Impurity Reference Standards

Metabolites & Degradation Products

Drug metabolites, N-oxides, sulphoxides and forced-degradation products for stability studies, DMPK work and impurity identification.

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Mirabegron N-formyl Impurity

CAS: 2865161-72-2
Formula: C₂₂H₂₄N₄O₃S
MW: 424.5 g/mol

ZX-025648

Misoprostol Acid (10 mg in 1 mL Methyl Acetate)

CAS: 112137-89-0
Formula: C₂₁H₃₆O₅
MW: 368.5 g/mol

ZX-033865

Moclobemide N-Oxide

CAS: 64544-24-7
Formula: C₁₃H₁₇ClN₂O₃
MW: 284.74 g/mol

ZX-025674

Molindone Impurity A

CAS: 32818-79-4
Formula: C₅H₉NO₂
MW: 115.13 g/mol

ZX-030676

Momelotinib Metabolite M16

CAS: 1841094-20-9
Formula: C₂₁H₂₀N₆O₂
MW: 388.4 g/mol

ZX-006301

Momelotinib Metabolite M17

CAS: 1841094-21-0
Formula: C₁₉H₁₆N₆O
MW: 344.4 g/mol

ZX-006302

Momelotinib Metabolite M21

CAS: 1841094-23-2
Formula: C₂₃H₂₀N₆O₃
MW: 428.4 g/mol

ZX-025685

Mono acetyl Ertugliflozin

CAS: 1298086-20-0
Formula: C₂₄H₂₇ClO₈
MW: 478.9 g/mol

ZX-024555

Mono de-protected impurity of Atazanavir Sulfate

CAS: 857904-20-2
Formula: C₂₇H₃₄N₄O₃
MW: 462.6 g/mol

ZX-023387

Mono-2-ethyl-5-hydroxyhexyl phthalate

CAS: 40321-99-1
Formula: C₁₆H₂₂O₅
MW: 294.34 g/mol

ZX-041393

Monobutyl Phthalate

CAS: 131-70-4
Formula: C₁₂H₁₄O₄
MW: 222.24 g/mol

ZX-035436

Monocrotaline N-Oxide

CAS: 35337-98-5
Formula: C₁₆H₂₃NO₇
MW: 341.36 g/mol

ZX-030688

Montelukast (3R)-Hydroxy Benzoate

CAS: 150026-72-5
Formula: C₂₈H₂₄ClNO₃
MW: 457.9 g/mol

ZX-030691

Montelukast (3R)-Hydroxy Propanol

CAS: 150026-75-8
Formula: C₂₉H₂₈ClNO₂
MW: 458 g/mol

ZX-030697

Montelukast (3S)-Hydroxy Methyl Ester Impurity

CAS: 181139-72-0
Formula: C₂₈H₂₄ClNO₃
MW: 457.9 g/mol

ZX-030699

Montelukast (3S)-hydroxy propanol

CAS: 287930-77-2
Formula: C₂₉H₂₈ClNO₂
MW: 458 g/mol

ZX-025697

Montelukast 3-Oxo Propanol Impurity

CAS: 1258428-71-5
Formula: C₂₉H₂₆ClNO₂
MW: 456 g/mol

ZX-020335

Montelukast acyl-Beta-D-glucuronide

CAS: 188717-17-1
Formula: C₄₁H₄₄ClNO₉S
MW: 762.3 g/mol

ZX-030703

Montelukast Bis-Sulfide

CAS: 1242260-05-4
Formula: C₄₁H₄₆ClNO₅S₂
MW: 732.4 g/mol

ZX-030693

Montelukast Sulfone

CAS: 1266620-74-9
Formula: C₃₅H₃₆ClNO₅S
MW: 618.2 g/mol

ZX-027746

Montelukast Sulphoxide

CAS: 1152185-58-4
Formula: C₃₅H₃₆ClNO₄S
MW: 602.2 g/mol

ZX-030702

Morphinone (1.0mg/ml in Acetonitrile)

CAS: 467-02-7
Formula: C₁₇H₁₇NO₃
MW: 283.32 g/mol

ZX-047915

Mosapride N-Oxide

CAS: 1161443-73-7
Formula: C₂₁H₂₅ClFN₃O₄
MW: 437.9 g/mol

ZX-030708

Mycophenolic Acid Acyl-β-D-glucuronide

CAS: 99043-04-6
Formula: C₂₃H₂₈O₁₂
MW: 496.5 g/mol

ZX-030739

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