character:colorless or glossy white crystals or white powder. odorless or nearly odorless

2. density (g/ml,25/4℃): unsure

3. relative vapor density (g/ml,air=1): unsure

4. melting point (ºc):103 -106

5. boiling point (ºc,normal pressure): uncertain

6. boiling point (ºc, 5.2kpa): unsure

7. refractive index:-21 ° (c=1, h2o)

8. flash point (ºc): unsure

9. specific optical rotation (º):-20 º (c=4 h2o)

10. autoignition point or ignition temperature (ºc): unsure

11. vapor pressure (kpa,25ºc): unsure

12. 17. explosion upper limit (%,v/v): unsure

18. lower explosion limit (%,v/v): unsure

19. solubility:soluble in water, ethanol, alkaline solution and dilute inorganic acid, almost insoluble in ether

toxicological data

acute toxicity: mouse intravenous ld50: 435 mg/kg;

ecological data

none yet

molecular structure data

1. molar refractive index:47.62

2. molar volume (m³/mol）：158.9

3. isotonic specific volume (90.2k):413.5

4. surface tension (dyne/cm):45.7

5. polarizability（10^-24cm³):18.87

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): none

2. number of hydrogen bond donors: 2

3. number of hydrogen bond acceptors: 4

4. number of rotatable chemical bonds: 5

5. number of tautomers: 2

6. topological molecule polar surface area 91.7

7. number of heavy atoms: 12

8. surface charge: 0

9. complexity: 172

10. number of isotope atoms: 0

11. determine the number of atomic stereocenters: 1

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 yet

storage method

byl-methionine is acetylated with excess acetic acid or acetic anhydride .

synthesis method

none yet

purpose

nutritional supplements.

” align=left> 3. isotonic specific volume (90.2k):413.5

4. surface tension (dyne/cm):45.7

5. polarizability（10^-24cm³):18.87

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): none

2. number of hydrogen bond donors: 2

3. number of hydrogen bond acceptors: 4

4. number of rotatable chemical bonds: 5

5. number of tautomers: 2

6. topological molecule polar surface area 91.7

7. number of heavy atoms: 12

8. surface charge: 0

9. complexity: 172

10. number of isotope atoms: 0

11. determine the number of atomic stereocenters: 1

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 yet

storage method

byl-methionine is acetylated with excess acetic acid or acetic anhydride .

synthesis method

none yet

purpose

nutritional supplements.