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3,4-O-Cyclohexylidene-6-O-(p-tolylsulfonyl)-D-altrono-1,5-lactone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

321438-41-9

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321438-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321438-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,4,3 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 321438-41:
(8*3)+(7*2)+(6*1)+(5*4)+(4*3)+(3*8)+(2*4)+(1*1)=109
109 % 10 = 9
So 321438-41-9 is a valid CAS Registry Number.

321438-41-9Relevant academic research and scientific papers

Tetrahydrofuran amino acids: Secondary structure in tetrameric and octameric carbopeptoids derived from a D-allo 5-(aminomethyl)-tetrahydrofuran-2-carboxylic acid

Hungerford, Natasha L.,Claridge, Timothy D.W.,Watterson, Mark P.,Aplin, Robin T.,Moreno, Andres,Fleet, George W.J.

, p. 3666 - 3679 (2000)

The synthesis of a D-allo-5-(azidomethyl)tetrahydrofuran-2-carboxylate as an amino acid precursor (in which the carboxylic acid is cis to the azidomethyl substituent and trans to the diol moiety) is reported from D-ribose. The oligomerisation of this mono

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