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19995-06-3

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19995-06-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19995-06-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,9 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19995-06:
(7*1)+(6*9)+(5*9)+(4*9)+(3*5)+(2*0)+(1*6)=163
163 % 10 = 3
So 19995-06-3 is a valid CAS Registry Number.

19995-06-3Downstream Products

19995-06-3Relevant articles and documents

Synthesis of Dibenzothiophene and 1,4-Dihydrodibenzothiophene Derivatives via Allylic Phosphonium Salt Initiated Domino Reactions

Li, Ke,Yu, Aimin,Meng, Xiangtai

supporting information, p. 1106 - 1109 (2018/02/23)

Two efficient synthetic protocols were developed for the synthesis of dibenzothiophene and 1,4-dihydrodibenzothiophene using thioaurones and allylic phosphonium salt. Mild reaction conditions, a one-pot procedure, and easily accessible starting materials make these protocols powerful tools for the synthesis of these compounds, which are often used in material and pharmaceutical sciences.

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