Triphenyl-λ4-selanyl, also known as triphenylselenonium, is a chemical compound with the formula (C6H5)3Se. It is a derivative of triphenylsulfonium, where the sulfur atom is replaced by a selenium atom. triphenyl-lambda~4~-selanyl is an organoselenium compound, characterized by its aromatic structure and the presence of a selenium atom bonded to three phenyl rings. Triphenyl-λ4-selanyl is of interest in organic chemistry due to its potential applications in the synthesis of various selenium-containing compounds and its use as a reagent in certain chemical reactions. It is typically synthesized by the reaction of triphenylselenide with alkyl halides or other electrophilic reagents. The compound is sensitive to nucleophilic attack, which can lead to the formation of various organoselenium intermediates in synthetic processes.

18987-45-6

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Basic information
1. Product Name: triphenyl-lambda~4~-selanyl
2. Synonyms:
3. CAS NO:18987-45-6
4. Molecular Formula: C₁₈H₁₅Se*I
5. Molecular Weight: 310.2717
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: triphenyl-lambda~4~-selanyl(CAS DataBase Reference)
10. NIST Chemistry Reference: triphenyl-lambda~4~-selanyl(18987-45-6)
11. EPA Substance Registry System: triphenyl-lambda~4~-selanyl(18987-45-6)
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: 18987-45-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 18987-45-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,8 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18987-45:
(7*1)+(6*8)+(5*9)+(4*8)+(3*7)+(2*4)+(1*5)=166
166 % 10 = 6
So 18987-45-6 is a valid CAS Registry Number.

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