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1-<(2'-tetrahydropyranyl)oxy>-5-<(triphenylmethyl)-oxy>-3-oxapentane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

118832-36-3

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118832-36-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118832-36-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,8,3 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 118832-36:
(8*1)+(7*1)+(6*8)+(5*8)+(4*3)+(3*2)+(2*3)+(1*6)=133
133 % 10 = 3
So 118832-36-3 is a valid CAS Registry Number.

118832-36-3Downstream Products

118832-36-3Relevant academic research and scientific papers

Phase-Transfer-Catalyzed Synthesis of Oligoethylene Glycols and Derivatives

Bartsch, Richard A.,Cason, Victor C.,Czech, Bronislaw P.

, p. 857 - 860 (2007/10/02)

An efficient, two-step synthetic method for the addition of ethyleneoxy units to diols is reported.Reaction of HOROH with Cl(CH2CH2O)nTHP and 50percent aqueous NaOH in the presence of a phase-transfer catalyst gives THP(OCH2CH2)nORO(CH2CH2O)nTHP from which the protecting groups are readily removed to provide H(OCH2CH2)nORO(CH2CH2O)n in good-to-excellent yields.The influence of reactant diol structure upon yield has been determined.

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