CAS No.18444-66-1,Cucurbitacin E Suppliers

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Basic Information

Molecular Structure:
CAS No.:	18444-66-1
Name:	Cucurbitacin E
Article Data:	8

Formula:	C₃₂H₄₄O₈
Molecular Weight:	556.697
Synonyms:	19-Nor-9b,10a-lanosta-1,5,23-triene-3,11,22-trione, 2,16a,20,25-tetrahydroxy-9-methyl-,25-acetate (7CI,8CI);Cucurbitacine E;NSC 106399;a-Elaterin;a-Elaterine;
EINECS:	242-325-2
Density:	1.249 g/cm³
Melting Point:	228-234 °C
Boiling Point:	712.615 °C at 760 mmHg
Flash Point:	224.446 °C
Hazard Symbols:	Xn
Risk Codes:	25
Safety:	1-22-45
PSA:	138.20000
LogP:	4.19020

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2222-07-3

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Specification

The Cucurbitacin E, with the CAS registry number 18444-66-1, is also known as (4R,9β,16α,23E)-2,16,20-Trihydroxy-9,10,14-trimethyl-1,11,22-trioxo-4,9-cyclo-9,10-secocholesta-2,5,23-trien-25-yl acetate. It belongs to the product category of Tri-Terpenoids. Its EINECS registry number is 242-325-2. This chemical's molecular formula is C₃₂H₄₄O₈ and molecular weight is 556.69. What's more, its IUPAC name is called [(E,6R)-6-[(8S,9R,10R,13R,14S,16R,17R)-2,16-dihydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-8,10,12,15,16,17-hexahydro-7H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl] acetate.

Physical properties about Cucurbitacin E are: (1)ACD/LogP: 2.589; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 2.59; (4)ACD/LogD (pH 7.4): 2.56; (5)ACD/BCF (pH 5.5): 54.65; (6)ACD/BCF (pH 7.4): 50.81 ; (7)ACD/KOC (pH 5.5): 609.89; (8)ACD/KOC (pH 7.4): 567.01 ; (9)#H bond acceptors: 8; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 9; (12)Polar Surface Area: 138.2 Å²; (13)Index of Refraction: 1.579; (14)Molar Refractivity: 148.094 cm³; (15)Molar Volume: 445.853 cm³; (16)Polarizability: 58.709×10^-24cm³; (17)Surface Tension: 54.432 dyne/cm; (18) Density: 1.249 g/cm³; (19)Flash Point: 224.446 °C; (20)Enthalpy of Vaporization: 119.041 kJ/mol; (21)Boiling Point: 712.615 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25 °C.

When you are dealing with this chemical, you should be very careful. This chemical is toxic if swallowed. Therefore, you should keep it locked up and can not breathe dust. In case of accident or if you feel unwell seek medical advice immediately.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C(OC(/C=C/C(=O)[C@](O)([C@H]2[C@H](O)C[C@]3([C@@H]4C/C=C1/C(C(=O)C(\O)=C/[C@H]1[C@@]4(C(=O)C[C@]23C)C)(C)C)C)C)(C)C)C
(2) InChI: InChI=1S/C32H44O8/c1-17(33)40-27(2,3)13-12-23(36)32(9,39)25-21(35)15-29(6)22-11-10-18-19(14-20(34)26(38)28(18,4)5)31(22,8)24(37)16-30(25,29)7/h10,12-14,19,21-22,25,34-35,39H,11,15-16H2,1-9H3/b13-12+/t19-,21-,22+,25+,29+,30-,31+,32+/m1/s1
(3) InChIKey: NDYMQXYDSVBNLL-MUYMLXPFSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	oral	340mg/kg (340mg/kg)		Chimica Therapeutica. Vol. 5, Pg. 205, 1970.