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142052-36-6

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142052-36-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142052-36-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,5 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 142052-36:
(8*1)+(7*4)+(6*2)+(5*0)+(4*5)+(3*2)+(2*3)+(1*6)=86
86 % 10 = 6
So 142052-36-6 is a valid CAS Registry Number.

142052-36-6Downstream Products

142052-36-6Relevant articles and documents

Substitution of the acetoxy groups of dialkoxymethylacetates by organometallic reagents: a route to allyl-, propargyl-, homoallyl-, homopropargyl- and α-stannylacetals

Beaudet, Isabelle,Duchene, Alain,Parrain, Jean-Luc,Quintard, Jean-Paul

, p. 201 - 212 (1992)

The substitution of the acetoxy groups of dialkoxymethylacetates by organometallic reagents has been examined in a search for new methods of preparing functional acetals.The efficiency of the substitution of the acetoxy group is highly dependent on the nature of the organometallic reagents: soft nucleophiles with strong electrophilic assistance by the counterion are the best reagents.Allyl-, propargyl-, homoallyl-, homopropargyl- and α-stannylacetals have been made by this route, in which dialkoxymethylacetates often function as useful substitutes for dialkylphenylorthoformates.

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