Pharmaceutical Impurity Standards & Reference Standards

Browse our full catalog of pharmaceutical impurities, reference materials, and research chemicals.

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PHLOROGLUCINOL

Flavaprenin (8-Prenylnaringenin, Sophorafl)

CAT No.-
CAS No.53846-50-7
Mol. F.C20H20O5
Mol. W.340.38
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PENICILLAMINE

Formyl DL-Penicillamine

CAT No.-
CAS No.158411-82-6
Mol. F.C6H11NO3S
Mol. W.177.22
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PENICILLAMINE

Formyl D-Penicillamine

CAT No.-
CAS No.13833-89-1
Mol. F.C6H11NO3S
Mol. W.177.22
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PENICILLAMINE

Formyl L-Penicillamine

CAT No.-
CAS No.884311-05-1
Mol. F.C6H11NO3S
Mol. W.177.22
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HYDRAZONE

Formaldehyde Hydrazone

CAT No.-
CAS No.6629-91-0
Mol. F.CH4N2
Mol. W.44.06
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HEMATIN

Fe(II) Protoporphyrin IX (Hematin)

CAT No.-
CAS No.14875-96-8
Mol. F.C34H32FeN4O4
Mol. W.616.50
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FUROSINE

Furosine DiHCl

CAT No.-
CAS No.19746-33-9
Mol. F.C12H18N2O4 . 2 HCl
Mol. W.254.29 2 36.46
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FURYLFURAMIDE

Furylfuramide

CAT No.-
CAS No.3688-53-7
Mol. F.C11H8N2O5
Mol. W.248.19
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FUSIDIC ACID

Fusidic Acid

CAT No.-
CAS No.6990-06-3
Mol. F.C31H48O6
Mol. W.516.72
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FUSIDIC ACID

Fusidic acid-d6

CAT No.-
CAS No.-
Mol. F.C31H42O6D6
Mol. W.522.76
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