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6-(4-hydroxy-phenyl)-6-oxo-hexanoic acid, also known as 4-hydroxyphenylpyruvic acid (HPPA), is an organic compound with the molecular formula C9H8O4. It is a key intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. HPPA is a white crystalline solid that is soluble in water and has a molecular weight of 180.16 g/mol. It is derived from the oxidation of 4-hydroxyphenylalanine and is used as a building block for the production of L-DOPA, a drug used in the treatment of Parkinson's disease. Additionally, HPPA is involved in the synthesis of other important compounds such as 4-hydroxymandelic acid and 4-hydroxyphenylglyoxylic acid, which have applications in the pharmaceutical and chemical industries.

5537-75-7

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5537-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5537-75-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,3 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5537-75:
(6*5)+(5*5)+(4*3)+(3*7)+(2*7)+(1*5)=107
107 % 10 = 7
So 5537-75-7 is a valid CAS Registry Number.

5537-75-7Relevant academic research and scientific papers

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