Cas 142887-91-0,1-[(2R,3aR,9aR)-3-(Benzenesulfonyl-difluoro-methyl)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-4-ethoxy-1H-pyrimidin-2-one

142887-91-0

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Product Name: 1-[(2R,3aR,9aR)-3-(Benzenesulfonyl-difluoro-methyl)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-4-ethoxy-1H-pyrimidin-2-one
Synonyms: 1-[(2R,3aR,9aR)-3-(Benzenesulfonyl-difluoro-methyl)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-4-ethoxy-1H-pyrimidin-2-one
CAS NO:142887-91-0
Molecular Formula:
Molecular Weight: 704.937
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-[(2R,3aR,9aR)-3-(Benzenesulfonyl-difluoro-methyl)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-4-ethoxy-1H-pyrimidin-2-one(CAS DataBase Reference)
NIST Chemistry Reference: 1-[(2R,3aR,9aR)-3-(Benzenesulfonyl-difluoro-methyl)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-4-ethoxy-1H-pyrimidin-2-one(142887-91-0)
EPA Substance Registry System: 1-[(2R,3aR,9aR)-3-(Benzenesulfonyl-difluoro-methyl)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-4-ethoxy-1H-pyrimidin-2-one(142887-91-0)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 142887-91-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 142887-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,8,8 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142887-91:
(8*1)+(7*4)+(6*2)+(5*8)+(4*8)+(3*7)+(2*9)+(1*1)=160
160 % 10 = 0
So 142887-91-0 is a valid CAS Registry Number.

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142887-91-0Relevant academic research and scientific papers

A NEW ROUTE TO 1,1-DIFLUORO OLEFINS: APPLICATION TO THE SYNTHESIS OF 2'-DEOXY-2'-DIFLUOROMETHYLENE NUCLEOSIDES

Sabol, Jeffrey S.,McCarthy, James R.

, p. 3101 - 3104 (1992)

Methodology has been developed for the difluoromethylenation of ketone 2, resulting in the synthesis of cytidine derivative 1c.

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