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(R)-1-[(3aS,4R,6S,6aS)-6-(4-Methoxy-benzyloxy)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-2-phenyl-ethanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201678-25-3

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201678-25-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201678-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,6,7 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 201678-25:
(8*2)+(7*0)+(6*1)+(5*6)+(4*7)+(3*8)+(2*2)+(1*5)=113
113 % 10 = 3
So 201678-25-3 is a valid CAS Registry Number.

201678-25-3Upstream product

201678-25-3Relevant academic research and scientific papers

Diastereoselective formal synthesis of the antifungal agent, (+)- Preussin. A new entry to chiral pyrrolidines

Armas, Pedro De,Garcia-Tellado, Fernando,Marrero-Tellado, Jose J.,Robles, Juana

, p. 131 - 134 (1998)

A formal total synthesis of (+)-Preussin was achieved by using D- mannose as the starting material. The key step involved diastereoselective addition of allyltrimethylsilane to the bicyclic ketal 5.

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