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ethyl 3,4-dihydro-7-fluoro-6-nitro-3-oxoquinoxaline-2-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221163-50-4

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221163-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221163-50-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,6 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 221163-50:
(8*2)+(7*2)+(6*1)+(5*1)+(4*6)+(3*3)+(2*5)+(1*0)=84
84 % 10 = 4
So 221163-50-4 is a valid CAS Registry Number.

221163-50-4Upstream product

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