Cycloeicosa-1,3,7,11,13,17-hexayne is a cyclic alkyne with a carbon backbone consisting of 20 carbon atoms. It features alternating single and triple bonds, with triple bonds at the 1, 3, 7, 11, 13, and 17 positions, forming a hexagonal ring structure. cycloeicosa-1,3,7,11,13,17-hexayne is characterized by its rigid and planar structure due to the presence of triple bonds, which have a linear geometry. Cycloeicosa-1,3,7,11,13,17-hexayne is an example of a higher-order cycloalkyne, which can be used in various chemical reactions and applications, such as in the synthesis of complex organic molecules and materials. Its unique structure and properties make it an interesting subject for study in organic chemistry.

7129-57-9

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Basic information
1. Product Name: cycloeicosa-1,3,7,11,13,17-hexayne
2. Synonyms:
3. CAS NO:7129-57-9
4. Molecular Formula:
5. Molecular Weight: 256.347
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: cycloeicosa-1,3,7,11,13,17-hexayne(CAS DataBase Reference)
10. NIST Chemistry Reference: cycloeicosa-1,3,7,11,13,17-hexayne(7129-57-9)
11. EPA Substance Registry System: cycloeicosa-1,3,7,11,13,17-hexayne(7129-57-9)
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: 7129-57-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7129-57-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,2 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7129-57:
(6*7)+(5*1)+(4*2)+(3*9)+(2*5)+(1*7)=99
99 % 10 = 9
So 7129-57-9 is a valid CAS Registry Number.

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296-56-0 cycloeicosane

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