Cas 157380-23-9,(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-trimethylsilanyloxy-hexyl)-7a-methyl-octahydro-indene

157380-23-9

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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-trimethylsilanyloxy-hexyl)-7a-methyl-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-trimethylsilanyloxy-hexyl)-7a-methyl-octahydro-indene
CAS NO:157380-23-9
Molecular Formula:
Molecular Weight: 717.352
EINECS: N/A
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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-trimethylsilanyloxy-hexyl)-7a-methyl-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-trimethylsilanyloxy-hexyl)-7a-methyl-octahydro-indene(157380-23-9)
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-trimethylsilanyloxy-hexyl)-7a-methyl-octahydro-indene(157380-23-9)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
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RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 157380-23-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 157380-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,8 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 157380-23:
(8*1)+(7*5)+(6*7)+(5*3)+(4*8)+(3*0)+(2*2)+(1*3)=139
139 % 10 = 9
So 157380-23-9 is a valid CAS Registry Number.

157380-23-9Upstream product

157380-23-9Downstream Products

157380-25-1 1alpha,25-Dihydroxy-14-epi-vitamin D₃

157380-23-9Relevant academic research and scientific papers

14-Epi stereoisomers of 25-hydroxy- and 1α,25-dihydroxyvitamin D3: Synthesis, isomerization to previtamins, and biological studies

Maynard,Trankle,Norman,Okamura

, p. 2387 - 2393 (1994)

The C-14 epimers of vitamin D, 14-epi-25-hydroxyvitamin D3 (4) and 14- epi-1α,25-dihydroxyvitamin D3 (5), were synthesized, and their isomerization via [1,7]-sigmatropic hydrogen shifts to the corresponding previtamin forms (4' and 5

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