Cas 127994-41-6,(3R,5S,6S)-6-[(2S,4S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-2-methoxy-3,3-dimethyl-tetrahydro-pyran-2-ylmethyl]-3,5-dimethyl-tetrahydro-pyran-2-one

127994-41-6

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Basic information

Product Name: (3R,5S,6S)-6-[(2S,4S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-2-methoxy-3,3-dimethyl-tetrahydro-pyran-2-ylmethyl]-3,5-dimethyl-tetrahydro-pyran-2-one
Synonyms:
CAS NO:127994-41-6
Molecular Formula:
Molecular Weight: 568.826
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: (3R,5S,6S)-6-[(2S,4S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-2-methoxy-3,3-dimethyl-tetrahydro-pyran-2-ylmethyl]-3,5-dimethyl-tetrahydro-pyran-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (3R,5S,6S)-6-[(2S,4S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-2-methoxy-3,3-dimethyl-tetrahydro-pyran-2-ylmethyl]-3,5-dimethyl-tetrahydro-pyran-2-one(127994-41-6)
EPA Substance Registry System: (3R,5S,6S)-6-[(2S,4S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-2-methoxy-3,3-dimethyl-tetrahydro-pyran-2-ylmethyl]-3,5-dimethyl-tetrahydro-pyran-2-one(127994-41-6)

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: 127994-41-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 127994-41-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,9 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127994-41:
(8*1)+(7*2)+(6*7)+(5*9)+(4*9)+(3*4)+(2*4)+(1*1)=166
166 % 10 = 6
So 127994-41-6 is a valid CAS Registry Number.

127994-41-6Upstream product

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127994-41-6Relevant academic research and scientific papers

Triple asymmetric synthesis for fragment assembly: Validity of approximate multiplicativity of the three diastereofacial selectivities

Duplantier,Nantz,Roberts,Short,Somfai,Masamune

, p. 7357 - 7360 (1989)

A strategy of triple asymmetric synthesis is illustrated to be effective for stereochemical control in fragment assembly, a task often encountered in convergent natural product synthesis. The stereochemical outcome of aldol reactions involving three chiral components supports a rule of approximate multiplicativity of facial selectivities intrinsic to the chiral reactants involved in each reaction.

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