Cas 28639-70-5,1,3-bis-(4-nitro-phenyl)-6,9-diphenyl-1,3,6,9-tetraaza-spiro[4.4]nonane-2,4-dithione

28639-70-5

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Basic information

Product Name: 1,3-bis-(4-nitro-phenyl)-6,9-diphenyl-1,3,6,9-tetraaza-spiro[4.4]nonane-2,4-dithione
Synonyms:
CAS NO:28639-70-5
Molecular Formula:
Molecular Weight: 582.663
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: 1,3-bis-(4-nitro-phenyl)-6,9-diphenyl-1,3,6,9-tetraaza-spiro[4.4]nonane-2,4-dithione(CAS DataBase Reference)
NIST Chemistry Reference: 1,3-bis-(4-nitro-phenyl)-6,9-diphenyl-1,3,6,9-tetraaza-spiro[4.4]nonane-2,4-dithione(28639-70-5)
EPA Substance Registry System: 1,3-bis-(4-nitro-phenyl)-6,9-diphenyl-1,3,6,9-tetraaza-spiro[4.4]nonane-2,4-dithione(28639-70-5)

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: 28639-70-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 28639-70-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,6,3 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28639-70:
(7*2)+(6*8)+(5*6)+(4*3)+(3*9)+(2*7)+(1*0)=145
145 % 10 = 5
So 28639-70-5 is a valid CAS Registry Number.

28639-70-5Upstream product

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28639-70-5Relevant academic research and scientific papers

Substrate-controlled and site-selective [3+2] cycloadditions of N-heterocyclic carbene derived ambident dipoles

Cheng, Ying,Liu, Mei-Fang,Fang, De-Cai,Lei, Xue-Mei

, p. 4282 - 4292 (2007)

2-Aryl thiocarbamoyl benzimidazolium and imidazolinium inner salts derived from benzimidazole and imidazoline carbenes are unique ambident C-C-S and C-C-N 1,3-dipolar systems, which undergo highly efficient and site-selective cycloaddition reactions with

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