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1266337-44-3

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1266337-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1266337-44-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,6,3,3 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1266337-44:
(9*1)+(8*2)+(7*6)+(6*6)+(5*3)+(4*3)+(3*7)+(2*4)+(1*4)=163
163 % 10 = 3
So 1266337-44-3 is a valid CAS Registry Number.

1266337-44-3Upstream product

1266337-44-3Downstream Products

1266337-44-3Relevant academic research and scientific papers

Expeditious entry to enantiopure mono- and bis(tricyclic) β-lactams by single or double [2+2] cycloaddition of allenynes

Alcaide, Benito,Almendros, Pedro,Aragoncillo, Cristina,Gomez-Campillos, Gonzalo

experimental part, p. 364 - 370 (2011/02/28)

A thermal methodology for the expeditious preparation of structurally novel strained tricyclic β-lactams containing a cyclobutene ring has been developed. Besides, the first examples accounting for the intramolecular double [2+2] cycloaddition of bis(alle

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