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128632-84-8

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128632-84-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128632-84-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,3 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128632-84:
(8*1)+(7*2)+(6*8)+(5*6)+(4*3)+(3*2)+(2*8)+(1*4)=138
138 % 10 = 8
So 128632-84-8 is a valid CAS Registry Number.

128632-84-8Downstream Products

128632-84-8Relevant articles and documents

Novel Inhibitors of Human Renin. Cyclic Peptides Based on the Tetrapeptide Sequence Glu-D-Phe-Lys-D-Trp

Dutta, Anand S.,Gormley, James J.,McLachlan, Peter F.,Major, John S.

, p. 2552 - 2560 (2007/10/02)

Cyclic peptide inhibitors of human renin based on a linear peptide, Boc-D-Phe-Cys(Acm)-D-Trp-Leu-OMe (1), were prepared by solution-phase methods.Potent inhibitors were obtained in one series of compounds, (3), in which the D-phenylalanine residue was incorporated in a 15-membered ring structure.Any reductions or enlargements of the ring size led to inactive or less potent peptides.The most potent inhibitor of human renin, (31) (IC50 6.3 * 10-8M), was obtained by changing N- and C-terminal parts of pentapeptide 3.It was about 650-fold more potent than linear tetrapeptide 1 and about 50-fold more potent than cyclic peptide 3.Compound 31 was also 112-fold more potent against human renin than against porcine renin.

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