Toluene diisocyanate manufacturer Knowledge 17α-Estradiol 17α-Estradiol

17α-Estradiol 17α-Estradiol

17α-estradiol structural formula

Structural formula

Business number 0193
Molecular formula C18H24O2
Molecular weight 272.38
label

1,3,5(10)estratriene-3,17α-diol,

1,3,5(10)-Estratriene-3,17α-diol,

3,17α-Dihydroxy-1,3,5(10)-estratriene

Numbering system

CAS number:57-91-0

MDL number:MFCD00064144

EINECS number:200-354-8

RTECS number:KG3750000

BRN number:None

PubChem number:24894682

Physical property data

1. Character: Hemihydrate is Needle crystal(80%Ethanol).


2. Density ( g/mL,25/4℃) :1.04


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


4. Melting point ( ºC): 220~223


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


6. Boiling point ( ºC, 1.33Pa :Undetermined


7. Refractive Index: Undetermined


8. Flashpoint (ºC): Undetermined


9. Specific optical rotation (º): +53°56°(c=0.9, dioxane Ring)


10. Autoignition point or ignition temperature (ºC): Not OK


11. Vapor pressure (kPa,25ºC<SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-asci

5. Molecular property data:


1. Molar refractive index: 79..50


2. Molar Volume (m3/mol):232.6


3. isotonic specific volume (90.2K):615.4


4. Surface Tension (dyne/cm):48.9


5. Polarizability(10-24cm3): 31.51


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: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 9

6. Topological molecule polar surface area 40.5

7. Number of heavy atoms: 20

8. Surface charge: 0

9. Complexity: 382

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 5

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

Punica granatum L. from the family Pomegranaceae(Punica granatum L.).

Purpose

Treatment of functional uterine bleeding, primary amenorrhea, menopausal syndrome, etc.

MILY: Arial”>31.51


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: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 9

6. Topological molecule polar surface area 40.5

7. Number of heavy atoms: 20

8. Surface charge: 0

9. Complexity: 382

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 5

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

Punica granatum L. from the family Pomegranaceae(Punica granatum L.).

Purpose

Treatment of functional uterine bleeding, primary amenorrhea, menopausal syndrome, etc.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/22360

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