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503130-91-4

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503130-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503130-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,1,3 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 503130-91:
(8*5)+(7*0)+(6*3)+(5*1)+(4*3)+(3*0)+(2*9)+(1*1)=94
94 % 10 = 4
So 503130-91-4 is a valid CAS Registry Number.

503130-91-4Relevant academic research and scientific papers

Synthesis and evaluation of a series of C5′-substituted duocarmycin SA analogs

Robertson, William M.,Kastrinsky, David B.,Hwang, Inkyu,Boger, Dale L.

, p. 2722 - 2725 (2011/07/06)

The synthesis and evaluation of a key series of analogs of duocarmycin SA, bearing a single substituent at the C5′ position of the DNA binding subunit, are described.

Solid-phase synthesis of an A-B loop mimetic of the Cε3 domain of human IgE: Macrocyclization by Sonogashira coupling

Spivey, Alan C.,McKendrick, John,Srikaran, Ratnasothy,Helm, Birgit A.

, p. 1843 - 1851 (2007/10/03)

The solid-phase synthesis of a cyclic peptide containing the 21-residue epitope found in the A-B loop of the Cε3 domain of human immunoglobulin E has been carried out. The key macrocyclization step to form the 65-membered ring is achieved in ~15% yield vi

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