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2-[(2-oxo-2H-7-chromenyl)oxy]ethyl 4-(2-heptynoyl)benzoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201813-24-3

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201813-24-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201813-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,8,1 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 201813-24:
(8*2)+(7*0)+(6*1)+(5*8)+(4*1)+(3*3)+(2*2)+(1*4)=83
83 % 10 = 3
So 201813-24-3 is a valid CAS Registry Number.

201813-24-3Downstream Products

201813-24-3Relevant academic research and scientific papers

Conjugate addition of amino acid side chains to dyes containing aikynone, alkynoic ester and alkynoic amide linker arms

Crisp, Geoffrey T.,Millan, Michael J.

, p. 649 - 666 (2007/10/03)

Derivatives of fluorescein, 7-hydroxycoumarin, Sudan 1 and dansyl chloride with linker arms containing a conjugated terminal alkyne have been prepared. The Michael addition of the sulfanyl group of protected cysteine, the hydroxyl group of protected serine and the ε-amino group of protected lysine to the conjugated alkyne gave the expected heterosubstituted vinyl products.

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