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5-Hydroxy-4-methoxy-5,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyran-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80927-99-7

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80927-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80927-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,2 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 80927-99:
(7*8)+(6*0)+(5*9)+(4*2)+(3*7)+(2*9)+(1*9)=157
157 % 10 = 7
So 80927-99-7 is a valid CAS Registry Number.

80927-99-7Downstream Products

80927-99-7Relevant academic research and scientific papers

SYNTHESIS OF PYRENOCINE A AND B

Ichihara, Akitami,Murakami, Kazuo,Sakamura, Sadao

, p. 4005 - 4006 (1981)

From 5-acetyl-4-hydroxy-6-methyl-α-pyrone, two phytotoxins, pyrenocine A and B, were synthesised and erroneous γ-pyrone structure of the starting compound was corrected on the basis of spectroscopic data.

SYNTHESIS OF PYRENOCINES A, B AND PYRENOCHAETIC ACID A

Ichihara, Akitami,Murakami, Kazuo,Sakamura, Sadao

, p. 5245 - 5250 (2007/10/02)

Starting from 5-acetyl-4-hydroxy-6-methyl-α-pyrone, three phytotoxins, pyrenocines A, B and pyrenochaetic acid A were synthesized.Retro-Diels-Alder reaction was successfully applied in the synthesis of pyrenochaetic acid A.

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