Cas 188307-87-1,1,4-bis[[2',3'-bis(trimethylsilyl)-4'-oxo-2'-cyclobuten-1'-ylidene]methyl]benzene

188307-87-1

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Basic information

Product Name: 1,4-bis[[2',3'-bis(trimethylsilyl)-4'-oxo-2'-cyclobuten-1'-ylidene]methyl]benzene
Synonyms: 1,4-bis[[2',3'-bis(trimethylsilyl)-4'-oxo-2'-cyclobuten-1'-ylidene]methyl]benzene
CAS NO:188307-87-1
Molecular Formula:
Molecular Weight: 522.982
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: 1,4-bis[[2',3'-bis(trimethylsilyl)-4'-oxo-2'-cyclobuten-1'-ylidene]methyl]benzene(CAS DataBase Reference)
NIST Chemistry Reference: 1,4-bis[[2',3'-bis(trimethylsilyl)-4'-oxo-2'-cyclobuten-1'-ylidene]methyl]benzene(188307-87-1)
EPA Substance Registry System: 1,4-bis[[2',3'-bis(trimethylsilyl)-4'-oxo-2'-cyclobuten-1'-ylidene]methyl]benzene(188307-87-1)

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: 188307-87-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 188307-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,3,0 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 188307-87:
(8*1)+(7*8)+(6*8)+(5*3)+(4*0)+(3*7)+(2*8)+(1*7)=171
171 % 10 = 1
So 188307-87-1 is a valid CAS Registry Number.

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188307-87-1Relevant academic research and scientific papers

Stabilized and persistent allenylketenes

Huang, Wenwei,Fang, Decai,Temple, Karen,Tidwell, Thomas T.

, p. 2832 - 2838 (2007/10/03)

Photolyses of 2,3-bis(trimethylsilyl)-substituted methylenecyclobutenones 22-26 give essentially quantitative conversion to the allenylketenes 28-32 which have been isolated as long-lived species at room temperature. As predicted by molecular orbital calc

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