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ethyl 4-(5-bromo-2-methoxybenzylidene)-1-(4-methoxyphenyl)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

441745-15-9

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441745-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 441745-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,1,7,4 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 441745-15:
(8*4)+(7*4)+(6*1)+(5*7)+(4*4)+(3*5)+(2*1)+(1*5)=139
139 % 10 = 9
So 441745-15-9 is a valid CAS Registry Number.

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