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4-Methyl Propiophenone, also known as 4'-Methylpropiophenone or Pseudoephedrine, is an organic compound with the chemical formula C10H12O. It is a colorless to pale yellow liquid with a strong, pungent odor. This ketone is derived from the parent compound propiophenone by substituting one hydrogen atom on the benzene ring with a methyl group. 4-Methyl Propiophenone is primarily used as a precursor in the synthesis of various pharmaceuticals, including stimulants and decongestants. It is also employed as a chemical intermediate in the production of fragrances and flavorings. Due to its potential misuse in the illicit synthesis of methamphetamine, it is regulated in many countries.

537-93-9

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537-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 537-93-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,3 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 537-93:
(5*5)+(4*3)+(3*7)+(2*9)+(1*3)=79
79 % 10 = 9
So 537-93-9 is a valid CAS Registry Number.

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