Sildenafil di-amide impurity is a chemical compound identified as an active pharmaceutical ingredient (API) impurity. It is structurally related to the drug substance sildenafil and is used as a reference standard or marker in pharmaceutical manufacturing and quality control processes.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 139756-03-9
Lifitegrast Impurity N12
pharmaceutical raw material
Ethyl 2-(2-hydroxy-4,5-dimethoxybenzamido)thiazole-4-carboxylate
pharmaceutical raw material
Apalutamide Dithio Impurity
pharmaceutical raw material
N-Methyl-2-{5-[(pyrrolidine-1-sulfonyl)methyl]-1H-indol-3-yl}ethan-1-amine
pharmaceutical raw material
Uk-088800
pharmaceutical raw material
5-(5-chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo(4,3-D)pyrimidin-7-one
pharmaceutical raw material
Shr-1258 dimaleate
pharmaceutical raw material
1H-Purine-2,6-dione, 8-[(3R)-3-amino-1-piperidinyl]-7-(2-butyn-1-yl-4,4,4-d3)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-; 8-[(3R)-3-Amino-1-piperidinyl]-7-(2-butyn-1-yl-4,4,4-d3)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-p
pharmaceutical raw material
4-[(2-ethoxybenzoyl)amino]-1-methyl-3-propylpyrazole-5-carboxamide
UAFIHVRUICMADE-UHFFFAOYSA-N
CCCC1=NN(C(=C1NC(=O)C2=CC=CC=C2OCC)C(=O)N)C