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144765-05-9

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144765-05-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144765-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,6 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 144765-05:
(8*1)+(7*4)+(6*4)+(5*7)+(4*6)+(3*5)+(2*0)+(1*5)=139
139 % 10 = 9
So 144765-05-9 is a valid CAS Registry Number.

144765-05-9Downstream Products

144765-05-9Relevant articles and documents

Synthesis of 5-fluoro-1,3-dioxin-4-ones: Novel alternatives to α-fluorinated acyl ketenes

Iwaoka,Murohashi,Sato,Kaneko

, p. 977 - 981 (1992)

Fluorination of 5,6-unsubstituted 1,3-dioxin-4-ones and their 6-substituted derivatives by molecular fluorine followed by treatment with an appropriate organic base affords the title compounds, which can be converted either into heterocyclic compounds or into acylacetic acid derivatives having a fluorine atom.

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