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528891-44-3

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528891-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 528891-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,8,8,9 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 528891-44:
(8*5)+(7*2)+(6*8)+(5*8)+(4*9)+(3*1)+(2*4)+(1*4)=193
193 % 10 = 3
So 528891-44-3 is a valid CAS Registry Number.

528891-44-3Downstream Products

528891-44-3Relevant articles and documents

Synthesis of small cyclic peptides via intramolecular Heck reactions

Reddy, P. Rajamohan,Balraju,Madhavan,Banerji, Biswadip,Iqbal, Javed

, p. 353 - 356 (2007/10/03)

Tripeptides having a 3-bromobenzyl group at the C-termini and an acryloyl group at the N termini undergo efficient intramolecular Heck reactions to afford the corresponding cyclic peptides in good yields. Synthesis of two such peptides is discussed.

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