Cas 91220-85-8,2,6-Di-tert-butyl-4-<(3,5-dioxo-4-phenyl-1,2,4-triazolidin-1-yl)(diphenylphosphoryl)methylen>-4H-pyran

91220-85-8

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Basic information

Product Name: 2,6-Di-tert-butyl-4-<(3,5-dioxo-4-phenyl-1,2,4-triazolidin-1-yl)(diphenylphosphoryl)methylen>-4H-pyran
Synonyms:
CAS NO:91220-85-8
Molecular Formula:
Molecular Weight: 581.651
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: 2,6-Di-tert-butyl-4-<(3,5-dioxo-4-phenyl-1,2,4-triazolidin-1-yl)(diphenylphosphoryl)methylen>-4H-pyran(CAS DataBase Reference)
NIST Chemistry Reference: 2,6-Di-tert-butyl-4-<(3,5-dioxo-4-phenyl-1,2,4-triazolidin-1-yl)(diphenylphosphoryl)methylen>-4H-pyran(91220-85-8)
EPA Substance Registry System: 2,6-Di-tert-butyl-4-<(3,5-dioxo-4-phenyl-1,2,4-triazolidin-1-yl)(diphenylphosphoryl)methylen>-4H-pyran(91220-85-8)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 91220-85-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 91220-85-8 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, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91220-85:
(7*9)+(6*1)+(5*2)+(4*2)+(3*0)+(2*8)+(1*5)=108
108 % 10 = 8
So 91220-85-8 is a valid CAS Registry Number.

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91220-85-8Relevant 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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