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(8R,9R)-8,9-Dimethyl-tetrahydro-3a,6a-propano-pentalen-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74431-16-6

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74431-16-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74431-16-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,3 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74431-16:
(7*7)+(6*4)+(5*4)+(4*3)+(3*1)+(2*1)+(1*6)=116
116 % 10 = 6
So 74431-16-6 is a valid CAS Registry Number.

74431-16-6Downstream Products

74431-16-6Relevant academic research and scientific papers

Photochemistry of Cyclopentenones: Tricycloundecenones and Tricycloundecenones

Cargill, Robert L.,Peet, Norton P.,Pond, David M.,Bundy, William A.,Sears, A. Bradford

, p. 3999 - 4001 (2007/10/02)

The irradiation of the tricycloundecenones 6a-c, even in cyclohexene as solvent, results only in a quantitative isomerization to 7a-c, whereas irradiation of the tricycloundecenones 11 and 18 in cyclohexene gives primarily cycloadducts and products of "frustrated" cycloaddition.

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