spermidine spermidine

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:124-20-9

mdl number:mfcd00008229

einecs number:204-689-0

rtecs number:ej7000000

brn number:1698591

pubchem number:24899434

physical property data

1. boiling point: 128-130 (1866pa)

2. melting point: 22-25

3. solubility: soluble in water, alcohol and ether

4. density (d²⁵₄₎ : 0.925

5. refractive index _(n²⁰ _d): 1.4785-1.4805

6. properties: liquid, hygroscopic 7. flash point (ºc): >112

toxicological data

1. acute toxicity: oral ld3o in mice: >1gm/kg

subcutaneous ld3o in mice: 450mg/kg

intravenous ld5o in mice: 78mg/kg

2. other multi-dose toxicity: chicken oral tdlo: 9504gm/kg/14d-c

3. mutagenicity: bacillus subtilis mutation test system: 50mg/l

rat liver mutation test system: 4mmol/l

mouse ascites tumor dna inhibition test system: 2mmol/l

mouse liver dna inhibition test system: 2mmol/ l

hamster ovary dna damage test system: 300umol/l is corrosive

ecological data

none

molecular structure data

5. molecular property data:

1. molar refractive index: 45.14

2. molar volume (cm³/mol): 160.2

3. isotonic specific volume (90.2k): 396.6

4. surface tension (dyne/cm): 37.5

5. polarizability (10^-24cm³): 17.89

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): -1

2. number of hydrogen bond donors: 3

3. number of hydrogen bond acceptors: 3

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4. number of rotatable chemical bonds: 7

5. number of tautomers: none

6. topological molecule polar surface area 64.1

7. number of heavy atoms: 10

8. surface charge: 0

9. complexity: 56.8

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

1. found in oriental tobacco leaves.

storage method

storage: sealed and stored at 2~8℃

synthesis method

1. tobacco: or, 27.

purpose

.purpose: inhibit neuronal no synthase (nnos). binds and precipitates dna; also used to purify dna-binding proteins. stimulates t4 polynucleotide kinase activity. biochemical research