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136342-81-9

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136342-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136342-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,3,4 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 136342-81:
(8*1)+(7*3)+(6*6)+(5*3)+(4*4)+(3*2)+(2*8)+(1*1)=119
119 % 10 = 9
So 136342-81-9 is a valid CAS Registry Number.

136342-81-9Downstream Products

136342-81-9Relevant academic research and scientific papers

Synthesis of the sialic acid (-)-KDN and certain epimers from (-)-3-dehydroshikimic acid or (-)-quinic acid

Banwell, Martin G.,Hungerford, Natasha L.,Jolliffe, Katrina A.

, p. 2737 - 2740 (2004)

(-)-3-Dehydroshikimic acid (3-DHS, 4), a C7-building block now available in large quantity from corn syrup, has been converted into the sialic acid (-)-KDN (3) as well as its C-7- and C-8-epimers. (-)-Quinic acid can be used for the same purpos

Unusual stereoselectivity in sialic acid aldolase-catalyzed aldol condensations: Synthesis of both enantiomers of high-carbon monosaccharides

Lin, Chun-Hung,Sugai, Takeshi,Halcomb, Randall L.,Ichikawa, Yoshitaka,Wong, Chi-Huey

, p. 10138 - 10145 (2007/10/02)

An inversion of stereoselectivity in aldol condensations catalyzed by sialic acid aldolase (from Escherichia coli, Shinko American Inc.) was observed when L-mannose, 6-deoxy-L-mannose, L-talose, 2-deoxy-L-glucose, 2-deoxy-L-rhamnose, N-acetyl-L-mannosamin

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