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1,5-dimethyl-8-(1-methylethenyl)bicyclo<4.4.0>dec-4-en-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138283-56-4

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138283-56-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138283-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,8 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138283-56:
(8*1)+(7*3)+(6*8)+(5*2)+(4*8)+(3*3)+(2*5)+(1*6)=144
144 % 10 = 4
So 138283-56-4 is a valid CAS Registry Number.

138283-56-4Relevant academic research and scientific papers

A FACILE METHOD FOR REGIOSELECTIVE 1,2-CARBONYL TRANSPOSITION OF Δ2-CYCLOHEXENONE SYSTEMS LEADING TO THE POSITIONALLY ISOMERIC Δ2-CYCLOHEXENONES

Mimura, Tetsuya,Nakai, Takeshi

, p. 1099 - 1102 (2007/10/02)

A new, facile procedure is described which allows the regioselective 1,2-carbonyl transposition of Δ2-cyclohexenone systems leading to the positionally isomeric Δ2-cyclohexenones.The scope and limitation of the method is presented.

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