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126572-15-4

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126572-15-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126572-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,7 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 126572-15:
(8*1)+(7*2)+(6*6)+(5*5)+(4*7)+(3*2)+(2*1)+(1*5)=124
124 % 10 = 4
So 126572-15-4 is a valid CAS Registry Number.

126572-15-4Upstream product

126572-15-4Downstream Products

126572-15-4Relevant articles and documents

Reaction of Ethyl Diethoxyacrylate with Alkynylalkoxycarbene Metal (Cr, W) Complexes: New Procedure for Preparation of 6-Ethoxy-2H-pyrones

Camps, Francisco,Moreto, Josep M.,Ricart, Susagna,Vinas, Josep M.,Molins, E.,Miravitlles, C.

, p. 1560 - 1562 (1989)

The reaction of ethyl diethoxyacrylate with alkynylalkoxycarbene metal complexes affords 6-ethoxy-2H-pyranylidene metal complexes (M=Cr, W) through a plausible cycloaddition, followed by conrotatory cyclobutene opening and final cyclization at the carbene centre; mild dimethylsulphoxide (DMSO) oxidation of the resulring complex gives the free ligand quantitatively.

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