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5-Formyl-2-methyl-2-<2-methoxy-4-methyl-5-brom-phenyl>-cyclopentanon is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20940-82-3

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20940-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20940-82-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,4 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20940-82:
(7*2)+(6*0)+(5*9)+(4*4)+(3*0)+(2*8)+(1*2)=93
93 % 10 = 3
So 20940-82-3 is a valid CAS Registry Number.

20940-82-3Downstream Products

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