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4-acetoxy-2H-phthalazin-1-one is a chemical compound with the molecular formula C10H7NO3. It is a derivative of phthalazinone, a heterocyclic compound with a phthalazine ring system. This specific compound features an acetoxy group (-OAc) at the 4-position and a ketone (-CO) at the 1-position of the phthalazine ring. It is often used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals due to its unique chemical properties and reactivity. The compound is typically synthesized through various chemical reactions, such as acylation or oxidation, and can be further modified to create a range of different compounds with diverse applications in the chemical industry.

1705-03-9

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1705-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1705-03-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,0 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1705-03:
(6*1)+(5*7)+(4*0)+(3*5)+(2*0)+(1*3)=59
59 % 10 = 9
So 1705-03-9 is a valid CAS Registry Number.

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