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201359-55-9

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201359-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201359-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,3,5 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 201359-55:
(8*2)+(7*0)+(6*1)+(5*3)+(4*5)+(3*9)+(2*5)+(1*5)=99
99 % 10 = 9
So 201359-55-9 is a valid CAS Registry Number.

201359-55-9Relevant articles and documents

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Fletcher,Tarbell

, p. 1431 (1943)

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Structure-activity relationships in the domain of odorants having marine notes

Gaudin, Jean-Marc,De Saint Laumer, Jean-Yves

, p. 1437 - 1447 (2015/03/04)

Continuing our investigations into marine note odorants, we herein describe several new scaffolds. Among them, 2,3-dihydrobenzofuran-2-carbaldehyde is particularly interesting. The results demonstrate that the seven-membered ring with a ketone functional group of the Calone 1951 family can be replaced by a five-membered ring carrying an aldehydefunction. In addition, this work has allowed us to discover the valuable 2-methoxy-4-methylphenyl methyl carbonate (20b), which is very close to vanillin, and 2-methoxy-2,4-dimethyl-1,3-benzodioxole (29d), which belongs to the isoeugenol/dihydroeugenol olfactive family.

Selective O-deallylation of o-allyloxyanisoles

Sanz, Roberto,Martínez, Alberto,Marcos, César,Fa?ańas, Francisco J.

experimental part, p. 1957 - 1960 (2009/05/26)

o-Allyloxyanisoles are selectively and easily deallylated by treatment with sec- or tert-butyllithium at low temperature. The reaction is proposed to proceed through a tandem intermolecular carbolithiation-β;-elimination process, which can also be considered an SN2′ attack of the organolithium on the allyl ether.

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