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1,2-Benzenedicarbonitrile, 4-[4-(1,1-dimethylethyl)phenoxy]-5-nitro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

478021-17-9

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478021-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 478021-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,8,0,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 478021-17:
(8*4)+(7*7)+(6*8)+(5*0)+(4*2)+(3*1)+(2*1)+(1*7)=149
149 % 10 = 9
So 478021-17-9 is a valid CAS Registry Number.

478021-17-9Relevant academic research and scientific papers

Nucleophilic substitution in 4-bromo-5-nitrophthalodinitrile: V. Synthesis of 5-nitro-4-(4-R-phenoxy)phthalodinitriles and phthalocyanines derived from them

Balakirev,Maizlish,Shaposhnikov

, p. 307 - 310 (2007/10/03)

A series of aryloxy-substituted phthalodinitriles were prepared by nucleophilic aromatic substitution of bromine in 4-bromo-5-nitrophthalodinitrile, and the corresponding phthalocyanines were synthesized. The physicochemical properties of phthalocyanines depend on the substituent in the aryl moiety.

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