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4,6-Diiod-3-acetamino-phenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21556-91-2

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21556-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21556-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,5,5 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21556-91:
(7*2)+(6*1)+(5*5)+(4*5)+(3*6)+(2*9)+(1*1)=102
102 % 10 = 2
So 21556-91-2 is a valid CAS Registry Number.

21556-91-2Upstream product

21556-91-2Relevant academic research and scientific papers

TRICYCLIC FURAN-SUBSTITUTED PIPERIDINEDIONE COMPOUND

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Paragraph 0169-0170, (2021/07/17)

Disclosed are a series of tricyclic furan-substituted piperidinedione compounds and an application thereof in preparing a drug for treating a disease related to CRBN protein. In particular, disclosed is a derivative compound represented by formula (I) or a pharmaceutically acceptable salt thereof.

Halogenation Using Quaternary Ammonium Polyhalides. XVII. Iodination of Acetanilide Derivatives with Benzyltrimethylammonium Dichloroiodate and Zinc Chloride

Kajigaeshi, Shoji,Kakinami, Takaaki,Watanabe, Fumiko,Okamoto, Tsuyoshi

, p. 1349 - 1351 (2007/10/02)

The reaction of acetanilide derivatives with benzyltrimethylammonium dichloroiodate in acetic acid in the presence of ZnCl2 at room temperature or at 70 deg C gave iodo-substituted acetanilide derivatives in good yields.

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