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3-acetyl-2-methyl-naphtho[2,3-b]furan-4,9-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70525-43-8

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70525-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70525-43-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,2 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70525-43:
(7*7)+(6*0)+(5*5)+(4*2)+(3*5)+(2*4)+(1*3)=108
108 % 10 = 8
So 70525-43-8 is a valid CAS Registry Number.

70525-43-8Downstream Products

70525-43-8Relevant academic research and scientific papers

A direct one-pot synthesis of naphtho[2,3-b]furan-4,9-dione derivatives via C,O-dialkylation of β-dicarbonyl compounds by 2,3-dichloro-1,4- naphthoquinones

Hu, Hua-You,Zhu, Ye,Wang, Lei,Xu, Jian-Hua

, p. 1605 - 1610 (2007/10/03)

Base-promoted reactions of acyclic and cyclic β-dicarbonyl compounds (3) with 2,3-dichloro-1,4-naphthoquinone (1) and 4a,6,7,8a-tetrachloro-1,4- methanonaphthalene-5,8-dione (2) resulted in C,O-dialkylation of 3 to give 2,3-disubstituted naphtho[2,3-b]furan-4,9-diones (4) and 5,8-methanonaphtho[2,3- b]furan-4,9-diones (6) respectively in moderate to high yields. Georg Thieme Verlag Stuttgart.

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