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50694-97-8

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50694-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50694-97-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,9 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 50694-97:
(7*5)+(6*0)+(5*6)+(4*9)+(3*4)+(2*9)+(1*7)=138
138 % 10 = 8
So 50694-97-8 is a valid CAS Registry Number.

50694-97-8Relevant articles and documents

Directing-protecting groups for carbohydrates. Design, conformational study, synthesis and application to regioselective functionalization

Moitessier, Nicolas,Englebienne, Pablo,Chapleur, Yves

, p. 6839 - 6853 (2007/10/03)

A novel concept of regioselective transformation of secondary hydroxyl groups in carbohydrates is presented. First, the relative reactivity of the free hydroxyl groups of onoprotected d-glucose derivatives was assessed using acetylation as a model reactio

Novel methods for the preparation of partially acetylated carbohydrates

Hanessian, Stephen,Kagotani, Masahiro

, p. 67 - 79 (2007/10/02)

The selective acetylation of methyl α-D-hexopyranosides in the presence of zinc chloride shows unusual reactivity patterns compared to control experiments.Hydroperoxide ion is a mild and selective deacetylation reagent which does not attack primary acetates.

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