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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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Reference Standard

Propyl 3-bromo-4-hydroxybenzoate chemical structure

Propyl 3-bromo-4-hydroxybenzoate

CAS: 37470-59-0
Formula: C₁₀H₁₁BrO₃
MW: 259.1 g/mol

VQ-040044

Reference Standard

Prostaglandin B1 chemical structure

Prostaglandin B1

CAS: 13345-51-2
Formula: C₂₀H₃₂O₄
MW: 336.5 g/mol

VQ-021513

Reference Standard

Prothioconazole Impurity 8 (Mixture of Diastereomers) chemical structure

Prothioconazole Impurity 8 (Mixture of Diastereomers)

CAS: 856045-95-9
Formula: C₁₄H₁₅Cl₂N₃O₂
MW: 328.2 g/mol

VQ-044225

Reference Standard

Prothioconazole-3-hydroxy-desthio chemical structure

Prothioconazole-3-hydroxy-desthio

CAS: 856045-93-7
Formula: C₁₄H₁₅Cl₂N₃O₂
MW: 328.2 g/mol

VQ-043609

Reference Standard

Prothioconazole-4-hydroxy-desthio chemical structure

Prothioconazole-4-hydroxy-desthio

CAS: 856045-88-0
Formula: C₁₄H₁₅Cl₂N₃O₂
MW: 328.2 g/mol

VQ-043610

Reference Standard

Protionamide Sulfoxide chemical structure

Protionamide Sulfoxide

CAS: 62178-61-4
Formula: C₉H₁₂N₂OS
MW: 196.27 g/mol

VQ-033380

Reference Standard

Prucalopride dihydroxy n-oxide impurity chemical structure

Prucalopride dihydroxy n-oxide impurity

CAS: 1900715-95-8
Formula: C₁₈H₂₆ClN₃O₆
MW: 415.9 g/mol

VQ-033383

Reference Standard

Prucalopride Hydroxy Impurity

Prucalopride Hydroxy Impurity

CAS: 1900715-97-0
Formula: C₁₈H₂₆ClN₃O₄
MW: 383.87 g/mol

VQ-033385

Reference Standard

Prucalopride N-Oxide chemical structure

Prucalopride N-Oxide

CAS: 1900715-98-1
Formula: C₁₈H₂₆ClN₃O₄
MW: 383.9 g/mol

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Reference Standard

Pseudogamythromycin chemical structure

Pseudogamythromycin

CAS: 92594-48-4
Formula: C₄₀H₇₆N₂O₁₂
MW: 777 g/mol

VQ-030939

Reference Standard

Pseudomonic acid E chemical structure

Pseudomonic acid E

CAS: 167842-57-1
Formula: C₂₈H₄₈O₉
MW: 528.7 g/mol

VQ-032025

Reference Standard

Pyrazole N-Demethyl Sildenafil chemical structure

Pyrazole N-Demethyl Sildenafil

CAS: 139755-95-6
Formula: C₂₁H₂₈N₆O₄S
MW: 460.6 g/mol

VQ-042166

Reference Standard

Pyridine Hydroxy Nitrile Compound

Pyridine Hydroxy Nitrile Compound

CAS: 18206-80-9
Formula: C₁₄H₉ClN₂O
MW: 256.69 g/mol

VQ-049241

Reference Standard

Pyridoxal 5'-phosphate Hydrate chemical structure

Pyridoxal 5'-phosphate Hydrate

CAS: 853645-22-4
Formula: C₈H₁₀NO₆P
MW: 247.14 g/mol

VQ-041762

Reference Standard

Pyridoxamine-5'-phosphate chemical structure

Pyridoxamine-5'-phosphate

CAS: 529-96-4
Formula: C₈H₁₃N₂O₅P
MW: 248.17 g/mol

VQ-033381

Reference Standard

Pyridoxol 5-Phosphate chemical structure

Pyridoxol 5-Phosphate

CAS: 447-05-2
Formula: C₈H₁₂NO₆P
MW: 249.16 g/mol

VQ-041769

Reference Standard

Pyronaridine Bis-2-Pyrrolidone

Pyronaridine Bis-2-Pyrrolidone

CAS: 808135-29-7
Formula: C₂₉H₂₈ClN₅O₃
MW: 530.02 g/mol

VQ-045387

Reference Standard

Quercetin 3-O-beta-D-Glucuronide chemical structure

Quercetin 3-O-beta-D-Glucuronide

CAS: 22688-79-5
Formula: C₂₁H₁₈O₁₃
MW: 478.4 g/mol

VQ-041781

Reference Standard

Quetiapine Impurity 4 chemical structure

Quetiapine Impurity 4

CAS: 1241800-24-7
Formula: C₂₁H₂₇N₃O₃S
MW: 401.5 g/mol

VQ-041787

Reference Standard

Quetiapine Sulfone N-Oxide chemical structure

Quetiapine Sulfone N-Oxide

CAS: 2206606-97-3
Formula: C₂₁H₂₅N₃O₅S
MW: 431.5 g/mol

VQ-041788

Reference Standard

Quinidine N-Oxide chemical structure

Quinidine N-Oxide

CAS: 70116-00-6
Formula: C₂₀H₂₄N₂O₃
MW: 340.4 g/mol

VQ-033412

Reference Standard

Quinolin-2(1H)-one chemical structure

Quinolin-2(1H)-one

CAS: 59-31-4
Formula: C₉H₇NO
MW: 145.16 g/mol

VQ-035792

Reference Standard

R-(-)-O-Desmethyl Venlafaxine chemical structure

R-(-)-O-Desmethyl Venlafaxine

CAS: 142761-11-3
Formula: C₁₆H₂₅NO₂
MW: 263.37 g/mol

VQ-028666

Reference Standard

R-9-(2-Hydroxy Propyl)adenine chemical structure

R-9-(2-Hydroxy Propyl)adenine

CAS: 14047-28-0
Formula: C₈H₁₁N₅O
MW: 193.21 g/mol

VQ-028258

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