Cas 1254840-79-3,(E)-diethyl 3-difluoromethyl-4-(dimethylphenylsilylmethylene)cyclopentane-1,1-dicarboxylate

1254840-79-3

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Basic information

Product Name: (E)-diethyl 3-difluoromethyl-4-(dimethylphenylsilylmethylene)cyclopentane-1,1-dicarboxylate
Synonyms: (E)-diethyl 3-difluoromethyl-4-(dimethylphenylsilylmethylene)cyclopentane-1,1-dicarboxylate
CAS NO:1254840-79-3
Molecular Formula:
Molecular Weight: 410.533
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: (E)-diethyl 3-difluoromethyl-4-(dimethylphenylsilylmethylene)cyclopentane-1,1-dicarboxylate(CAS DataBase Reference)
NIST Chemistry Reference: (E)-diethyl 3-difluoromethyl-4-(dimethylphenylsilylmethylene)cyclopentane-1,1-dicarboxylate(1254840-79-3)
EPA Substance Registry System: (E)-diethyl 3-difluoromethyl-4-(dimethylphenylsilylmethylene)cyclopentane-1,1-dicarboxylate(1254840-79-3)

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: 1254840-79-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1254840-79-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,8,4 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1254840-79:
(9*1)+(8*2)+(7*5)+(6*4)+(5*8)+(4*4)+(3*0)+(2*7)+(1*9)=163
163 % 10 = 3
So 1254840-79-3 is a valid CAS Registry Number.

1254840-79-3Upstream product

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1254840-79-3Relevant academic research and scientific papers

Nickel-catalyzed hydrosilylation/cyclization of difluoro-substituted 1,6-enynes

Takachi, Manabu,Chatani, Naoto

, p. 5132 - 5134 (2010)

Ni-catalyzed hydrosilylative cyclization of difluoro-substituted 1,6-enynes can be carried out. The presence of a geminal-difluoromethylene group at an alkene terminus in enynes is essential for the reaction to proceed.

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