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(2-Methyl-1H-indol-3-yl)-(phenyl-hydrazono)-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109740-04-7

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109740-04-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109740-04-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,4 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109740-04:
(8*1)+(7*0)+(6*9)+(5*7)+(4*4)+(3*0)+(2*0)+(1*4)=117
117 % 10 = 7
So 109740-04-7 is a valid CAS Registry Number.

109740-04-7Upstream product

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