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Naphthalene, 1-chloro-5,8-dimethoxy-4-(phenylmethoxy)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89474-91-9

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89474-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89474-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89474-91:
(7*8)+(6*9)+(5*4)+(4*7)+(3*4)+(2*9)+(1*1)=189
189 % 10 = 9
So 89474-91-9 is a valid CAS Registry Number.

89474-91-9Relevant academic research and scientific papers

Dimeric Naphthoquinones, IX. - Isodiospyrin and Elliptinone. - Synthesis of 6,6'-Dimeric Bijuglones by Phenol Oxidation

Laatsch, Hartmut

, p. 319 - 339 (2007/10/02)

Oxidative coupling of the naphthol 37a gave the potential natural product 7,7'-dimethyl-6,6'-bijuglone (5) and, in lower yield, isodiospyrin (21).Regiospecific syntheses of 5, elliptinone (10), and 6,6'-bijuglone (45a) were achieved by phenol oxidation of suitable substituted p-chloronaphthols.

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