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2H-1-Benzopyran-2-one, 6,8-dibromo- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21524-15-2

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21524-15-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21524-15-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,5,2 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21524-15:
(7*2)+(6*1)+(5*5)+(4*2)+(3*4)+(2*1)+(1*5)=72
72 % 10 = 2
So 21524-15-2 is a valid CAS Registry Number.

21524-15-2Upstream product

21524-15-2Relevant academic research and scientific papers

A single precatalyst tandem RCM-allylic oxidation sequence

Schmidt, Bernd,Krehl, Stefan

supporting information; experimental part, p. 5879 - 5881 (2011/06/23)

Ring closing metathesis of allyloxy styrenes and a subsequent Ru-catalyzed allylic oxidation can be combined to a tandem sequence that makes coumarins accessible using less active but more conveniently available first generation catalysts.

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