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2,2-Bis-(4-chloro-phenyl)-indan-1,3-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

208588-16-3

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208588-16-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 208588-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,5,8 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 208588-16:
(8*2)+(7*0)+(6*8)+(5*5)+(4*8)+(3*8)+(2*1)+(1*6)=153
153 % 10 = 3
So 208588-16-3 is a valid CAS Registry Number.

208588-16-3Relevant academic research and scientific papers

Acid-Catalyzed Condensations of Ninhydrin with Aromatic Compounds. Preparation of 2,2-Diaryl-1,3-indanediones and 3-(Diarylmethylene)isobenzofuranones 1

Klumpp, Douglas A.,Fredrick, Shyla,Lau, Siufu,Jin, Kevin K.,Bau, Robert,Surya Prakash,Olah, George A.

, p. 5152 - 5155 (2007/10/03)

Ninhydrin (1) reacts with aromatic compounds in acid solution to give condensation products. In H2SO4, 1 reacts with arenes to give 2,2-diaryl-1,3-indanediones (2a-f). In superacidic triflic acid (CF3SO3H, TfOH)

A study on the friedel-crafts type reaction of ninhydrin with arenes

Song, Hyun Nam,Seong, Mi Ra,Son, Ji Suk,Kim, Jae Nyoung

, p. 1865 - 1870 (2007/10/03)

The reactions of ninhydrin (1, 1,2,3-indantrione) with arenes in the presence of concentrated sulfuric acid afforded mono- or di-substituted ninhydrin derivatives at the 2-position in reasonable yields.

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