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3-Furancarboxylic acid, 4-iodo-, also known as 4-iodofuran-3-carboxylic acid, is an organic compound characterized by the presence of a furan ring, a carboxylic acid group, and an iodine atom. The furan ring is a five-membered aromatic ring containing four carbon atoms and one oxygen atom, while the carboxylic acid group (-COOH) is attached to the third carbon of the furan ring. The iodine atom is substituted at the fourth carbon position of the furan ring. 3-Furancarboxylic acid, 4-iodo- has a molecular formula of C5H3IO3 and a molecular weight of 241.98 g/mol. It is a white crystalline solid with potential applications in the synthesis of pharmaceuticals and other organic compounds due to its unique structure and reactivity.

7040-27-9

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7040-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7040-27-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,4 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7040-27:
(6*7)+(5*0)+(4*4)+(3*0)+(2*2)+(1*7)=69
69 % 10 = 9
So 7040-27-9 is a valid CAS Registry Number.

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