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N-n-butyl-N-methyl-11-(3'-hydroxy-17'-oxoestra-1',3',5'(10')-trien-7'α-yl)undecanamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98013-89-9

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98013-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98013-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,1 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98013-89:
(7*9)+(6*8)+(5*0)+(4*1)+(3*3)+(2*8)+(1*9)=149
149 % 10 = 9
So 98013-89-9 is a valid CAS Registry Number.

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