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4-<(benzyloxycarbonyl)amino>-N-(2-bromoethyl)butanamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81128-70-3

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81128-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81128-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,2 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81128-70:
(7*8)+(6*1)+(5*1)+(4*2)+(3*8)+(2*7)+(1*0)=113
113 % 10 = 3
So 81128-70-3 is a valid CAS Registry Number.

81128-70-3Relevant academic research and scientific papers

Pyrrolizidine Alkaloid Biosynthesis. Incorporation of 14C-Labelled Precursors into Retronecine

Robins, David J.,Sweeney, John R.

, p. 3083 - 3086 (1981)

The biosynthesis of the retronecine (3) portion of the pyrrolizidine alkaloid retrorsine (1) present in Senecio isatideus plants has been studied with the aid of 14C-labelled precursors.Putrescine (5), spermidine (6), and spermine (7), are the most efficient precursors of the pyrrolizidine ring.Degradations of labelled retronecine samples indicated that two molecules of each precursor are utilised, and that from these two molecules, a symmetrical intermediate of the type C4-N-C4 is formed and converted into retronecine.

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