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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

Dexamethasone Phenylpropionate chemical structure

Dexamethasone Phenylpropionate

CAS: 1879-72-7
Formula: C₃₁H₃₇FO₆
MW: 524.6 g/mol

VQ-030152

Reference Standard

Dexamethasone Phosphate chemical structure

Dexamethasone Phosphate

CAS: 312-93-6
Formula: C₂₂H₃₀FO₈P
MW: 472.4 g/mol

VQ-025270

Reference Standard

Dexamethasone Phosphate Bisulfate Adduct Sodium Salt chemical structure

Dexamethasone Phosphate Bisulfate Adduct Sodium Salt

CAS: 39005-10-2
Formula: C₂₂H₃₂FO₁₁PS
MW: 554.5 g/mol

VQ-025276

Reference Standard

Dexamethasone Pivalate chemical structure

Dexamethasone Pivalate

CAS: 1926-94-9
Formula: C₂₇H₃₇FO₆
MW: 476.6 g/mol

VQ-048002

Reference Standard

Dexamethasone Sodium Metasulfobenzoate WS chemical structure

Dexamethasone Sodium Metasulfobenzoate WS

CAS: 3936-02-5
Formula: C₂₉H₃₂FNaO₉S
MW: 598.6 g/mol

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Reference Standard

Dexamethasone Sodium Phosphate chemical structure

Dexamethasone Sodium Phosphate

CAS: 2392-39-4
Formula: C₂₂H₂₈FNa₂O₈P
MW: 516.4 g/mol

VQ-022337

Reference Standard

Dexamethasone Sodium Phosphate EP Impurity H chemical structure

Dexamethasone Sodium Phosphate EP Impurity H

CAS: 162968-22-1
Formula: C₂₂H₃₂FO₈P
MW: 474.5 g/mol

VQ-025271

Reference Standard

Dexamethasone Sodium Phosphate Impurity C chemical structure

Dexamethasone Sodium Phosphate Impurity C

CAS: 1202001-99-7
Formula: C₂₂H₃₀FO₈P
MW: 472.4 g/mol

VQ-035955

Reference Standard

Dexamethasone sulfite adduct chemical structure

Dexamethasone sulfite adduct

CAS: 763865-71-0
Formula: C₂₂H₃₂FO₁₁PS
MW: 554.5 g/mol

VQ-036654

Reference Standard

Dexamethasone-17-Ketone (Mixture of Diastereomers) chemical structure

Dexamethasone-17-Ketone (Mixture of Diastereomers)

CAS: 2285-53-2
Formula: C₂₀H₂₅FO₃
MW: 332.4 g/mol

VQ-030150

Reference Standard

Dexamethasone-17,20 21-Aldehyde chemical structure

Dexamethasone-17,20 21-Aldehyde

CAS: 6762-51-2
Formula: C₂₂H₂₇FO₄
MW: 374.4 g/mol

VQ-025273

Reference Standard

Dexamfetamine Sulfate EP Impurity 1

Dexamfetamine Sulfate EP Impurity 1

CAS: 87923-32-8
Formula: C₁₇H₂₁N
MW: 239.4 g/mol

VQ-044523

Reference Standard

Dexbrompheniramine Maleate chemical structure

Dexbrompheniramine Maleate

CAS: 2391-03-9
Formula: C₂₀H₂₃BrN₂O₄
MW: 435.3 g/mol

VQ-036657

Reference Standard

Dexchlorpheniramine chemical structure

Dexchlorpheniramine

CAS: 25523-97-1
Formula: C₁₆H₁₉ClN₂
MW: 274.79 g/mol

VQ-007419

Reference Standard

Dexchlorpheniramine Maleate EP Impurity B chemical structure

Dexchlorpheniramine Maleate EP Impurity B

CAS: 32188-09-3
Formula: C₁₆H₁₉ClN₂
MW: 274.79 g/mol

VQ-024935

Reference Standard

Dexchlorpheniramine Maleate WS chemical structure

Dexchlorpheniramine Maleate WS

CAS: 2438-32-6
Formula: C₂₀H₂₃ClN₂O₄
MW: 390.9 g/mol

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Reference Standard

Dexchlorpheniramine n-Oxide

Dexchlorpheniramine n-Oxide

CAS: 142494-46-0
Formula: C₁₆H₁₉ClN₂O
MW: 290.8 g/mol

VQ-024938

Reference Standard

Dexibuprofen Isopropyl Ester chemical structure

Dexibuprofen Isopropyl Ester

CAS: 1114975-39-1
Formula: C₁₆H₂₄O₂
MW: 248.36 g/mol

VQ-031135

Reference Standard

Dexketoprofen chemical structure

CAS: 22161-81-5
Formula: C₁₆H₁₄O₃
MW: 254.28 g/mol

VQ-031376

Reference Standard

Dexketoprofen acyl beta D-Glucuronide chemical structure

Dexketoprofen acyl beta D-Glucuronide

CAS: 140148-26-1
Formula: C₂₂H₂₂O₉
MW: 430.4 g/mol

VQ-048748

Reference Standard

Dexketoprofen Methyl Ester chemical structure

Dexketoprofen Methyl Ester

CAS: 81601-91-4
Formula: C₁₇H₁₆O₃
MW: 268.31 g/mol

VQ-034986

Reference Standard

Dexketoprofen-D3

Dexketoprofen-D3

CAS: 2747914-77-6
Formula: C₁₆H₁₁D₃O₃
MW: 257.3 g/mol

VQ-045002

Reference Standard

Dexlansoprazol Impurity (RRT 2.17)

Dexlansoprazol Impurity (RRT 2.17)

Formula: C₃₂H₂₄F₆N₆O₂S.C₂HF₃O₂
MW: 784.65 g/mol

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Reference Standard

Dexlansoprazole Dimer Impurity chemical structure

Dexlansoprazole Dimer Impurity

CAS: 1083100-26-8
Formula: C₂₅H₂₂F₆N₄O₃S
MW: 572.5 g/mol

In stock

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