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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.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Lansoprazole Impurity 26 chemical structure

Lansoprazole Impurity 26

CAS: 1187926-85-7
Formula: C₁₄H₁₂N₄O₄S
MW: 332.34 g/mol

VQ-048791

Reference Standard

Lansoprazole Impurity 33 Chloride chemical structure

Lansoprazole Impurity 33 Chloride

CAS: 2730135-08-5
Formula: C₁₆H₁₅ClF₃N₃O
MW: 357.76 g/mol

VQ-037884

Reference Standard

Lansoprazole Impurity H chemical structure

Lansoprazole Impurity H

CAS: 1346598-28-4
Formula: C₂₃H₁₆F₃N₅OS
MW: 467.5 g/mol

VQ-026356

Reference Standard

Lansoprazole Nirosulphoxide Impurity chemical structure

Lansoprazole Nirosulphoxide Impurity

CAS: 142384-07-4
Formula: C₁₄H₁₂N₄O₃S
MW: 316.34 g/mol

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Reference Standard

Lansoprazole S-Isomer chemical structure

Lansoprazole S-Isomer

CAS: 138530-95-7
Formula: C₁₆H₁₄F₃N₃O₂S
MW: 369.4 g/mol

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Reference Standard

Lansoprazole Sodium chemical structure

Lansoprazole Sodium

CAS: 226904-00-3
Formula: C₁₆H₁₃F₃N₃NaO₂S
MW: 391.3 g/mol

VQ-043203

Reference Standard

Lansoprazole Sulfenamide chemical structure

Lansoprazole Sulfenamide

CAS: 111712-15-3
Formula: C₁₆H₁₃F₃N₃OS⁺
MW: 352.4 g/mol

VQ-031442

Reference Standard

Lansoprazole Sulfide Dimer Impurity chemical structure

Lansoprazole Sulfide Dimer Impurity

CAS: 1083100-27-9
Formula: C₂₅H₂₂F₆N₄O₂S
MW: 556.5 g/mol

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Reference Standard

Lansoprazole Sulfide N-Oxide chemical structure

Lansoprazole Sulfide N-Oxide

CAS: 163119-30-0
Formula: C₁₆H₁₄F₃N₃O₂S
MW: 369.4 g/mol

VQ-022921

Reference Standard

Lansoprazole Sulfone N-Oxide chemical structure

Lansoprazole Sulfone N-Oxide

CAS: 953787-54-7
Formula: C₁₆H₁₄F₃N₃O₄S
MW: 401.4 g/mol

VQ-026354

Reference Standard

Lansoprazole Thiadiazine Impurity chemical structure

Lansoprazole Thiadiazine Impurity

CAS: 1781244-56-1
Formula: C₂₃H₁₆F₃N₅OS
MW: 467.5 g/mol

VQ-022923

Reference Standard

Lansoprazole Thioxo Impurity chemical structure

Lansoprazole Thioxo Impurity

CAS: 1246819-06-6
Formula: C₁₄H₉N₃OS
MW: 267.31 g/mol

VQ-026357

Reference Standard

Lansoprazole WS chemical structure

Lansoprazole WS

CAS: 103577-45-3
Formula: C₁₆H₁₄F₃N₃O₂S
MW: 369.4 g/mol

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Reference Standard

Lansoprazole-d4 chemical structure

Lansoprazole-d4

CAS: 934294-22-1
Formula: C₁₆H₁₄F₃N₃O₂S
MW: 373.4 g/mol

VQ-031444

Reference Standard

Lapatinib chemical structure

CAS: 231277-92-2
Formula: C₂₉H₂₆ClFN₄O₄S
MW: 581.1 g/mol

VQ-026364

Reference Standard

Lapatinib 2-Fluoro Impurity chemical structure

Lapatinib 2-Fluoro Impurity

CAS: 1393112-45-2
Formula: C₂₉H₂₆ClFN₄O₄S
MW: 581.1 g/mol

VQ-022927

Reference Standard

Lapatinib 4-Fluoro Impurity chemical structure

Lapatinib 4-Fluoro Impurity

CAS: 1026818-86-9
Formula: C₂₉H₂₆ClFN₄O₄S
MW: 581.1 g/mol

VQ-022928

Reference Standard

Lapatinib Ditosylate chemical structure

Lapatinib Ditosylate

CAS: 388082-77-7
Formula: C₄₃H₄₂ClFN₄O₁₀S₃
MW: 925.5 g/mol

VQ-031445

Reference Standard

Lapatinib ditosylate monohydrate chemical structure

Lapatinib ditosylate monohydrate

CAS: 388082-78-8
Formula: C₄₃H₄₄ClFN₄O₁₁S₃
MW: 943.5 g/mol

VQ-037886

Reference Standard

Lapatinib Impurity 2 chemical structure

Lapatinib Impurity 2

CAS: 1807733-95-4
Formula: C₂₉H₂₅ClFN₄O₄S⁺
MW: 580 g/mol

VQ-048794

Reference Standard

Lappaconitine Hydrobromide chemical structure

Lappaconitine Hydrobromide

CAS: 97792-45-5
Formula: C₃₂H₄₅BrN₂O₈
MW: 665.6 g/mol

VQ-037887

Reference Standard

Laquinimod Desethyl Impurity chemical structure

Laquinimod Desethyl Impurity

CAS: 879410-94-3
Formula: C₁₇H₁₃ClN₂O₃
MW: 328.7 g/mol

VQ-037889

Reference Standard

Laquinimod Sodium chemical structure

Laquinimod Sodium

CAS: 248282-07-7
Formula: C₁₉H₁₆ClN₂NaO₃
MW: 378.8 g/mol

VQ-037888

Reference Standard

Larotrectinib Sulphate WS chemical structure

Larotrectinib Sulphate WS

CAS: 1223405-08-0
Formula: C₂₁H₂₄F₂N₆O₆S
MW: 526.5 g/mol

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