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950229-90-0

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950229-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 950229-90-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,0,2,2 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 950229-90:
(8*9)+(7*5)+(6*0)+(5*2)+(4*2)+(3*9)+(2*9)+(1*0)=170
170 % 10 = 0
So 950229-90-0 is a valid CAS Registry Number.

950229-90-0Downstream Products

950229-90-0Relevant academic research and scientific papers

Synthesis of some novel bioactive 4-oxy/thio substituted-1H-pyrazol-5(4H)-ones via efficient cross-Claisen condensation

Venkat Ragavan,Vijayakumar,Suchetha Kumari

, p. 3852 - 3857 (2009)

α-Oxy/thio substituted-β-keto esters were synthesized through an efficient cross-Claisen condensation of aryl oxy/thio acetic acid ethyl esters with acid chlorides, then it is converted in situ into 4-oxy/thio substituted-1H-pyrazol-5(4H)-ones by the addition of hydrazine or hydrazine derivatives and screened for their antibacterial, antifungal activities.

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