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2520-57-2

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2520-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2520-57-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,2 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2520-57:
(6*2)+(5*5)+(4*2)+(3*0)+(2*5)+(1*7)=62
62 % 10 = 2
So 2520-57-2 is a valid CAS Registry Number.

2520-57-2Downstream Products

2520-57-2Relevant articles and documents

Preparation of the Hexanolide Isolated from Conyza hypoleuca

Simonot, Bruno,Rousseau, Gerard

, p. 5723 - 5724 (1993)

A synthesis of racemic 13-hydroxy-10-sesquigeranic-1,12-olide is reported using bis(sym-collidine)iodine(I) hexafluorophosphate in the lactonisation key step.

Allylic alcohols as radical allylating agents. An overall olefination of aldehydes and ketones

Charrier, Nicolas,Quiclet-Sire, Beatrice,Zard, Samir Z.

scheme or table, p. 8898 - 8899 (2009/02/03)

2-Fluoropyridyl derivatives of allylic alcohols react with xanthates in the presence of lauroyl peroxide to give alkenes, often with high stereoselectivity. If the allylic alcohols are themselves derived from aldehydes or ketones, the overall process becomes a synthetic equivalent of the classical Wittig and related olefination reactions. Copyright

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