Flurbiprofen Related Impurity 1 is a salt-form compound consisting of a methanesulfonic acid salt of methyl (2S,4R)-4-(3-chloro-7-methoxyquinoxalin-2-yl)oxypyrrolidine-2-carboxylate. It is a pharmaceutical impurity reference standard used in analytical testing to support quality control in drug manufacturing.
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CAS 42771-81-3
5-Methylisoxazole-4-carboxylic acid
Pharmaceutical intermediate for synthesis
(R)-methyl pyrrolidine-3-carboxylate
Pharmaceutical intermediate
O-Benzyl-L-alanine toluene-p-sulphonate
peptide synthesis intermediate
2-Methylproline
Pharmaceutical raw material intermediate
methanesulfonic acid;methyl (2S,4R)-4-(3-chloro-7-methoxyquinoxalin-2-yl)oxypyrrolidine-2-carboxylate
CCZFBHQUONFINY-KATIXKQHSA-N
COC1=CC2=C(C=C1)N=C(C(=N2)O[C@@H]3C[C@H](NC3)C(=O)OC)Cl.CS(=O)(=O)O
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