81262-96-6

Basic information

• Product Name: (22E,24ξ)-28-Methylstigmasta-5,22,25-trien-3β-ol
• Synonyms: (22E)-24ξ-Isopropenylcholesta-5,22-dien-3β-ol;(22E,24ξ)-28-Methylstigmasta-5,22,25-trien-3β-ol;Nervisterol
• CAS NO: 81262-96-6
• Molecular Formula: C30H48O
• Molecular Weight: 424.70152
• Mol File: 81262-96-6.mol
• Article Data: 1

Chemical Properties

• Appearance: /
• CAS DataBase Reference: (22E,24ξ)-28-Methylstigmasta-5,22,25-trien-3β-ol(CAS DataBase Reference)
• NIST Chemistry Reference: (22E,24ξ)-28-Methylstigmasta-5,22,25-trien-3β-ol(81262-96-6)
• EPA Substance Registry System: (22E,24ξ)-28-Methylstigmasta-5,22,25-trien-3β-ol(81262-96-6)

Safety Data

• Hazardous Substances Data: 81262-96-6(Hazardous Substances Data)

Upstream product

• 70813-70-6 22(R)-hydroxy-3α,5-cyclo-6β-methoxy-5α-cholane-23(E)-ene 
• 922171-87-7 (22E,24S)-24-isopropenyl-6β-methoxy-3α,5-cyclo-5α-cholest-22-ene 
• 922171-84-4 (E)-(3S,6R)-3-Isopropyl-6-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-methyl-hept-4-enoic acid ethyl ester 
• 922171-86-6 (E)-(3S,6R)-3-Isopropyl-6-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-methyl-hept-4-en-1-ol 

Relevant articles and documents

C-24 stereochemistry of marine sterols: (22E)-24-(isopropenyl)-22- dehydrocholesterol and 24-isopropenylcholesterol

The C-24 configuration of (22E,24ξ)-24-isopropenyl-22-dehydrocholesterol (1), which was recently isolated from the Colombian Caribbean sponge, Topsentia ophiraphidites, was investigated. Synthesis of the stereodefined (24R)- and (24S)-(22E)-24-isopropenyl-22-dehydrocholesterols (1a, 1b) followed by 1H- and 13C-NMR data comparison of these sterols established the (24R)-configuration of 1. In addition, (24R)- and (24S)-24-isopropenylcholesterols (2a and 2b) were also synthesized and their NMR data are provided. The C-24 configurations of the samples of 24-isopropenylcholesterol reported previously are discussed.