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4-ethoxy-5-chloro-2-nitro-aniline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

171111-66-3

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171111-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171111-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,1,1 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 171111-66:
(8*1)+(7*7)+(6*1)+(5*1)+(4*1)+(3*1)+(2*6)+(1*6)=93
93 % 10 = 3
So 171111-66-3 is a valid CAS Registry Number.
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