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3,6,9,10-tetra-azaphenanthrene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75753-21-8

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75753-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75753-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,5 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75753-21:
(7*7)+(6*5)+(5*7)+(4*5)+(3*3)+(2*2)+(1*1)=148
148 % 10 = 8
So 75753-21-8 is a valid CAS Registry Number.

75753-21-8Downstream Products

75753-21-8Relevant academic research and scientific papers

Bipyridines. Part XV. A Novel Convenient Synthesis of Some 3,3'-Bipyridine Derivatives

Becalski, Adam,Kaczmarek, Lukasz,Nantka-Namirski, Pawel

, p. 105 - 114 (2007/10/02)

A new, convenient synthesis of 2,2'-dinitro-(10), 4,4'-dinitro-(11), 1,1'-dioxo-4,4'-dinitro- (12) and 2,2'-dioxo- (13) -3,3'-bipyridines by aplication of the Ullmann reaction is reported.The possibility of the nitro-groups substitution by such nucleophil

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