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1-phenyl-3--5-pyrazolone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137201-91-3

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137201-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137201-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,0 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137201-91:
(8*1)+(7*3)+(6*7)+(5*2)+(4*0)+(3*1)+(2*9)+(1*1)=103
103 % 10 = 3
So 137201-91-3 is a valid CAS Registry Number.

137201-91-3Relevant academic research and scientific papers

The Electroreduction of Pyrazolone Glyoxalic Ester Derivatives in Aqueous Buffered Media

Aboutabl, Mohamed Ali,Fahmy, Hussein Mahmoud,Rahman, Hassan Abdel

, p. 991 - 998 (2007/10/02)

The polarographic reduction of two series of pyrazolone derivatives in alcoholic buffered media indicated that these molecules predominate in the hydrazone form and are reduced via a 4e- irreversible process.The main electrolysis products, 3,6-

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