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25098-00-4

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25098-00-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25098-00-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,0,9 and 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 25098-00:
(7*2)+(6*5)+(5*0)+(4*9)+(3*8)+(2*0)+(1*0)=104
104 % 10 = 4
So 25098-00-4 is a valid CAS Registry Number.

25098-00-4Downstream Products

25098-00-4Relevant articles and documents

SYNTHESIS AND PROPERTIES OF ESTERS OF 3-HYDROXY-2-PHENYLINDEN-1-ONE, 2-HYDROXYMETHYL-2-PHENYL-1,3-INDANEDIONE, AND CARBOXYLIC AND CARBONIC ACIDS

Marshalkin, V. N.,Smirnova, T. V.

, p. 339 - 345 (2007/10/02)

The O-acylation of 2-phenyl-1,3-indanedione by carboxylic acid chlorides and chloroformates was realized in the presence of triethylamine.Growth-regulating activity was found in the obtained esters.The acylation of 2-hydroxymethyl-2-phenyl-1,3-indanedione by carboxylic acid chlorides was investigated in the presence of triethylamine.It was established that the reaction is unsuitable for the production of 2-acyloxymethyl-2-phenyl-1,3-indanediones.A method is proposed for the synthesis of these esters by the reaction of 2-iodomethyl-2-phenyl-1,3-indanedione with the potassium salts of carboxylic acids under the conditions of phase-transfer catalysis.

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