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5-Formyl-4-phenyl-α-(phenylmethylen)-4H-1,3-dioxin-2-acetaldehyd is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83920-13-2

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83920-13-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83920-13-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,2 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83920-13:
(7*8)+(6*3)+(5*9)+(4*2)+(3*0)+(2*1)+(1*3)=132
132 % 10 = 2
So 83920-13-2 is a valid CAS Registry Number.

83920-13-2Upstream product

83920-13-2Downstream Products

83920-13-2Relevant academic research and scientific papers

BENZYLIDENMALONALDEHYD UND SEIN DIMERES

Reichardt, C.,Yun, K.-Y.

, p. 3163 - 3166 (1982)

Unexpectedly, the oxidation of cycloheptatrienyl malonaldehyde 1 does not lead to cycloheptatrienylidene malonaldehyde 2, but yields the hitherto unknown benzylidene malonaldehyde 3, which exists in equilibrium with its dimer 4.

Syntheses with Aliphatic Dialdehydes, XLI. - Benzylidenemalonaldehyde - Synthesis, Structure, and Reactions

Reichardt, Christian,Yun, Kyeong-Yeol,Massa, Werner,Schmidt, Roland E.

, p. 1987 - 1996 (2007/10/02)

Unexpectedly, the oxidation of (cycloheptatrienyl)malonaldehyde (1) with silver(I) oxide or 2,3-dichloro-5,6-dicyano-1,4-benzoquinone does not give (cycloheptatrienylidene)malonaldehyde (2), but yields the hitherto unknown benzylidenemalonaldehyde (3) whi

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