Cycloheptatrienylium iodide, also known as tropylium iodide, is a chemical compound with the formula C7H7+I-. It is derived from cycloheptatriene, a seven-membered ring with alternating double bonds, and is a stable carbocation. The molecule consists of a planar, seven-membered ring with a positive charge on one of the carbon atoms and an iodide ion as a counterion. Cycloheptatrienylium iodide is an important intermediate in organic synthesis, particularly in the preparation of various tropylium salts and derivatives. It is also used as a reagent in the synthesis of other organic compounds, such as tropylium tetrafluoroborate and tropylium hexafluorophosphate. The compound is sensitive to light and moisture, and should be stored under an inert atmosphere to prevent decomposition.

1316-80-9

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Basic information
1. Product Name: Cycloheptatrienylium iodide
2. Synonyms: Cycloheptatrienylium iodide
3. CAS NO:1316-80-9
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 1316-80-9.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Cycloheptatrienylium iodide(CAS DataBase Reference)
10. NIST Chemistry Reference: Cycloheptatrienylium iodide(1316-80-9)
11. EPA Substance Registry System: Cycloheptatrienylium iodide(1316-80-9)
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: 1316-80-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1316-80-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,1 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1316-80:
(6*1)+(5*3)+(4*1)+(3*6)+(2*8)+(1*0)=59
59 % 10 = 9
So 1316-80-9 is a valid CAS Registry Number.

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