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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

Caspofungin Impurity 15

Caspofungin Impurity 15

CAS: 2142583-72-8
Formula: C₅₂H₈₈N₁₀O₁₄
MW: 1077.31 g/mol

VQ-036179

Reference Standard

Caspofungin Impurity A chemical structure

Caspofungin Impurity A

CAS: 1202167-57-4
Formula: C₅₁H₈₆N₁₀O₁₅
MW: 1079.3 g/mol

VQ-022046

Reference Standard

Cefadroxil Sulfoxide chemical structure

Cefadroxil Sulfoxide

CAS: 182290-77-3
Formula: C₁₆H₁₇N₃O₆S
MW: 379.4 g/mol

VQ-022055

Reference Standard

Cefdinir Impurity 2

Cefdinir Impurity 2

CAS: 2098315-12-7
Formula: C₉H₁₄N₄O₄S
MW: 274.3 g/mol

VQ-036193

Reference Standard

Cefdinir Related Compound A chemical structure

Cefdinir Related Compound A

CAS: 178422-42-9
Formula: C₁₄H₁₅N₅O₆S₂
MW: 413.4 g/mol

VQ-024843

Reference Standard

Cefdinir Sulfoxide chemical structure

Cefdinir Sulfoxide

CAS: 934986-48-8
Formula: C₁₄H₁₃N₅O₆S₂
MW: 411.4 g/mol

VQ-021088

Reference Standard

Cefepime Sulfoxide

Cefepime Sulfoxide

CAS: 112258-91-0
Formula: C₁₉H₂₄N₆O₆S₂
MW: 496.56 g/mol

VQ-024849

Reference Standard

Cefixime Sulfoxide chemical structure

Cefixime Sulfoxide

CAS: 1335555-87-7
Formula: C₁₆H₁₅N₅O₈S₂
MW: 469.5 g/mol

VQ-024853

Reference Standard

Cefotaxime Sodium - Impurity E chemical structure

Cefotaxime Sodium - Impurity E

CAS: 66340-33-8
Formula: C₁₄H₁₃N₅O₅S₂
MW: 395.4 g/mol

VQ-021109

Reference Standard

Celecoxib carboxylic acid chemical structure

Celecoxib carboxylic acid

CAS: 170571-01-4
Formula: C₁₇H₁₂F₃N₃O₄S
MW: 411.4 g/mol

VQ-021124

Reference Standard

Cephalexin R-Sulfoxide chemical structure

Cephalexin R-Sulfoxide

CAS: 52210-38-5
Formula: C₁₆H₁₇N₃O₅S
MW: 363.4 g/mol

VQ-029728

Reference Standard

Cephalexin S-Sulfoxide chemical structure

Cephalexin S-Sulfoxide

CAS: 74708-55-7
Formula: C₁₆H₁₇N₃O₅S
MW: 363.4 g/mol

VQ-022134

Reference Standard

Cephalexin Sulfoxide chemical structure

Cephalexin Sulfoxide

CAS: 56193-21-6
Formula: C₁₆H₁₇N₃O₅S
MW: 363.4 g/mol

VQ-022132

Reference Standard

Cetirizine Glycol Impurity

Cetirizine Glycol Impurity

CAS: 324047-29-2
Formula: C₂₃H₂₉ClN₂O₄
MW: 432.94 g/mol

VQ-024914

Reference Standard

Cetirizine N-Oxide chemical structure

Cetirizine N-Oxide

CAS: 1076199-80-8
Formula: C₂₁H₂₅ClN₂O₄
MW: 404.9 g/mol

VQ-007114

Reference Standard

Cevimeline N-Oxide chemical structure

Cevimeline N-Oxide

CAS: 469890-14-0
Formula: C₁₀H₁₇NO₂S
MW: 215.31 g/mol

VQ-022137

Reference Standard

Cevimeline Sulfoxide chemical structure

Cevimeline Sulfoxide

CAS: 124751-36-6
Formula: C₁₀H₁₇NO₂S
MW: 215.31 g/mol

VQ-029737

Reference Standard

Chenodeoxycholic Acid 24-Acyl--D-glucuronide chemical structure

Chenodeoxycholic Acid 24-Acyl--D-glucuronide

CAS: 208038-27-1
Formula: C₃₀H₄₈O₁₀
MW: 568.7 g/mol

VQ-042780

Reference Standard

Chlorferon chemical structure

CAS: 6174-86-3
Formula: C₁₀H₇ClO₃
MW: 210.61 g/mol

VQ-047751

Reference Standard

Chloro Sofosbuvir Desphosphate chemical structure

Chloro Sofosbuvir Desphosphate

CAS: 1496551-72-4
Formula: C₁₀H₁₃ClN₂O₅
MW: 276.67 g/mol

VQ-043302

Reference Standard

Chloromethyl 9-chloro-17a-ethoxycarbonyloxy-11beta-hydroxy-3-oxoandrosta-1,4-diene-17beta-carboxylate chemical structure

Chloromethyl 9-chloro-17a-ethoxycarbonyloxy-11beta-hydroxy-3-oxoandrosta-1,4-diene-17beta-carboxylate

CAS: 207670-58-4
Formula: C₂₄H₃₀Cl₂O₇
MW: 501.4 g/mol

VQ-031653

Reference Standard

Chlorphenamine N-Oxide Maleate chemical structure

Chlorphenamine N-Oxide Maleate

CAS: 2575516-38-8
Formula: C₂₀H₂₃ClN₂O₅
MW: 406.9 g/mol

VQ-036257

Reference Standard

Chlorpheniramine N-Oxide chemical structure

Chlorpheniramine N-Oxide

CAS: 120244-82-8
Formula: C₁₆H₁₉ClN₂O
MW: 290.79 g/mol

VQ-022153

Reference Standard

Chlorpromazine N-oxide chemical structure

Chlorpromazine N-oxide

CAS: 1672-76-0
Formula: C₁₇H₁₉ClN₂OS
MW: 334.9 g/mol

VQ-024941

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