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(R)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (1S,4aS)-4a,8-dimethyl-7-oxo-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139909-15-2

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139909-15-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139909-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,0 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139909-15:
(8*1)+(7*3)+(6*9)+(5*9)+(4*0)+(3*9)+(2*1)+(1*5)=162
162 % 10 = 2
So 139909-15-2 is a valid CAS Registry Number.

139909-15-2Downstream Products

139909-15-2Relevant academic research and scientific papers

Microbiologically modified chiral synthon. III. 4,9-Dimethyl-3,5-dioxo-Δ(4(10))-octalin for formal total syntheses of certain sesquiterpenoids

Shimizu,Ohkura,Akita,Oishi,Iitaka,Inayama

, p. 2973 - 2979 (1991)

Microbiological enantioselective transformation of 4,9-dimethyl-3,5-dioxo-Δ(4(10))-octalin, (±)-1 was accomplished with various yeasts, e.g. Rhodotorula ruhra. With properly selected microorganisms, (±)-4,9S-dimethyl-5S-hydroxy(2a) and (-)-4,9R-dimethyl-5S-hydroxy-3-oxo-Δ(4(10))-octalin (3b), (-)-4,9R-dimethyl-3S-hydroxy- (6b) and (±)4,9S-dimethyl-3S-hydroxy-5-oxo-Δ(4(10))-octalin (7a) were obtained with high optical purity. These compounds have now become available for the total syntheses of sesquiterpenoids such as tuberiferine and temisin.

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