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5-Hydroxy-2,2-diphenyl-valeric acid, also known as 5-hydroxy-2,2-diphenylvalerianic acid or 5-HDVA, is a chemical compound with the molecular formula C17H18O4. It is a derivative of valeric acid, featuring a hydroxyl group at the 5th carbon and two phenyl groups attached to the 2nd carbon. This organic compound is of interest in the field of pharmaceuticals and chemistry due to its potential applications and properties. It is a white crystalline solid and is often used as an intermediate in the synthesis of various pharmaceuticals and chemical compounds. The structure of 5-HDVA allows for a range of chemical reactions and modifications, making it a versatile building block in organic synthesis.

1663-84-9

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1663-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1663-84-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,6 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1663-84:
(6*1)+(5*6)+(4*6)+(3*3)+(2*8)+(1*4)=89
89 % 10 = 9
So 1663-84-9 is a valid CAS Registry Number.

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