Lanosterol Lanosterol

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:79-63-0

MDL number:MFCD00021108

EINECS number:201-214-9

RTECS number:OE3360000

BRN number:2226449

PubChem number:24896417

Physical property data

1. Properties: White crystal.

2. Density (g/mL, 20/4℃): 0.98

3. Relative vapor density (g/mL, air=1): Uncertain

4. Melting point (ºC): 138～140℃

5. Boiling point (ºC, normal pressure) uncertain

6. Boiling point (ºC, 5.2kPa): Uncertain Confirm

7. Refractive index _(n²⁰_D): 1.53

8. Flash Point (ºC): 221.1

9. Specific rotation (º): [α]_D²⁰ +62.0° (in chloroform).

10. Autoignition point or ignition temperature (ºC): Uncertain

11. Vapor pressure (kPa, 25ºC): Uncertain

12. Saturation Vapor pressure (kPa, 60ºC): Uncertain

13. Heat of combustion (KJ/mol): Uncertain

14. Critical temperature (ºC): Uncertain

15. Critical pressure (KPa): Uncertain

16. Log value of oil-water (octanol/water) partition coefficient: Uncertain

17. Explosion upper limit (% , V/V): Uncertain

18. Lower explosion limit (%, V/V): Uncertain

19. Solubility: Soluble in ether, ethanol, chloroform, insoluble Yu Shui

Toxicological data

Mammalian gastrointestinal TDLO: 1819 ug/kgSEX/DURATION

It is the precursor of many sterol compounds.

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 133.40

2. Molar volume (cm³/mol): 431.8

3. Isotonic specific volume (90.2K ): 1071.9

4. Surface tension (dyne/cm): 37.9

5. Polarizability (10^-24cm³): 52.88

Compute chemical data

1. Number of hydrogen bond donors: 1

2. Number of hydrogen bond acceptors: 1

3. Number of rotatable chemical bonds: 4

4. Topological molecular polar surface area (TPSA): 20.2

5, Number of heavy atoms: 31

6, Surface charge: 0

7, Complexity: 767

8, Number of isotope atoms: 0

9. Determine the number of atomic stereocenters: 7

10. Uncertain number of atomic stereocenters: 0

11. Determine the number of chemical bond stereocenters: 0

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12. The number of uncertain stereocenters of chemical bonds: 0

13. The number of covalent bonding units: 1

Properties and stability

1. Found in flue-cured tobacco leaves.

Storage method

This product should be sealed and stored in a cool place. Storage temperature-20ºC

Synthesis method

1. Obtain crystals from methanol-acetone and needle crystals from ethanol.

2. Tobacco: FC, 8; prepared by cyclization of squalene.

Purpose

For research on arteriosclerosis.