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648904-00-1

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648904-00-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 648904-00-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,8,9,0 and 4 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 648904-00:
(8*6)+(7*4)+(6*8)+(5*9)+(4*0)+(3*4)+(2*0)+(1*0)=181
181 % 10 = 1
So 648904-00-1 is a valid CAS Registry Number.

648904-00-1Downstream Products

648904-00-1Relevant articles and documents

Synthesis of tetra- and pentasaccharides corresponding to the capsular polysaccharide of Streptococcus pneumoniae type 9A&L, 9N and 9A

Alpe, Mia,Oscarson, Stefan

, p. 2605 - 2609 (2007/10/03)

Two tetrasaccharides, α-D-GlcAp-(1→3)-α-D-Galp-(1→3)- β-D-ManpNAc-(1→4)-β-D-Glcp and α-D-GlcAp-(1→3)- α-D-Glcp-(1→3)-β-D-ManpNAc-(1→4)-β-D-Glcp (protected form), and a pentasaccharide, α-D-Glcp-(1→4)-α-D-GlcAp- (1→3)-α-D-Galp-(1→3)-β-D-ManpNAc-(1→4)-β-D-Glcp have been synthesised from 2-aminoethyl glycoside trisaccharide acceptors in a linear approach via consecutive α-glycosylations. Ethyl thioglycosides were used as glycosyl donors and DMTST in Et2O or NIS/TfOH in CH 2Cl2 were employed as promoters.

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