Cas 74055-41-7,1-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methyl-cyclohex-1-enyl]-2-[(1R,3aR,7aR)-1-((R)-1,5-dimethyl-hexyl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl]-2-(toluene-4-sulfonyl)-ethanone

74055-41-7

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Basic information

Product Name: 1-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methyl-cyclohex-1-enyl]-2-[(1R,3aR,7aR)-1-((R)-1,5-dimethyl-hexyl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl]-2-(toluene-4-sulfonyl)-ethanone
Synonyms:
CAS NO:74055-41-7
Molecular Formula:
Molecular Weight: 799.359
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: 1-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methyl-cyclohex-1-enyl]-2-[(1R,3aR,7aR)-1-((R)-1,5-dimethyl-hexyl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl]-2-(toluene-4-sulfonyl)-ethanone(CAS DataBase Reference)
NIST Chemistry Reference: 1-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methyl-cyclohex-1-enyl]-2-[(1R,3aR,7aR)-1-((R)-1,5-dimethyl-hexyl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl]-2-(toluene-4-sulfonyl)-ethanone(74055-41-7)
EPA Substance Registry System: 1-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methyl-cyclohex-1-enyl]-2-[(1R,3aR,7aR)-1-((R)-1,5-dimethyl-hexyl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl]-2-(toluene-4-sulfonyl)-ethanone(74055-41-7)

Safety Data

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Safety Statements: N/A
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RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 74055-41-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 74055-41-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,0,5 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74055-41:
(7*7)+(6*4)+(5*0)+(4*5)+(3*5)+(2*4)+(1*1)=117
117 % 10 = 7
So 74055-41-7 is a valid CAS Registry Number.

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74055-41-7Relevant academic research and scientific papers

Calciferol and its Relatives. Part 28. A Stereoselective Synthesis of 1α-Hydroxyprecalciferol3 from 8-Hydroxymethyl-des-AB-cholest-8-ene

Lithgoe, Basil,Waterhouse, Ian

, p. 1405 - 1406 (2007/10/02)

8-p-Tolylsulphonylmethyl-des-AB-cholest-8-ene (1) and methyl (3S,5R)-3,5-bis-t-butyldimethylsilyloxy-2-methylcyclohex-1-enecarboxylate (2) were combined to give a 6-oxo-7-sulphone from which 1α,3β-diacetoxy-9,10-seco-cholesta-5(10),8-diene-6-yne (4) was obtained.Semihydrogenation and deacetylation gave 1α-hydroxyprecalciferol3 (6), which was converted by thermal isomerization into 1α-hydroxyvitamin D3 (7).

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