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267890-72-2

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267890-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 267890-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,8,9 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 267890-72:
(8*2)+(7*6)+(6*7)+(5*8)+(4*9)+(3*0)+(2*7)+(1*2)=192
192 % 10 = 2
So 267890-72-2 is a valid CAS Registry Number.

267890-72-2Downstream Products

267890-72-2Relevant articles and documents

Novel stereocontrolled glycosidations using a solid acid, SO4/ZrO2, for direct syntheses of α- and β-mannopyranosides

Toshima, Kazunobu,Kasumi, Ken-Ichi,Matsumura, Shuichi

, p. 643 - 645 (1998)

Novel stereocontrolled glycosidations using an environmentally friendly solid acid, sulfated zirconia (SO4/ZrO2), for direct syntheses of α- and β-mannopyranosides have been developed. The glycosidations of the totally benzylated mannopyranosyl fluoride 1 and various alcohols using SO4/ZrO2 in CH3CN at 40°C for 15 h exclusively gave the corresponding α-mannopyranosides. On the other hand, the corresponding β-mannopyranosides were selectively obtained by the glycosidations of 1 and various alcohols employing SO4/ZrO2 in the presence of molecular sieves 5A? in Et2O at 25°C for 15 h.

Stereocontrolled glycosidations using a heterogeneous solid acid, sulfated zirconia, for the direct syntheses of α- and β-manno- and 2-deoxyglucopyranosides

Toshima, Kazunobu,Nagai, Hideyuki,Kasumi, Ken-Ichi,Kawahara, Kanako,Matsumura, Shuichi

, p. 5331 - 5339 (2007/10/03)

Novel α- and β-stereocontrolled glycosidations using a heterogeneous solid acid, sulfated zirconia (SO4/ZrO2), as an activator have been developed. The glycosidations of manno- and 2-deoxyglucopyranosyl α-fluorides with several alcoh

A simple polar deacetylated caloporoside derivative is a positive modulator of the GABA(A) chloride channel complex in cortical mammalian neurones

Lees, George,Chazot, Paul L.,Vankayalapati, Hariprasad,Singh, Gurdial

, p. 1759 - 1761 (2007/10/03)

Synthesis of octyl-O-β-D-mannopyranoside, a caloporoside analogue was achieved by the activation of 2,3,4,6-tetra-O-benzyl-1-O-1',3'2'-dioxaphosphacy clohexane-α,β-D-mannopyranosyl-2-oxide with TMSOTf (Trimethyl silyl triflate) and subsequent debenzylation. At 100 μM the molecule significantly and reversibly increased the magnitude of GABA(A) currents evoked in cultured rat pyramidal neurones whilst concomitantly reducing the incidence of spontaneous synaptic activity. These results contradict earlier proposals that such molecules bind to the TBPS (tert-Butylbicyclophosphorothionate) site to block the chloride channel. (C) 2000 Elsevier Science Ltd. All rights reserved.

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