Cis-sym.-2,2'-Diacetyl-tetraphenyl-ethylen, also known as cis-1,1'-Biphenyl,2,2'-diylbis(1-phenylethanone), is an organic compound characterized by its symmetrical structure and the presence of two acetophenone moieties connected through a central ethylene bridge. This molecule features a cis-configuration, meaning the two phenyl rings are on the same side of the ethylene double bond. The compound is composed of a biphenyl core with two acetophenone groups attached to the 2 and 2' positions, creating a rigid, planar structure. It is known for its unique optical properties and potential applications in the field of materials science, particularly in the development of organic optoelectronic devices. The chemical formula for cis-sym.-2,2'-Diacetyl-tetraphenyl-ethylen is C26H20O2, reflecting its molecular composition of 26 carbon atoms, 20 hydrogen atoms, and 2 oxygen atoms.

988-22-7

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Basic information
1. Product Name: cis-sym.-2,2'-Diacetyl-tetraphenyl-ethylen
2. Synonyms:
3. CAS NO:988-22-7
4. Molecular Formula:
5. Molecular Weight: 416.519
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: cis-sym.-2,2'-Diacetyl-tetraphenyl-ethylen(CAS DataBase Reference)
10. NIST Chemistry Reference: cis-sym.-2,2'-Diacetyl-tetraphenyl-ethylen(988-22-7)
11. EPA Substance Registry System: cis-sym.-2,2'-Diacetyl-tetraphenyl-ethylen(988-22-7)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 988-22-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 988-22-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,8 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 988-22:
(5*9)+(4*8)+(3*8)+(2*2)+(1*2)=107
107 % 10 = 7
So 988-22-7 is a valid CAS Registry Number.

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988-23-8 α,α'-Diphenyl-stilben-2,2'-dicarbonsaeure

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