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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Pitofenone chemical structure

CAS: 54063-52-4
Formula: C₂₂H₂₅NO₄
MW: 367.4 g/mol

VQ-027545

Reference Standard

Pitofenone Hydrochloride chemical structure

Pitofenone Hydrochloride

CAS: 1248-42-6
Formula: C₂₂H₂₆ClNO₄
MW: 403.9 g/mol

VQ-033235

Reference Standard

Pitolisant chemical structure

CAS: 362665-56-3
Formula: C₁₇H₂₆ClNO
MW: 295.8 g/mol

VQ-007658

Reference Standard

Pitolisant Hydrochloride chemical structure

Pitolisant Hydrochloride

CAS: 903576-44-3
Formula: C₁₇H₂₇Cl₂NO
MW: 332.3 g/mol

In stock

Reference Standard

Pitolisant Hydroxy Impurity

Pitolisant Hydroxy Impurity

Formula: C₁₇H₂₆ClNO₂.ClH
MW: 348.31 g/mol

In stock

Reference Standard

Pitolisant Impurity - 84 chemical structure

Pitolisant Impurity - 84

CAS: 2761367-86-4
Formula: C₁₇H₂₄ClNO₂
MW: 309.8 g/mol

In stock

Reference Standard

Pitolisant Impurity - 95 chemical structure

Pitolisant Impurity - 95

CAS: 2421105-04-4
Formula: C₁₇H₂₄ClNO₂
MW: 309.8 g/mol

In stock

Reference Standard

Pitolisant Impurity 11 chemical structure

Pitolisant Impurity 11

CAS: 6282-88-8
Formula: C₉H₁₁ClO
MW: 170.63 g/mol

VQ-005544

Reference Standard

Pitolisant Impurity 9

Pitolisant Impurity 9

CAS: 31951-46-9
Formula: C₁₃H₂₆N₂
MW: 210.36 g/mol

In stock

Reference Standard

Pitolisant Keto Impurity

Pitolisant Keto Impurity

Formula: C₁₇H₂₄ClNO₂
MW: 309.83 g/mol

In stock

Reference Standard

Pivampicillin chemical structure

CAS: 33817-20-8
Formula: C₂₂H₂₉N₃O₆S
MW: 463.5 g/mol

VQ-044573

Reference Standard

Pivmecillinam Hydrochloride chemical structure

Pivmecillinam Hydrochloride

CAS: 32887-03-9
Formula: C₂₁H₃₄ClN₃O₅S
MW: 476 g/mol

VQ-033237

Reference Standard

Pizotyline chemical structure

CAS: 15574-96-6
Formula: C₁₉H₂₁NS
MW: 295.4 g/mol

VQ-041539

Reference Standard

Plastic additive 6 chemical structure

Plastic additive 6

CAS: 27676-62-6
Formula: C₄₈H₆₉N₃O₆
MW: 784.1 g/mol

VQ-027182

Reference Standard

Plazomicin chemical structure

CAS: 1154757-24-0
Formula: C₂₅H₄₈N₆O₁₀
MW: 592.7 g/mol

VQ-027546

Reference Standard

Plazomicin Sulfate chemical structure

Plazomicin Sulfate

CAS: 1380078-95-4
Formula: C₂₅H₅₀N₆O₁₄S
MW: 690.8 g/mol

VQ-041540

Reference Standard

Plecanatide chemical structure

CAS: 467426-54-6
Formula: C₆₅H₁₀₄N₁₈O₂₆S₄
MW: 1681.9 g/mol

VQ-032509

Reference Standard

Plerixafor Aldehyde Impurity chemical structure

Plerixafor Aldehyde Impurity

CAS: 1254176-45-8
Formula: C₁₈H₃₀N₄O
MW: 318.5 g/mol

In stock

Reference Standard

Plerixafor Impurity 1 (Hydroxy Impurity) chemical structure

Plerixafor Impurity 1 (Hydroxy Impurity)

CAS: 176252-20-3
Formula: C₁₈H₃₂N₄O
MW: 320.5 g/mol

In stock

Reference Standard

Plerixafor Impurity 13

Plerixafor Impurity 13

Formula: C₂₉H₅₄N₈
MW: 514.79 g/mol

In stock

Reference Standard

Plerixafor Impurity 2 chemical structure

Plerixafor Impurity 2

CAS: 414858-02-9
Formula: C₄₆H₈₄N₁₂
MW: 805.2 g/mol

In stock

Reference Standard

Plerixafor Impurity 2 (Hydrochloride)

Plerixafor Impurity 2 (Hydrochloride)

Formula: C₄₆H₈₄N_12.8ClH
MW: 1096.93 g/mol

In stock

Reference Standard

Plerixafor Impurity 3 chemical structure

Plerixafor Impurity 3

CAS: 771464-86-9
Formula: C₄₆H₈₄N₁₂
MW: 805.2 g/mol

In stock

Reference Standard

Plerixafor Impurity 3 (Hydrochloride)

Plerixafor Impurity 3 (Hydrochloride)

Formula: C₄₆H₈₄N₁₂.ClH
MW: 841.7 g/mol

VQ-005553

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