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1H-Pyrrole-2,5-dicarboxylic acid, 3-(2-chloroethyl)-4-methyl-, 5-(1,1-dimethylethyl) 2-(phenylmethyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89909-57-9

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89909-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89909-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,0 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89909-57:
(7*8)+(6*9)+(5*9)+(4*0)+(3*9)+(2*5)+(1*7)=199
199 % 10 = 9
So 89909-57-9 is a valid CAS Registry Number.

89909-57-9Relevant academic research and scientific papers

BILE PIGMENT STUDIES - VII NEW SYNTHESES OF BILIVERDIN-IXα DIMETHYL ESTER AND TWO RELATED MONO-VINYL-ETHYL ISOMERS

Smith, Kevin M.,Pandey, Ravindra K.

, p. 1749 - 1754 (2007/10/02)

Using the recently developed route through di-t-butyl b-bilene-1,19-dicarboxylates, new syntheses of biliverdin-IXα dimethyl ester (1) and two related mono-vinyl-mono-ethyl isomers (2) and (3), are described.The two dihydro-derivatives of (1) are importan

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