Cas 158783-73-4,2-((R)-2-Benzyloxy-1-methyl-ethyl)-6-ethyl-3,5-dimethyl-pyran-4-one

158783-73-4

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Basic information

Product Name: 2-((R)-2-Benzyloxy-1-methyl-ethyl)-6-ethyl-3,5-dimethyl-pyran-4-one
Synonyms: 2-((R)-2-Benzyloxy-1-methyl-ethyl)-6-ethyl-3,5-dimethyl-pyran-4-one
CAS NO:158783-73-4
Molecular Formula:
Molecular Weight: 300.398
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: 2-((R)-2-Benzyloxy-1-methyl-ethyl)-6-ethyl-3,5-dimethyl-pyran-4-one(CAS DataBase Reference)
NIST Chemistry Reference: 2-((R)-2-Benzyloxy-1-methyl-ethyl)-6-ethyl-3,5-dimethyl-pyran-4-one(158783-73-4)
EPA Substance Registry System: 2-((R)-2-Benzyloxy-1-methyl-ethyl)-6-ethyl-3,5-dimethyl-pyran-4-one(158783-73-4)

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: 158783-73-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 158783-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,8 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158783-73:
(8*1)+(7*5)+(6*8)+(5*7)+(4*8)+(3*3)+(2*7)+(1*3)=184
184 % 10 = 4
So 158783-73-4 is a valid CAS Registry Number.

158783-73-4Upstream product

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158783-73-4Relevant academic research and scientific papers

Assignment of the Absolute Configuration of the Siphonarins and Baconipyrones. Enantiocontrolled Synthesis of a γ-Pyrone Subunit.

Paterson, Ian,Franklin, Alison S.

, p. 6925 - 6928 (1994)

Aldehyde 11 was prepared with >90percent ds using a Sn(II)-mediated aldol reaction between (S)-13 and (S)-14.Conversion into the γ-pyrone 8, a known degradation product from dihydrosiphonarin B, established the absolute configuration as enantiomeric to th

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