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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

Ganirelix Acetate Impurity D chemical structure

Ganirelix Acetate Impurity D

CAS: 129225-21-4
Formula: C₈₀H₁₁₂ClN₁₇O₁₄
MW: 1571.3 g/mol

VQ-037485

Reference Standard

Ganirelix Impurity 1 chemical structure

Ganirelix Impurity 1

CAS: 129225-23-6
Formula: C₄₈H₈₄N₁₄O₉
MW: 1001.3 g/mol

VQ-048505

Reference Standard

Garamine Impurity 1 chemical structure

Garamine Impurity 1

CAS: 29914-71-4
Formula: C₇H₁₅NO₄
MW: 177.2 g/mol

VQ-037508

Reference Standard

Garcinol chemical structure

CAS: 78824-30-3
Formula: C₃₈H₅₀O₆
MW: 602.8 g/mol

VQ-040691

Reference Standard

Garenoxacin chemical structure

CAS: 194804-75-6
Formula: C₂₃H₂₀F₂N₂O₄
MW: 426.4 g/mol

VQ-037486

Reference Standard

Gatifloxacin Impurity 6 chemical structure

Gatifloxacin Impurity 6

CAS: 121577-35-3
Formula: C₁₅H₁₆F₃NO₄
MW: 331.29 g/mol

In stock

Reference Standard

Gatifloxacin Impurity 7 chemical structure

Gatifloxacin Impurity 7

CAS: 112811-70-8
Formula: C₁₆H₁₆F₃NO₄
MW: 343.3 g/mol

In stock

Reference Standard

Gatifloxacin N-Oxide chemical structure

Gatifloxacin N-Oxide

CAS: 1798008-43-1
Formula: C₁₉H₂₂FN₃O₅
MW: 391.4 g/mol

VQ-030949

Reference Standard

Gatifloxacin Related Compound A chemical structure

Gatifloxacin Related Compound A

CAS: 616205-76-6
Formula: C₁₈H₂₀FN₃O₄
MW: 361.4 g/mol

In stock

Reference Standard

Gatifloxacin Related Compound A (Hydrobromide)

Gatifloxacin Related Compound A (Hydrobromide)

Formula: C₁₈H₂₀FN₃O₄.BrH
MW: 442.28 g/mol

VQ-007173

Reference Standard

Gatifloxacin Sesquihydrate chemical structure

Gatifloxacin Sesquihydrate

CAS: 180200-66-2
Formula: C₃₈H₅₀F₂N₆O₁₁
MW: 804.8 g/mol

VQ-037487

Reference Standard

Gatifloxacin USP Related Compound D chemical structure

Gatifloxacin USP Related Compound D

CAS: 112811-57-1
Formula: C₁₈H₂₀FN₃O₄
MW: 361.4 g/mol

VQ-025961

Reference Standard

Gatifloxacin USP Related Compound E chemical structure

Gatifloxacin USP Related Compound E

CAS: 1029364-65-5
Formula: C₁₉H₂₂FN₃O₄
MW: 375.4 g/mol

In stock

Reference Standard

Gatifloxacin-d4 chemical structure

Gatifloxacin-d4

CAS: 1190043-25-4
Formula: C₁₉H₂₂FN₃O₄
MW: 379.4 g/mol

VQ-030951

Reference Standard

Gefapixant chemical structure

CAS: 1015787-98-0
Formula: C₁₄H₁₉N₅O₄S
MW: 353.4 g/mol

VQ-025964

Reference Standard

Gefapixant Citrate chemical structure

Gefapixant Citrate

CAS: 2310299-91-1
Formula: C₂₀H₂₇N₅O₁₁S
MW: 545.5 g/mol

VQ-037488

Reference Standard

Gefapixant Methoxyphenol Impurity chemical structure

Gefapixant Methoxyphenol Impurity

CAS: 13522-86-6
Formula: C₁₀H₁₄O₂
MW: 166.22 g/mol

VQ-037489

Reference Standard

Gefapixant Nitrile Impurity chemical structure

Gefapixant Nitrile Impurity

CAS: 927872-64-8
Formula: C₁₂H₁₅NO₂
MW: 205.25 g/mol

VQ-030952

Reference Standard

Gefitinib 3,4-Difluoro Impurity chemical structure

Gefitinib 3,4-Difluoro Impurity

CAS: 184475-50-1
Formula: C₂₂H₂₄F₂N₄O₃
MW: 430.4 g/mol

VQ-025967

Reference Standard

Gefitinib 3,4-Difluoro Impurity Hydrochloride chemical structure

Gefitinib 3,4-Difluoro Impurity Hydrochloride

CAS: 184475-68-1
Formula: C₂₂H₂₅ClF₂N₄O₃
MW: 466.9 g/mol

VQ-048508

Reference Standard

Gefitinib EP Impurity A chemical structure

Gefitinib EP Impurity A

CAS: 199327-61-2
Formula: C₁₆H₂₁N₃O₄
MW: 319.36 g/mol

In stock

Reference Standard

Gefitinib EP Impurity B chemical structure

Gefitinib EP Impurity B

CAS: 1603814-04-5
Formula: C₂₂H₂₄ClFN₄O₃
MW: 446.9 g/mol

In stock

Reference Standard

Gefitinib Impurity 28 chemical structure

Gefitinib Impurity 28

CAS: 912556-91-3
Formula: C₁₈H₁₆Cl₂FN₃O₂
MW: 396.2 g/mol

VQ-048507

Reference Standard

Gefitinib Impurity 3 chemical structure

Gefitinib Impurity 3

CAS: 1640351-46-7
Formula: C₁₅H₂₂N₂O₅
MW: 310.35 g/mol

VQ-043565

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