Piperazine, 1-[(chloromethyl)sulfonyl]-4-methyl-, also known as 1-(Chloromethylsulfonyl)-4-methylpiperazine or CMS-PMP, is a chemical compound with the molecular formula C6H13ClN2O2S. It is a white crystalline solid that is soluble in water and various organic solvents. Piperazine, 1-[(chloromethyl)sulfonyl]-4-methyl- is primarily used as a chemical intermediate in the synthesis of pharmaceuticals, agrochemicals, and other specialty chemicals. It is particularly known for its use in the production of the anthelmintic drug praziquantel, which is used to treat parasitic worm infections. The compound's structure features a piperazine ring with a chloromethylsulfonyl group at the 1-position and a methyl group at the 4-position, which contributes to its reactivity and utility in chemical synthesis.
The CAS Registry Mumber 3967-02-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,6 and 7 respectively; the second part has 2 digits, 0 and 2 respectively. Calculate Digit Verification of CAS Registry Number 3967-02: (6*3)+(5*9)+(4*6)+(3*7)+(2*0)+(1*2)=110 110 % 10 = 0 So 3967-02-0 is a valid CAS Registry Number.