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1--3-methoxy-estratrien-(1,3,5(10))-on-(17) is a complex organic compound with the chemical formula C23H23N3O5. It is a derivative of estratrien, a type of estrogen, and is characterized by the presence of a nitro-benzolazo group attached to the molecule. 1--3-methoxy-estratrien-(1,3,5(10))-on-(17) is primarily used as a chemical intermediate in the synthesis of various pharmaceuticals and has potential applications in the development of hormone-related medications. Its structure includes a 17-carbon atom, three double bonds, and a methoxy group, which contributes to its unique chemical properties and reactivity.

6654-39-3

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6654-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6654-39-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,5 and 4 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6654-39:
(6*6)+(5*6)+(4*5)+(3*4)+(2*3)+(1*9)=113
113 % 10 = 3
So 6654-39-3 is a valid CAS Registry Number.

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