Oxalsaeurenitril-p-kresylester, also known as p-kresylester of oxalsaeurenitril or 4-methylbenzyl oxalyl dihydrazide, is a chemical compound with the molecular formula C10H12N2O3. It is a derivative of oxalyl dihydrazide, featuring a p-cresyl (4-methylphenyl) group attached to the molecule. Oxalsaeurenitril-p-kresylester is primarily used as a reagent in chemical synthesis and analysis, particularly in the detection and determination of metal ions such as copper, nickel, and cobalt. It forms colored complexes with these metal ions, which can be analyzed using spectrophotometry. Due to its reactivity and potential applications in analytical chemistry, Oxalsaeurenitril-p-kresylester is an important compound in the field of inorganic chemistry.
The CAS Registry Mumber 5532-88-7 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 2 respectively; the second part has 2 digits, 8 and 8 respectively. Calculate Digit Verification of CAS Registry Number 5532-88: (6*5)+(5*5)+(4*3)+(3*2)+(2*8)+(1*8)=97 97 % 10 = 7 So 5532-88-7 is a valid CAS Registry Number.