Cas 5447-75-6,ethyl 9-oxo-9H-fluorene-4-carboxylate

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ethyl 9-oxofluorene-4-carboxylate
Cas No: 5447-75-6
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Dayang Chem (Hangzhou) Co.,Ltd.
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5447-75-6
Cas No: 5447-75-6
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Henan Tianfu Chemical Co., Ltd.
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ethyl 9-oxofluorene-4-carboxylate cas 5447-75-6
Cas No: 5447-75-6
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Hangzhou Fandachem Co.,Ltd
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5447-75-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5447-75-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,4 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5447-75:
(6*5)+(5*4)+(4*4)+(3*7)+(2*7)+(1*5)=106
106 % 10 = 6
So 5447-75-6 is a valid CAS Registry Number.

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5447-75-6Relevant articles and documents

Substituted diaryldiazomethanes and diazofluorenes: Structure, reactivity and stability

Davis, Philip J.,Harris, Lawrence,Karim, Aman,Thompson, Amber L.,Gilpin, Martin,Moloney, Mark G.,Pound, Matthew J.,Thompson, Claire

supporting information; experimental part, p. 1553 - 1556 (2011/04/26)

The synthesis of several substituted diaryldiazomethanes and diazofluorenes, and an assessment of their structure, reactivity and stability, is reported.

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CAS

5447-75-6