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Impurities & Reference Standards

Metabolites & Degradation Products

Source 200 metabolites & degradation products for research, QC and production, documented with COA and SDS.

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COA + SDSwith every lot

Reference Standard

Montelukast (3S)-Hydroxy Methyl Ester Impurity chemical structure

Montelukast (3S)-Hydroxy Methyl Ester Impurity

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

VQ-031995

Reference Standard

Montelukast (3S)-hydroxy propanol chemical structure

Montelukast (3S)-hydroxy propanol

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

VQ-026770

Reference Standard

Montelukast (R)-Hydroxy Metabolite chemical structure

Montelukast (R)-Hydroxy Metabolite

CAS: 184763-26-6
Formula: C₃₅H₃₆ClNO₄S
MW: 602.2 g/mol

VQ-038500

Reference Standard

Montelukast (S)-Hydroxy Metabolite chemical structure

Montelukast (S)-Hydroxy Metabolite

CAS: 184763-29-9
Formula: C₃₅H₃₆ClNO₄S
MW: 602.2 g/mol

VQ-038501

Reference Standard

Montelukast 3-Oxo Propanol Impurity chemical structure

Montelukast 3-Oxo Propanol Impurity

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

VQ-021280

Reference Standard

Montelukast acyl-Beta-D-glucuronide chemical structure

Montelukast acyl-Beta-D-glucuronide

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

VQ-031999

Reference Standard

Montelukast Bis-Sulfide chemical structure

Montelukast Bis-Sulfide

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

VQ-031989

Reference Standard

Montelukast Hydroxy Propanol chemical structure

Montelukast Hydroxy Propanol

CAS: 1079753-36-8
Formula: C₂₉H₂₈ClNO₂
MW: 458 g/mol

VQ-038490

Reference Standard

Montelukast S-Sulfoxide

Montelukast S-Sulfoxide

CAS: 184763-44-8
Formula: C₃₅H₃₆ClNO₄S
MW: 602.2 g/mol

VQ-038494

Reference Standard

Montelukast Sulfone chemical structure

Montelukast Sulfone

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

VQ-028868

Reference Standard

Montelukast Sulphoxide chemical structure

Montelukast Sulphoxide

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

VQ-031998

Reference Standard

Montelukast Sulphoxide Impurity

Montelukast Sulphoxide Impurity

CAS: 184763-47-1
Formula: C₃₅H₃₆ClNO₄S
MW: 602.18 g/mol

VQ-038485

Reference Standard

Morpholine N-Oxide Impurity

Morpholine N-Oxide Impurity

CAS: 1992785-27-9
Formula: C₄₀H₅₃N₇O₆S₂
MW: 792.03 g/mol

VQ-036433

Reference Standard

Mosapride N-Oxide chemical structure

Mosapride N-Oxide

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

VQ-032004

Reference Standard

MOTS-c

CAS: 1627580-64-6
Formula: C₁₀₁H₁₅₂N₂₈O₂₂S₂
MW: 2174.6 g/mol

VQ-040996

Reference Standard

Moxifloxacin Acyl Glucuronide chemical structure

Moxifloxacin Acyl Glucuronide

CAS: 733002-61-4
Formula: C₂₇H₃₂FN₃O₁₀
MW: 577.6 g/mol

VQ-038513

Reference Standard

Moxifloxacin Difluoro Hydroxy Ethyl Ester chemical structure

Moxifloxacin Difluoro Hydroxy Ethyl Ester

CAS: 452092-31-8
Formula: C₁₅H₁₃F₂NO₄
MW: 309.26 g/mol

VQ-044120

Reference Standard

Mycophenolate Mofetil Impurity 2

Mycophenolate Mofetil Impurity 2

CAS: 31848-58-5
Formula: C₁₆H₁₈O₆
MW: 306.31 g/mol

VQ-049179

Reference Standard

Mycophenolate Mofetil Impurity 3

Mycophenolate Mofetil Impurity 3

CAS: 172151-20-1
Formula: C₁₆H₁₈O₆
MW: 306.31 g/mol

VQ-049180

Reference Standard

Mycophenolic Acid Acyl-β-D-glucuronide chemical structure

Mycophenolic Acid Acyl-β-D-glucuronide

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

VQ-032038

Reference Standard

Mycophenolic Acid Ethyl Ester chemical structure

Mycophenolic Acid Ethyl Ester

CAS: 32483-51-5
Formula: C₁₉H₂₄O₆
MW: 348.4 g/mol

VQ-038525

Reference Standard

Mycophenolic Acid Glucuronide chemical structure

Mycophenolic Acid Glucuronide

CAS: 31528-44-6
Formula: C₂₃H₂₈O₁₂
MW: 496.5 g/mol

VQ-026810

Reference Standard

Mycophenolic Acid O-Desmethyl Ether chemical structure

Mycophenolic Acid O-Desmethyl Ether

CAS: 24243-36-5
Formula: C₁₆H₁₈O₆
MW: 306.31 g/mol

VQ-026809

Reference Standard

Mycophenolic Hydroxy Lactone chemical structure

Mycophenolic Hydroxy Lactone

CAS: 26644-06-4
Formula: C₁₇H₂₀O₇
MW: 336.3 g/mol

VQ-026804

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