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131501-50-3

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131501-50-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131501-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,0 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131501-50:
(8*1)+(7*3)+(6*1)+(5*5)+(4*0)+(3*1)+(2*5)+(1*0)=73
73 % 10 = 3
So 131501-50-3 is a valid CAS Registry Number.

131501-50-3Downstream Products

131501-50-3Relevant articles and documents

Combined chemical-enzymic synthesis of deoxygenated oligosaccharide analogs: transfer of deoxygenated D-GlcpNAc residues from their UDP-GlcpNAc derivatives using N-acetylglucosaminyltransferase I

Srivastava, Geeta,Alton, Gordon,Hindsgaul, Ole

, p. 259 - 276 (2007/10/02)

The 3"-,4"-, and 6"-deoxy analogs of UDP-GlcpNAc have been synthesized chemically and found to act as donor-substrates for N-acetylglucosaminyltransferase-I (GnT-I) from human milk.Incubation of UDP-GlcpNAc and these deoxy analogs with GnT-I in the presence of α-D-Manp-(1->3)-6)>-β-D-Manp-O(CH2)8COOMe gave β-D-GlcpNAc-(1->2)-α-D-Manp-(1->3)-6)>-β-D-Manp-O(CH2)8COOMe(6), and the deoxy analogs 12-14 where HO-3, HO-4, and HO-6, respectively, of the β-D-GlcNAc residue were replaced by hydrogen.The tetrasaccharide glycosides 6 and 12-14 were characterized by 1H-n.m.r. spectroscopy and evaluated as acceptors for GnT-II, the next enzyme in the pathway of biosynthesis of Asn-linked oligosaccharides.Deoxygenation of the 3-position of the β-D-GlcNAc residue of 6 completely abolished its acceptor activity, whereas removal of HO-4 or HO-6 caused only modest decreases in activity.

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