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431062-45-2

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431062-45-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 431062-45-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,0,6 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 431062-45:
(8*4)+(7*3)+(6*1)+(5*0)+(4*6)+(3*2)+(2*4)+(1*5)=102
102 % 10 = 2
So 431062-45-2 is a valid CAS Registry Number.

431062-45-2Relevant articles and documents

Synthesis of oligosaccharide derivatives related to those from sanqi, a Chinese herbal medicine from Panax notoginseng

Yang, Feng,Du, Yuguo

, p. 485 - 491 (2007/10/03)

Oligosaccharide derivatives from sanqi, a Chinese herbal medicine derived from Panax notoginseng, methyl β-D-galactopyranosyl-(1→3)-[α-L-arabinofuranosyl- (1→6)]-α-D-galactopyranoside, diosgenyl β-D-galactopyranosyl-(1→3)-[α-L-arabinofuranosyl- (1→6)]-α-D-galactopyranoside, and methyl β-D-galactopyranosyl-(1→3)-[α-L-arabinofuranosyl- (1→6)]-α-D-galactopyranosyl-(1→4)-β-D- galactopyranosyl-(1→3)-[α-L-arabinofuranosyl-(1→6)] -α-D-galactopyranoside, were synthesized under standard glycosylation conditions. An unexpected α-(1→4) linkage was formed predominantly in the presence of neighboring participation group during regioselective synthesis of hexasaccharide via 3+3 strategy.

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