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(-)-(3S)-3-{[(4-methylphenyl)sulfonyl]amino}-N-{(2E)-4-{[(4-methylphenyl)sulfonyl]amino}but-2-enyl}3-phenylpropanamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

540744-17-0

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540744-17-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 540744-17-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,7,4 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 540744-17:
(8*5)+(7*4)+(6*0)+(5*7)+(4*4)+(3*4)+(2*1)+(1*7)=140
140 % 10 = 0
So 540744-17-0 is a valid CAS Registry Number.

540744-17-0Relevant academic research and scientific papers

The macrocyclic spermidine alkaloid (-)-(S)-neoperiphylline: Revision of the structure based on the total synthesis

Sergeyev, Sergey A.,Hesse, Manfred

, p. 465 - 473 (2003)

The total synthesis of the two isomeric macrocyclic enamides 2 and 17 is described. The precursor 14 was synthesized by means of template-assisted macrocyclization (Scheme 2). Isomerization of 14 in the presence of [Fe(CO)5] gave 2 and 17 (Sche

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