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(2R,2'S,2''R,3S,4S,6'S,6''S)-3-O-benzyl-1-O,2-O-(6,6'-dimethyl-3,3',4,4',5,5',6,6'-octahydro-2,2'-diyl)-adonitol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

173397-77-8

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173397-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173397-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,3,9 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 173397-77:
(8*1)+(7*7)+(6*3)+(5*3)+(4*9)+(3*7)+(2*7)+(1*7)=168
168 % 10 = 8
So 173397-77-8 is a valid CAS Registry Number.

173397-77-8Upstream product

173397-77-8Relevant academic research and scientific papers

Dispiroketals in Synthesis (Part 19): Dispiroketals as Enantioselective and Regioselective Protective Agents for Symmetric Cyclic and Acyclic Polyols.

Downham, Robert,Edwards, Paul J.,Entwistle, David A.,Hughes, Andrew B.,Kim, Kun Soo,Ley, Steven V.

, p. 2403 - 2440 (2007/10/03)

The enantioselective preparation of both enantiomers of a C2-symmetric diphenyl-bidihydropyran 3 and 4 is described.The application of enantiopure bi-dihydropyrans 1-4 towards the simultaneous enantioselective differentiation and regioselective protection of a range of cyclic and acyclic symmetrical polyols (23, 37, 43, 45, 54, 61 and 66) is investigated.Several deprotections utilising trifluoroacetic acid (TFA) and a transketalisation with acidic glycerol are presented.

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