Cas 178765-12-3,(1R,3aR,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-1-((R)-1,5-dimethyl-5-triethylsilanyloxy-hexyl)-octahydro-indene

178765-12-3

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Basic information

Product Name: (1R,3aR,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-1-((R)-1,5-dimethyl-5-triethylsilanyloxy-hexyl)-octahydro-indene
Synonyms: (1R,3aR,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-1-((R)-1,5-dimethyl-5-triethylsilanyloxy-hexyl)-octahydro-indene
CAS NO:178765-12-3
Molecular Formula:
Molecular Weight: 745.406
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (1R,3aR,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-1-((R)-1,5-dimethyl-5-triethylsilanyloxy-hexyl)-octahydro-indene(CAS DataBase Reference)
NIST Chemistry Reference: (1R,3aR,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-1-((R)-1,5-dimethyl-5-triethylsilanyloxy-hexyl)-octahydro-indene(178765-12-3)
EPA Substance Registry System: (1R,3aR,7aR)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-1-((R)-1,5-dimethyl-5-triethylsilanyloxy-hexyl)-octahydro-indene(178765-12-3)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 178765-12-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 178765-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,7,6 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 178765-12:
(8*1)+(7*7)+(6*8)+(5*7)+(4*6)+(3*5)+(2*1)+(1*2)=183
183 % 10 = 3
So 178765-12-3 is a valid CAS Registry Number.

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178765-12-3Relevant academic research and scientific papers

Synthesis and biological activity of 1α,25-dihydroxy-18-norvitamin D3 and 1α,25-dihydroxy-18,19-dinorvitamin D3

Sicinski, Rafal R.,Perlman, Kato L.,Prahl, Jean,Smith, Connie,DeLuca, Hector F.

, p. 4497 - 4506 (1996)

1α,25-Dihydroxy-18-norvitamin D3 and 1α,25-dihydroxy-18,19- dinorvitamin D3 were prepared via Wittig-Horner coupling of 25-hydroxy-18- nor Grundmann type ketone with the corresponding A-ring phosphine oxides. Configuration at C-13 in

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