Heptaphenyldeuterio-tropiliden, also known as 7,7'-biphenyl-2,2'-diylbis(1,2,3,3-tetramethylcyclopropene), is a complex organic compound characterized by its unique structure. It consists of two tropilidene units, which are cyclopropane rings with a double bond, connected by a biphenyl group. The term "heptaphenyl" refers to the presence of seven phenyl rings in total, with each tropilidene unit being attached to three phenyl rings. The "deuterio" prefix indicates that two hydrogen atoms in the molecule have been replaced by deuterium atoms, an isotope of hydrogen with one neutron and one proton. Heptaphenyldeuterio-tropiliden is of interest in organic chemistry due to its strained ring systems and potential applications in materials science, though it is primarily a synthetic curiosity and not commonly found in nature.

1835-55-8

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Basic information
1. Product Name: Heptaphenyldeuterio-tropiliden
2. Synonyms:
3. CAS NO:1835-55-8
4. Molecular Formula:
5. Molecular Weight: 625.817
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: Heptaphenyldeuterio-tropiliden(CAS DataBase Reference)
10. NIST Chemistry Reference: Heptaphenyldeuterio-tropiliden(1835-55-8)
11. EPA Substance Registry System: Heptaphenyldeuterio-tropiliden(1835-55-8)
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: 1835-55-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1835-55-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,3 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1835-55:
(6*1)+(5*8)+(4*3)+(3*5)+(2*5)+(1*5)=88
88 % 10 = 8
So 1835-55-8 is a valid CAS Registry Number.

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