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Ethyl azulene-5-carboxylate is a chemical compound derived from azulene, a naturally occurring tricyclic aromatic hydrocarbon. It is characterized by the molecular formula C13H18O2 and has a molecular weight of 206.28 g/mol. ethyl azulene-5-carboxylate is an ester formed by the reaction of azulene-5-carboxylic acid with ethanol. Ethyl azulene-5-carboxylate is used as an intermediate in the synthesis of various pharmaceuticals, fragrances, and other organic compounds. It is typically obtained through chemical synthesis methods, such as the Fischer indole synthesis, and is known for its potential applications in the development of novel therapeutic agents and specialty chemicals.

1208-33-9

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1208-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1208-33-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,0 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1208-33:
(6*1)+(5*2)+(4*0)+(3*8)+(2*3)+(1*3)=49
49 % 10 = 9
So 1208-33-9 is a valid CAS Registry Number.

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