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Naphthyl-(2)-methylphosphonsaeure-aethylester-<4-nitro-phenylester>, also known as 2-naphtylmethylphosphonic acid ethyl ester 4-nitrophenyl ester, is a complex organic compound with the chemical formula C20H17NO6P. -aethylester-<4-nitro-phenylester> is characterized by a naphthalene ring, a phosphonic acid group, an ethyl ester, and a 4-nitrophenyl ester. It is a type of organophosphorus compound, which is often used in the synthesis of various chemical products, including pharmaceuticals and agrochemicals. The compound's structure provides it with unique reactivity and properties, making it a valuable intermediate in organic synthesis.

3449-90-9

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3449-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3449-90-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,4 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3449-90:
(6*3)+(5*4)+(4*4)+(3*9)+(2*9)+(1*0)=99
99 % 10 = 9
So 3449-90-9 is a valid CAS Registry Number.

3449-90-9Upstream product

3449-90-9Downstream Products

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