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79644-53-4

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79644-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79644-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,4 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79644-53:
(7*7)+(6*9)+(5*6)+(4*4)+(3*4)+(2*5)+(1*3)=174
174 % 10 = 4
So 79644-53-4 is a valid CAS Registry Number.

79644-53-4Relevant articles and documents

Use of ?-Allyltricarbonyliron Lactam Complexes in the Preparation of Nocardicin Derivatives: Synthesis of (-)-3-Oxo-1-azetidin-2-one

Hodgson, Simon T.,Hollinshead, David M.,Ley, Steven V.,Low, Caroline M.R.,Williams, David J.

, p. 2375 - 2382 (2007/10/02)

A short five-step synthesis, in 79percent overall yield, of (-)-3-oxo-1-azetidin-2-one (3), a precursor for nocardicin synthesis has been developed from isoprene monoepoxide.The key steps of the procedure rely o

A Novel Synthesis of (+/-)-3-Aminonocardinic Acid

Chiba, Katsumi,Mori, Miwako,Ban, Yoshio

, p. 770 - 772 (2007/10/02)

(+/-)-3-Aminonocardinic acid, which is an important starting material for the synthesis of nocardicin A and other biologically active analogues, has been synthesized by application of a new method for synthesis of α-methylene-β-lactams.

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