Cas 1189804-50-9,(R)-4-benzyl-3-((2R,3S)-5-(tert-butyldiphenylsilyloxy)-2-methyl-3-(triethylsilyloxy)pentanoyl)oxazolidin-2-one

1189804-50-9

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Basic information

Product Name: (R)-4-benzyl-3-((2R,3S)-5-(tert-butyldiphenylsilyloxy)-2-methyl-3-(triethylsilyloxy)pentanoyl)oxazolidin-2-one
Synonyms: (R)-4-benzyl-3-((2R,3S)-5-(tert-butyldiphenylsilyloxy)-2-methyl-3-(triethylsilyloxy)pentanoyl)oxazolidin-2-one
CAS NO:1189804-50-9
Molecular Formula:
Molecular Weight: 660.014
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: (R)-4-benzyl-3-((2R,3S)-5-(tert-butyldiphenylsilyloxy)-2-methyl-3-(triethylsilyloxy)pentanoyl)oxazolidin-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (R)-4-benzyl-3-((2R,3S)-5-(tert-butyldiphenylsilyloxy)-2-methyl-3-(triethylsilyloxy)pentanoyl)oxazolidin-2-one(1189804-50-9)
EPA Substance Registry System: (R)-4-benzyl-3-((2R,3S)-5-(tert-butyldiphenylsilyloxy)-2-methyl-3-(triethylsilyloxy)pentanoyl)oxazolidin-2-one(1189804-50-9)

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: 1189804-50-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1189804-50-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,8,0 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1189804-50:
(9*1)+(8*1)+(7*8)+(6*9)+(5*8)+(4*0)+(3*4)+(2*5)+(1*0)=189
189 % 10 = 9
So 1189804-50-9 is a valid CAS Registry Number.

1189804-50-9Upstream product

1189804-50-9Downstream Products

1189804-53-2 S-dodecyl (2R,3S)-5-(tert-butyldiphenylsilyloxy)-2-methyl-3-(triethylsilyloxy)pentanethioate

1189804-50-9Relevant academic research and scientific papers

Towards the total synthesis of Calyculin C: preparation of the C13-C25 spirocyclic core

Habrant, Damien,Stewart, Alan J.W.,Koskinen, Ari M.P.

experimental part, p. 7927 - 7934 (2009/12/03)

A stereoselective synthesis of the C13-C25 of Calyculin C is described. Key steps involve the coupling of a terminal acetylene with a thiol ester and subsequent spirocyclisation using a double intramolecular hetero-Michael addition.

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