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4,5-dihydro-4-methyl-6-oxo-5-phenyl-6H-pyrazolo<4,3-c>isothiazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109635-52-1

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109635-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109635-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,3 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109635-52:
(8*1)+(7*0)+(6*9)+(5*6)+(4*3)+(3*5)+(2*5)+(1*2)=131
131 % 10 = 1
So 109635-52-1 is a valid CAS Registry Number.

109635-52-1Relevant academic research and scientific papers

A Novel Formation of 3,4-Disubstituted Isothiazoles from 5-Amino-6-methylpyrimidinones

Ueda, Taisei,Shibata, Yoshitugu,Kato, Yuzo,Sakakibara, Jinsaku

, p. 3917 - 3922 (2007/10/02)

3,4-Disubstituted isothiazoles (8a,b, 9a,b, 10, 11, 14a,b) were synthesized from 5-amino-6-methyl-4(3H)-pyrimidinone (1) or 1,3-disubstituted 5-amino-6-methyluracils (12a,b) via the formation of isothiazolopyrimidines (6, 13a,b) followed by the rea

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