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8003-58-5

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8003-58-5 Usage

Preparation

5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid and 4-Nitrobenzenamine diazotization, respectively, followed by coupling with 2-Hydroxybenzoic acid.

Properties and Applications

brown.

Check Digit Verification of cas no

The CAS Registry Mumber 8003-58-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 8003-58:
(6*8)+(5*0)+(4*0)+(3*3)+(2*5)+(1*8)=75
75 % 10 = 5
So 8003-58-5 is a valid CAS Registry Number.

8003-58-5Upstream product

8003-58-5Downstream Products

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