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(E)-1-(4-Dimethylamino-phenyl)-4-hydroxy-4-methyl-pent-1-en-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20099-42-7

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20099-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20099-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,9 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20099-42:
(7*2)+(6*0)+(5*0)+(4*9)+(3*9)+(2*4)+(1*2)=87
87 % 10 = 7
So 20099-42-7 is a valid CAS Registry Number.

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