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(R)-3-Propyl-piperazine-2,5-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

900183-93-9

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900183-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 900183-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,1,8 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 900183-93:
(8*9)+(7*0)+(6*0)+(5*1)+(4*8)+(3*3)+(2*9)+(1*3)=139
139 % 10 = 9
So 900183-93-9 is a valid CAS Registry Number.

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