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(5-methyl-3-oxo-2-o-tolyl-1,2-dihydro-pyrazol-4-yl)-(3-methyl-5-oxo-1-o-tolyl-1,5-dihydro-pyrazol-4-ylidene)-methane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

100733-40-2

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100733-40-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100733-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,3 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 100733-40:
(8*1)+(7*0)+(6*0)+(5*7)+(4*3)+(3*3)+(2*4)+(1*0)=72
72 % 10 = 2
So 100733-40-2 is a valid CAS Registry Number.

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