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4-Iodomethyl-1-(toluene-4-sulfonyl)-azetidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81255-73-4

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81255-73-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81255-73-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,5 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81255-73:
(7*8)+(6*1)+(5*2)+(4*5)+(3*5)+(2*7)+(1*3)=124
124 % 10 = 4
So 81255-73-4 is a valid CAS Registry Number.

81255-73-4Relevant academic research and scientific papers

β-lactams as formal dipoles through amide-bond activation

Barbier, Vincent,Marrot, Jrme,Couty, Franois,David, Olivier R. P.

, p. 549 - 555 (2016)

Activation of β-lactams can be achieved by simple Lewis-base catalysis to trigger an unprecedented reaction based on the formal dipolar behaviour of a strained amide bond. A new synthetic route for 1,3-oxazinan-6-ones is presented by reaction of β-lactams

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