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174272-23-2

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174272-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 174272-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,2,7 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 174272-23:
(8*1)+(7*7)+(6*4)+(5*2)+(4*7)+(3*2)+(2*2)+(1*3)=132
132 % 10 = 2
So 174272-23-2 is a valid CAS Registry Number.

174272-23-2Downstream Products

174272-23-2Relevant articles and documents

Novel synthesis of phytosphingosine from levoglucosenone

Matsumoto, Katsuya,Ebata, Takashi,Matsushita, Hajime

, p. 93 - 106 (2007/10/03)

Phytosphingosine, (2S,3S,4R)-2-amino-1,3,4-octadecanetriol was prepared in 8.6percent overall yield in 17 steps from levoglucosenone (1,6-anhydro-3,4-dideoxy-β-D-glycero-hex-3-enopyranos-2-ulose) by reduction of the carbonyl group, selective cis-oxyamination on the carbon-carbon double bond, oxidation of the 2-mydroxyl group to the carbonyl group, regioselective Baeyer-Villiger oxidation, reduction of the afforded lactone to the linear amino alcohol, oxidation of the primary hydroxyl group to the aldehyde, introduction of the hydrocarbon chain using a Wittig reaction, hydrogenation of the resulting carbon-carbon-double bond, and deprotection. - Keywords: Phytosphingosine: 2-Amino-1,3,4-octadecanetriol: Levoglucosenone: cis-Oxyamination

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