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Combretastatin A4

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Name

Combretastatin A4

EINECS N/A
CAS No. 117048-59-6 Density 1.184 g/cm3
PSA 57.15000 LogP 3.59700
Solubility N/A Melting Point 84.5-85.5 °C
Formula C18H20O5 Boiling Point 490.269 °C at 760 mmHg
Molecular Weight 316.354 Flash Point 250.306 °C
Transport Information UN 2811 Appearance crystalline powder
Safety 26-36/37-39-45 Risk Codes 23/24/25-41
Molecular Structure Molecular Structure of 117048-59-6 (COMBRETASTATIN A-4) Hazard Symbols
Synonyms

Phenol,2-methoxy-5-[2-(3,4,5-trimethoxyphenyl)ethenyl]-, (Z)-;CRC 87-09;Combretastatin 4;NSC 613729;NSC 817373;

Article Data 63

Combretastatin A4 Chemical Properties

Molecule structure of Combretastatin A-4 (CAS NO.117048-59-6):

IUPAC Name: 2-Methoxy-5-[(E)-2-(3,4,5-trimethoxyphenyl)ethenyl]phenol 
Molecular Weight: 316.3484 g/mol
Molecular Formula: C18H20O5 
Density: 1.184 g/cm3
Melting Point: 84.5-85.5 °C 
Boiling Point: 490.3 °C at 760 mmHg 
Flash Point: 250.3 °C
Index of Refraction: 1.607
Molar Refractivity: 92.24 cm3
Molar Volume: 267 cm3
Surface Tension: 42.9 dyne/cm 
Enthalpy of Vaporization: 78.55 kJ/mol
Vapour Pressure: 3.09E-10 mmHg at 25 °C
XLogP3-AA: 3.7
H-Bond Donor: 1
H-Bond Acceptor: 5
Rotatable Bond Count: 6
Tautomer Count: 3
Exact Mass: 316.131074
MonoIsotopic Mass: 316.131074
Topological Polar Surface Area: 57.2
Heavy Atom Count: 23
Canonical SMILES: COC1=C(C=C(C=C1)C=CC2=CC(=C(C(=C2)OC)OC)OC)O
Isomeric SMILES: COC1=C(C=C(C=C1)/C=C/C2=CC(=C(C(=C2)OC)OC)OC)O
InChI: InChI=1S/C18H20O5/c1-20-15-8-7-12(9-14(15)19)5-6-13-10-16(21-2)18(23-4)17(11-13)22-3/h5-11,19H,1-4H3/b6-5+
InChIKey: HVXBOLULGPECHP-AATRIKPKSA-N
Product Categories: Inhibitors; Combretastatin

Combretastatin A4 Safety Profile

Hazard Codes: ToxicT
Risk Statements: 23/24/25-41 
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. 
R41:Risk of serious damage to the eyes.
Safety Statements: 26-36/37-39-45 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37:Wear suitable protective clothing and gloves. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2811 

Combretastatin A4 Specification

 Combretastatin A-4 (CAS NO.117048-59-6) is also named as 1-(3,4,5-Trimethoxyphenyl)-2-(3'-hydroxy-4'-methoxyphenyl)ethene ; 3,4,5-Trimethoxy-3'-hydroxy-4'-methoxystilbene ; Crc 87-09 ; Crc-98-09 ; NSC 609397 ; NSC 613729 ; NSC 817373 ; Phenol, 2-methoxy-5-(2-(3,4,5-trimethoxyphenyl)ethenyl)-, (Z)- . Combretastatin A-4 (CAS NO.117048-59-6) is crystalline powder. It is a small organic molecule found in the bark of the African bush willow tree Combretum caffrum.

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