retinaldehyde

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Retinal Structural Formula

Structural formula

Business number 038N
Molecular formula C20H28O
Molecular weight 284.40
label

Vitamin A aldehyde,

Enzymes

Numbering system

CAS number:116-31-4

MDL number:MFCD00001550

EINECS number:204-135-8

RTECS number:VH6407000

BRN number:None

PubChem number:24899355

Physical property data

1. Character: Undetermined


2. Density (g/mL,25) : Undetermined


3. Relative vapor density (g/mL,Air =1): Undetermined


4. Melting point ( ºC):64-65


5. Boiling point (ºC,normal pressure): Undetermined


6. Boiling point (ºC, KPa): Undetermined


7. Refractive index: Undetermined


8. Flashpoint (ºC): Undetermined


9. Specific rotation (º): Undetermined


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


11. Vapor pressure (mmHg, ºC): Undetermined


12. Saturated vapor pressure (kPa, ºC): Undetermined


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


14. Critical temperature (ºC): Undetermined


15. Critical pressure (KPa): Undetermined


16. Oil and water (octanol/Log value of the partition coefficient for water: undetermined


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


18. 7. Number of heavy atoms:21


8. Surface charge :0


9. Complexity :522


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 stereocenters of chemical bonds:4


14. Uncertain number of chemical bond stereocenters:0


15. Number of covalent bond units: 1



Properties and stability

None

Storage method

None

Synthesis method

VitaminA After being catalyzed by alcohol dehydrogenase and coenzymes I and II, cis and trans retinal are formed.

Purpose

β-Carotene intermediates .

ial”>4


14. Uncertain number of chemical bond stereocenters:0


15. Number of covalent bond units: 1



Properties and stability

None

Storage method

None

Synthesis method

VitaminA After being catalyzed by alcohol dehydrogenase and coenzymes I and II, cis and trans retinal are formed.

Purpose

β-Carotene intermediates .

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