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5-phenyl-1,2,3,4-tetrahydrobenzophthalazine-1,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21867-10-7

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21867-10-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21867-10-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,6 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21867-10:
(7*2)+(6*1)+(5*8)+(4*6)+(3*7)+(2*1)+(1*0)=107
107 % 10 = 7
So 21867-10-7 is a valid CAS Registry Number.

21867-10-7Downstream Products

21867-10-7Relevant academic research and scientific papers

Synthesis and Reactions of N-Hydroxy-1-phenylnaphthalene-2,3-dicarboximide

Baddawy, H. A.,Hamed, A. A.,El-Beih, A. A.,Metwally, R. N.

, p. 112 - 114 (2007/10/02)

1-Phenylnaphthalene-2,3-dicarboxylic anhydride (I) reacts with hydroxylamine hydrochloride to give N-hydroxy-1-phenylnaphthalene-2,3-dicarboximide (II) which on pyrolysis forms 1-phenylnaphthalene-2,3-dicarboximide (III).The imide III is also obtained by

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