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(E)-4-(1,5,5-trimethyl-3-oxocyclohexyl)but-2-enoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69637-26-9

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69637-26-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69637-26-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,3 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 69637-26:
(7*6)+(6*9)+(5*6)+(4*3)+(3*7)+(2*2)+(1*6)=169
169 % 10 = 9
So 69637-26-9 is a valid CAS Registry Number.

69637-26-9Relevant academic research and scientific papers

Dienediolates from Unsaturated Carboxylic Acids: Michael Addition of Dilithium Buta-1,3-diene-1,1-diolate (from Crotonic Acid) to Unsaturated Ketones

Ballester, Pablo,Costa, Antonio,Raso, Angel Garcia,Gomez-Solivellas, Antonio,Mestres, Ramon

, p. 1711 - 1718 (2007/10/02)

Conjugate addition of the lithium dienediolate derived from crotonic acid to several α,β-unsaturated ketones gave 7-oxocarboxylic acids.Styryl ketones (2a-g) afforded mixtures of 1,4-α- and 1,4-γ-adducts, in proportions depending on the bulk of the substi

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