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127251-72-3

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127251-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127251-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,5 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 127251-72:
(8*1)+(7*2)+(6*7)+(5*2)+(4*5)+(3*1)+(2*7)+(1*2)=113
113 % 10 = 3
So 127251-72-3 is a valid CAS Registry Number.

127251-72-3Downstream Products

127251-72-3Relevant articles and documents

INTRODUCTION OF SELENIUM TO HETEROCYCLIC COMPOUNDS. PART V. SYNTHESIS PF 2-PYRIMIDINESELENONES FROM 2-PYRIMIDINETHIONES

Korohoda, Maria Jolanta,Slomska, Elzbieta,Szczurek, Halina

, p. 165 - 171 (2007/10/02)

The earlier described method of introduction of selenium to the five-membered heterocyclic ring was applied to synthesize the six-membered heterocyclic ring containing an exocyclic atom of selenium.Ten new derivatives of 2-pyrimidineselenone have been obtained from methylation products of appropriate derivatives of 2-pyrimidinethione treated with the HSe- ion.The structure of the obtained compounds has been confirmed by spectral data.The contribution of and bond vibrations in the IR spectrum is discussed.

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