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1H-Pyrrole-2,5-dione, 3-(1-hydroxyethyl)-4-methyl- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

173418-77-4

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173418-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173418-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,4,1 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 173418-77:
(8*1)+(7*7)+(6*3)+(5*4)+(4*1)+(3*8)+(2*7)+(1*7)=144
144 % 10 = 4
So 173418-77-4 is a valid CAS Registry Number.

173418-77-4Downstream Products

173418-77-4Relevant academic research and scientific papers

Derivatives of Natural Tetrapyrroles for Photodynamic Therapy, 3. Oxidative Degradation Studies on Porphyrins with Chromic Acid

Gauler, Rainer,Hesse, Ulrike,Risch, Nikolaus

, p. 2227 - 2230 (2007/10/03)

Until now the composition of the complex porphyrin mixtures of hematoporphyrin derivative (HPD) and Photofrin II could not be clarified in detail.We investigated the applicability of oxidative degradation to the structural assignment of HPD constituents.Therefore, some fundamental work concerning the characterization of the relevant degradation products had to be done.In this article we present the special and analytical data of monomeric and dimeric maleimides potentially arising from the corresponding constituents of HPD. - Keywords: Oxidative degradation; Chromic acid; Porphyrins; Maleimides; HPD; PDT

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