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32552-21-9

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32552-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32552-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,5,5 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 32552-21:
(7*3)+(6*2)+(5*5)+(4*5)+(3*2)+(2*2)+(1*1)=89
89 % 10 = 9
So 32552-21-9 is a valid CAS Registry Number.

32552-21-9Relevant articles and documents

Synthesis and antifungal activity of 7-methyl-7-hydroxy-2,3-benzo[c]octa-1, 6-olide

Zhao, Jin,Dong, Hong-Bo,Yang, Ming-Yan,Du, Juan,Jiang, Jia-Zheng,Wang, Ming-An

, p. 312 - 317 (2014/02/14)

The racemic 7-methyl-7-hydroxy-2,3-benzo[c]octa-1,6-olide, the analog of natural product (6R)-3,7-dimethyl-7-hydroxy-2-octen-1,6-olide, was totally synthesized using easily available (E)-2-(2-carboxyvinyl)benzoic acid as a raw material in nine-step reacti

Supramolecular control of selectivity in hydroformylation of vinyl arenes: Easy access to valuable β-aldehyde intermediates

Dydio, Pawel,Reek, Joost N. H.

, p. 3878 - 3882 (2013/05/09)

Go against the flow! A rationally designed regioselective hydroformylation catalyst, [Rh/L], in which noncovalent ligand-substrate interactions allow the unprecedented reversal of selectivity from the typical α-aldehyde to the otherwise unfavored product β-aldehyde, is reported. This catalytic system opens up novel and sustainable synthetic pathways to important intermediates for the fine-chemicals industry.

Synthesis of Isomeric Methyl ε-Hydroxycarboxylates

Arth, Christoph,Clemens, Martina,Meise, Werner

, p. 259 - 264 (2007/10/02)

The synthesis of the three isomeric methyl ε-hydroxycarboxylates 3, 6 and 10a in good overall yields is described. - Key Words: Methyl ε-hydroxycarboxylates / Carboxylic acids, ε-hydroxy- / Phenylalkanoic acids, o-(hydroxyalkyl)-

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