Cas 330189-32-7,(2R,3R,4R)-4-[(2S,3R,4S,5R,6R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxy)-3-iodo-6-methyl-tetrahydro-pyran-2-yloxy]-3-(tert-butyl-dimethyl-silanyloxy)-hex-5-yn-2-ol

330189-32-7

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Basic information

Product Name: (2R,3R,4R)-4-[(2S,3R,4S,5R,6R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxy)-3-iodo-6-methyl-tetrahydro-pyran-2-yloxy]-3-(tert-butyl-dimethyl-silanyloxy)-hex-5-yn-2-ol
Synonyms: (2R,3R,4R)-4-[(2S,3R,4S,5R,6R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxy)-3-iodo-6-methyl-tetrahydro-pyran-2-yloxy]-3-(tert-butyl-dimethyl-silanyloxy)-hex-5-yn-2-ol
CAS NO:330189-32-7
Molecular Formula:
Molecular Weight: 977.255
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: (2R,3R,4R)-4-[(2S,3R,4S,5R,6R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxy)-3-iodo-6-methyl-tetrahydro-pyran-2-yloxy]-3-(tert-butyl-dimethyl-silanyloxy)-hex-5-yn-2-ol(CAS DataBase Reference)
NIST Chemistry Reference: (2R,3R,4R)-4-[(2S,3R,4S,5R,6R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxy)-3-iodo-6-methyl-tetrahydro-pyran-2-yloxy]-3-(tert-butyl-dimethyl-silanyloxy)-hex-5-yn-2-ol(330189-32-7)
EPA Substance Registry System: (2R,3R,4R)-4-[(2S,3R,4S,5R,6R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxy)-3-iodo-6-methyl-tetrahydro-pyran-2-yloxy]-3-(tert-butyl-dimethyl-silanyloxy)-hex-5-yn-2-ol(330189-32-7)

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: 330189-32-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 330189-32-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,1,8 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 330189-32:
(8*3)+(7*3)+(6*0)+(5*1)+(4*8)+(3*9)+(2*3)+(1*2)=117
117 % 10 = 7
So 330189-32-7 is a valid CAS Registry Number.

330189-32-7Upstream product

330189-32-7Downstream Products

330189-32-7Relevant academic research and scientific papers

Discovery of the tungsten carbonyl-catalyzed endo-selective alkynyl alcohol cycloisomerization reaction: Applications to stereoselective syntheses of D-olivose, D-olivose disaccharide substructures of landomycin and mithramycin

McDonald, Frank E.,Reddy, K. Subba

, p. 444 - 452 (2007/10/03)

An account of the discovery of the tungsten carbonyl-catalyzed endo-selective cycloisomerization of alkynyl alcohols to dihydropyrans is described. The utility of this new chemical transformation involving tungsten vinylidene catalytic intermediates is de

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