LITFULO™ Description
(ritlecitinib)
11 DESCRIPTION
LITFULO (ritlecitinib) capsules are formulated with ritlecitinib tosylate, a kinase inhibitor.
Ritlecitinib tosylate is a white to off white to pale pink solid which is freely soluble in water. The chemical name is 1-{(2S,5R)-2-Methyl-5-[(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl}prop-2-en-1-one 4 methylbenzene-1-sulfonic acid.
The molecular formula for ritlecitinib tosylate is C22H27N5O4S. The molecular weight is 457.55 g/mol and its structural formula is:
LITFULO is supplied for oral administration as a 50 mg immediate-release capsule. Each capsule contains 50 mg ritlecitinib (equivalent to 80.13 mg ritlecitinib tosylate) and the following inactive ingredients: crospovidone, glyceryl dibehenate, lactose monohydrate, microcrystalline cellulose, and hypromellose (HPMC) capsule shells. The yellow/blue, opaque capsule shells contain Brilliant blue FCF – FD&C Blue, hypromellose, titanium dioxide, and yellow iron oxide.
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Description
11 DESCRIPTION
LITFULO (ritlecitinib) capsules are formulated with ritlecitinib tosylate, a kinase inhibitor.
Ritlecitinib tosylate is a white to off white to pale pink solid which is freely soluble in water. The chemical name is 1-{(2S,5R)-2-Methyl-5-[(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl}prop-2-en-1-one 4 methylbenzene-1-sulfonic acid.
The molecular formula for ritlecitinib tosylate is C22H27N5O4S. The molecular weight is 457.55 g/mol and its structural formula is:
LITFULO is supplied for oral administration as a 50 mg immediate-release capsule. Each capsule contains 50 mg ritlecitinib (equivalent to 80.13 mg ritlecitinib tosylate) and the following inactive ingredients: crospovidone, glyceryl dibehenate, lactose monohydrate, microcrystalline cellulose, and hypromellose (HPMC) capsule shells. The yellow/blue, opaque capsule shells contain Brilliant blue FCF – FD&C Blue, hypromellose, titanium dioxide, and yellow iron oxide.
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