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144329-29-3

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144329-29-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144329-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,2 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 144329-29:
(8*1)+(7*4)+(6*4)+(5*3)+(4*2)+(3*9)+(2*2)+(1*9)=123
123 % 10 = 3
So 144329-29-3 is a valid CAS Registry Number.

144329-29-3Relevant articles and documents

Reactivite des 1-F-alkyl-2-fluoroethyl p-toluenesulphonates en milieu basique

Hedhli, A.,Chaabouni, M. M.,Baklouti, A.

, p. 239 - 247 (2007/10/02)

The simple 2-fluorotosylates eliminate p-toluenesulphonic acid (HOTs) in baisc media, the tosyl group being substituted by the action of a nucleophile.In contrast the F-alkylated homologous RF-CHOTs-CH2F undergo elimination of HF in the presence of a donor reagent leading to the 1-F-alkylvinyl p-toluenesulphonates RF-COTs=CH2.Depending on the reaction conditions and the nature of the base, these vinyl tosylates can react firther to give other F-alkylated products (F-alkylmethylketones, 1-hydroxy F-alkanes, 1-F-alkyl ethanols and F-alkylmethylhydrazones).

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