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640722-41-4

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640722-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 640722-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,7,2 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 640722-41:
(8*6)+(7*4)+(6*0)+(5*7)+(4*2)+(3*2)+(2*4)+(1*1)=134
134 % 10 = 4
So 640722-41-4 is a valid CAS Registry Number.

640722-41-4Relevant academic research and scientific papers

Synthesis of an α-linked dimer of the trisaccharide repeating unit of the exopolysaccharide produced by Pediococcus damnosus 2.6

Li, Aixiao,Kong, Fanzuo

, p. 2499 - 2506 (2007/10/03)

A hexasaccharide, β-d-Glcp-(1→3)-[β-d-Glcp-(1→2)]- α-d-Glcp-(1→3)-β-d-Glcp-(1→3)-[β-d-Glcp-(1→2)] -d-Glcp, the α-linked dimer of the trisaccharide repeating unit of the exopolysaccharide produced by Pediococcus damnosus 2.6, was synthesized as its methyl

Synthesis of β-D-glucose oligosaccharides from Phytophthora parasitica

Zeng, Youlin,Kong, Fanzuo

, p. 2359 - 2366 (2007/10/03)

The glucohexaose, β-D-Glcp-(1→3)-[β-D-Glcp-(1→3)- β-D-Glcp-(1→3)-β-D-Glcp-(1→6)]-β-D-Glcp-(1→3) -D-Glcp, was synthesized as its allyl glycoside via 3+3 strategy. The trisaccharide donor, 2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1→3)- 2,4,6-tri-O-acetyl

Synthesis of 3,6-Branched β-D-Glucose Oligosaccharides

Zeng, Youlin,Kong, Fanzuo

, p. 881 - 890 (2007/10/03)

A glucohexasaccharide, β-D-Glcp-(1→3)-[β-D-Glcp-(1→3)- β-D-Glcp-(1→6)]-β-D-Glcp-(1→3)-β-D-Glcp-(1→3) -β-D-Glcp was synthesized as its 4-methoxyphenyl glycosidevia 2 + 2 + 2 strategy with benzylidenated glucose mono- and disaccharides as the key intermedia

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