CAS No: 18444-66-1, Chemical Name: 2,16α,20,25-tetrahydroxy-9β-methyl-10α,-19-norlanosta-1,5,23(E)-triene-3,11,22-trione 25-acetate
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18444-66-1 2,16α,20,25-tetrahydroxy-9β-methyl-10α,-19-norlanosta-1,5,23(E)-triene-3,11,22-trione 25-acetate

product Name 2,16α,20,25-tetrahydroxy-9β-methyl-10α,-19-norlanosta-1,5,23(E)-triene-3,11,22-trione 25-acetate
Synonyms 18444-66-1; 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; (4R,9beta,16alpha,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; (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; [(E)-5-[(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]-5-hydroxy-1,1-dimethyl-4-oxo-hex-2-enyl] acetate; cucurbitacin E
Molecular Formula C32H44O8
Molecular Weight 556.687
InChI InChI=1/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
CAS Registry Number 18444-66-1
EINECS 242-325-2
Molecular Structure 18444-66-1 2,16α,20,25-tetrahydroxy-9β-methyl-10α,-19-norlanosta-1,5,23(E)-triene-3,11,22-trione 25-acetate
Density 1.24g/cm3
Boiling point 712.6°C at 760 mmHg
Refractive index 1.578
Flash point 224.4°C
Vapour Pressur 1.84E-23mmHg at 25°C
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Risk Codes
Safety Description