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3,5-dinitro-benzoic acid-(1-propyl-pentyl ester) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

10203-38-0

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10203-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10203-38-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,2,0 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 10203-38:
(7*1)+(6*0)+(5*2)+(4*0)+(3*3)+(2*3)+(1*8)=40
40 % 10 = 0
So 10203-38-0 is a valid CAS Registry Number.

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