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(2,4-dimethoxyphenyl)((2S,3S,3aS,4S,9bR)-7-methoxy-2,4-bis(4-methoxyphenyl)-2,3,3a,9b-tetrahydro-4H-furo[3,2-c]chromen-3-yl)methanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133740-27-9

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133740-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133740-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,4 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 133740-27:
(8*1)+(7*3)+(6*3)+(5*7)+(4*4)+(3*0)+(2*2)+(1*7)=109
109 % 10 = 9
So 133740-27-9 is a valid CAS Registry Number.

133740-27-9Downstream Products

133740-27-9Relevant academic research and scientific papers

Total Synthesis of (+)-Lophirone H and Its Pentamethyl Ether Utilizing an Oxonium-Prins Cyclization

Abas, Hossay,Linsdall, Sean M.,Mamboury, Mathias,Rzepa, Henry S.,Spivey, Alan C.

, p. 2486 - 2489 (2017)

The first total synthesis of (+)-lophirone H (1) and its pentamethyl ether 29, featuring an oxonium-Prins cyclization/benzylic cation trapping reaction, is described.

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