Pharmaceutical Impurity Standards & Reference Standards

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

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All 2,841
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TETRACYCLINE

Lymecycline

CAT No.-
CAS No.992-21-2
Mol. F.C29H38N4O11
Mol. W.618.65
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Isotope Labelled Compounds

Lymecycline-d8

CAT No.-
CAS No.N/A
Mol. F.C29H30N4O11D8
Mol. W.626.69
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TARTARIC ACID

L-(+)-Tartaric Acid

CAT No.-
CAS No.87-69-4
Mol. F.C4H6O6
Mol. W.150.09
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Isotope Labelled Compounds

Lodenafilcarbonate-d16

CAT No.-
CAS No.-
Mol. F.C47H46N12O11S2D16
Mol. W.1051.3
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SILDENAFIL

Lodenafil Carbonate

CAT No.-
CAS No.398507-55-6
Mol. F.C47H62N12O11S2
Mol. W.1035.21
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SALBUTAMOL

Levalbuterol Related Compound E HCl

CAT No.-
CAS No.69716-64-9
Mol. F.C15H25NO3. HCl
Mol. W.267.37 36.46
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SACCHAROPINE

L-Saccharopine

CAT No.-
CAS No.997-68-2
Mol. F.C11H20N2O6
Mol. W.276.29
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Isotope Labelled Compounds

L-Saccharopine-d5

CAT No.-
CAS No.997-68-2 (non-labelled)
Mol. F.C11H15D5N2O6
Mol. W.281.32
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PRIMAPTERIN

L-Primapterin

CAT No.-
CAS No.2636-52-4
Mol. F.C9H11N5O3
Mol. W.237.22
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PIPERACILLIN

L-Piperacillin

CAT No.-
CAS No.-
Mol. F.C23H27N5O7S
Mol. W.517.56
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