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7721-50-8

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7721-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7721-50-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,2 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7721-50:
(6*7)+(5*7)+(4*2)+(3*1)+(2*5)+(1*0)=98
98 % 10 = 8
So 7721-50-8 is a valid CAS Registry Number.

7721-50-8Downstream Products

7721-50-8Relevant articles and documents

Facile Enzymatic Synthesis of Phosphorylated Ketopentoses

Wen, Liuqing,Huang, Kenneth,Liu, Yunpeng,Wang, Peng George

, p. 1649 - 1654 (2016)

An efficient and convenient platform for the facile synthesis of phosphorylated ketoses is described. All eight phosphorylated ketopentoses were produced using this platform starting from two common and inexpensive aldoses (d-xylose and l-arabinose) in more than 84% isolated yield (gram scale). In this method, reversible conversions (isomerization or epimerization) were accurately controlled toward the formation of desired ketose phosphates by targeted phosphorylation reactions catalyzed by substrate-specific kinases. The byproducts were selectively removed by silver nitrate precipitation avoiding the tedious and time-consuming separation of sugar phosphate from adenosine phosphates (ATP and ADP). Moreover, the described strategy can be expanded for the synthesis of other sugar phosphates.

Diastereoselektive, enzymatische Aldoladditionen mit L-Rhamnulose- und L-Fuculose-1-phosphat-Aldolasen aus E. coli

Fessner, Wolf-Dieter,Sinerius, Gudrun,Schneider, Achim,Dreyer, Matthias,Schulz, Georg E.,et al.

, p. 596 - 599 (2007/10/02)

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