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113309-21-0

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113309-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113309-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,3,0 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 113309-21:
(8*1)+(7*1)+(6*3)+(5*3)+(4*0)+(3*9)+(2*2)+(1*1)=80
80 % 10 = 0
So 113309-21-0 is a valid CAS Registry Number.

113309-21-0Downstream Products

113309-21-0Relevant articles and documents

Studies on Synthesis of Linear Aliphatic Compounds. Part 2. The Realisation of a Strategy for Repeated Molecular Doubling.

Igner, Eva,Paynter, Oliver I.,Simmonds, Derek J.,Whiting, Mark C.

, p. 2447 - 2454 (2007/10/02)

Routes from C11 and C12 starting-materials, obtainable free from near homologues, to compounds of doubled chain length have been explored as approaches to the synthesis of n-paraffins and of terminally mono- or bi-functional derivatives.Acetylene alkylation routes lead to problems with prtotecting groups, but the use of the Wittig reaction provides a method of molecular doubling convenient for repeated use, with formation of chain-lengths rising in a geometrical progression.The general problems inherent in the synthesis of very long-chain paraffins are discussed, earlier work is reviewed, and criteria for success are suggested.A useful protecting group for hydroxyl, the tri-p-tolylmethyl(trimtyl) ether, is described.

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