Cas 91220-74-5,Phosphine oxide, [[2,6-bis(4-fluorophenyl)-4H-pyran-4-ylidene]methyl]diphenyl-

91220-74-5

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Basic information

Product Name: Phosphine oxide, [[2,6-bis(4-fluorophenyl)-4H-pyran-4-ylidene]methyl]diphenyl-
Synonyms:
CAS NO:91220-74-5
Molecular Formula: C30H21F2O2P
Molecular Weight: 482.466
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: Phosphine oxide, [[2,6-bis(4-fluorophenyl)-4H-pyran-4-ylidene]methyl]diphenyl-(CAS DataBase Reference)
NIST Chemistry Reference: Phosphine oxide, [[2,6-bis(4-fluorophenyl)-4H-pyran-4-ylidene]methyl]diphenyl-(91220-74-5)
EPA Substance Registry System: Phosphine oxide, [[2,6-bis(4-fluorophenyl)-4H-pyran-4-ylidene]methyl]diphenyl-(91220-74-5)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 91220-74-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 91220-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,2 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91220-74:
(7*9)+(6*1)+(5*2)+(4*2)+(3*0)+(2*7)+(1*4)=105
105 % 10 = 5
So 91220-74-5 is a valid CAS Registry Number.

91220-74-5Upstream product

91220-74-5Downstream Products

91220-74-5Relevant academic research and scientific papers

Investigations on Diazo Compounds and Azides, XLIV. 4-Diazomethyl-4H-pyrans by Electrophilic Diazoalkane Substitution

Regitz, Manfred,Khbeis, Saad G.

, p. 2233 - 2246 (2007/10/02)

Electrophilic diazoalkane substitution of the (diazomethyl)phosphoryl compounds 3a-e with the pyrylium tetrafluoroborate 2 yields the 4--4H-pyrans 4a-e.Corresponding reactions of the pyrylium perchlorates 1a-j with 3a lead - accor

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