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23998-94-9

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23998-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23998-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,9 and 8 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23998-94:
(7*2)+(6*3)+(5*9)+(4*9)+(3*8)+(2*9)+(1*4)=159
159 % 10 = 9
So 23998-94-9 is a valid CAS Registry Number.

23998-94-9Relevant articles and documents

A Single-Step Asymmetric Phosphodiester Synthesis from Alcohols with Phosphoenolpyruvate Phosphodiester

Fujiyoshi, Kohei,Kanai, Motomu,Kawashima, Shigehiro A.,Yamatsugu, Kenzo

supporting information, p. 1135 - 1140 (2021/06/18)

Phosphodiesters are important structural motifs observed in a diverse field of molecular science. It is, thus, important to develop a simple and robust way to synthesize them from corresponding alcohols. Here we report a single-step asymmetric phosphodies

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