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1262218-30-3

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1262218-30-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262218-30-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,2,1 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1262218-30:
(9*1)+(8*2)+(7*6)+(6*2)+(5*2)+(4*1)+(3*8)+(2*3)+(1*0)=123
123 % 10 = 3
So 1262218-30-3 is a valid CAS Registry Number.

1262218-30-3Upstream product

1262218-30-3Relevant academic research and scientific papers

A novel enantiopure tricyclic β-lactam via stereoselective intramolecular nitrilimine cycloaddition

Buttero, Paola Del,Molteni, Giorgio,Pilati, Tullio

, p. 2607 - 2611 (2010)

Starting from the Staudinger [2+2] cycloaddition between the 1-azadiene 1 and acetoxyacetylketene, generated in situ from acetoxyacetyl chloride, we developed a seven-step synthesis of the novel azeto[3′,4′:2,3] pyrano[4,5-c]pyrazole skeleton 9 in both ra

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