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258266-11-4

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258266-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 258266-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,2,6 and 6 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 258266-11:
(8*2)+(7*5)+(6*8)+(5*2)+(4*6)+(3*6)+(2*1)+(1*1)=154
154 % 10 = 4
So 258266-11-4 is a valid CAS Registry Number.

258266-11-4Upstream product

258266-11-4Downstream Products

258266-11-4Relevant articles and documents

Captodative olefin 3-p-nitrobenzoyloxy-3-buten-2-one as a Diels-Alder ketene equivalent for the synthesis of γ-hydroxycyclohexenones

Ochoa, Maria E.,Arias, Maria S.,Aguilar, Raul,Delgado, Francisco,Tamariz, Joaquin

, p. 14535 - 14546 (2007/10/03)

A short and regioselective synthesis of γ-hydroxycyclohexenones is described, using 3-p-nitrobenzoyloxy-3-buten-2-one (2a) as a ketene equivalent in Diels-Alder reactions with substituted dienes. Oxidation with MCPBA of the α-acetylcyclohexenol derivative

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