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Impurities & Reference Standards

API Impurities

Source 1942 api impurities for research, QC and production, documented with COA and SDS.

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Reference Standard

Linezolid Epoxide Impurity chemical structure

Linezolid Epoxide Impurity

CAS: 1634630-28-6
Formula: C₁₃H₁₇FN₂O₂
MW: 252.28 g/mol

VQ-038069

Reference Standard

Linezolid Impurity 29 chemical structure

Linezolid Impurity 29

CAS: 868405-66-7
Formula: C₁₃H₁₈ClFN₂O₂
MW: 288.74 g/mol

VQ-048899

Reference Standard

Linezolid Impurity Stage-III (Crude) chemical structure

Linezolid Impurity Stage-III (Crude)

CAS: 952288-54-9
Formula: C₁₄H₁₉N₃O₃
MW: 277.32 g/mol

In stock

Reference Standard

Linezolid JXA Impurity chemical structure

Linezolid JXA Impurity

CAS: 168828-65-7
Formula: C₁₅H₁₈FN₃O₄
MW: 323.32 g/mol

VQ-038073

Reference Standard

Linezolid Mono Methyl Amide Impurity chemical structure

Linezolid Mono Methyl Amide Impurity

Formula: C₂₃H₂₅FN₄O₅
MW: 456.5 g/mol

In stock

Reference Standard

Linezolid N-Acetylamino Impurity chemical structure

Linezolid N-Acetylamino Impurity

CAS: 1807854-53-0
Formula: C₁₂H₁₅FN₂O₂
MW: 238.26 g/mol

VQ-031590

Reference Standard

Linezolid Propanamide Impurity chemical structure

Linezolid Propanamide Impurity

CAS: 216869-17-9
Formula: C₁₇H₂₂FN₃O₄
MW: 351.4 g/mol

In stock

Reference Standard

Linezolid R-Isomer chemical structure

Linezolid R-Isomer

CAS: 872992-20-6
Formula: C₁₆H₂₀FN₃O₄
MW: 337.35 g/mol

In stock

Reference Standard

Linezolid Undesired Di Benzyl Impurity chemical structure

Linezolid Undesired Di Benzyl Impurity

Formula: C₂₈H₃₀FN₃O₃
MW: 475.6 g/mol

In stock

Reference Standard

Linolenic Acid Ethyl Ester chemical structure

Linolenic Acid Ethyl Ester

CAS: 1191-41-9
Formula: C₂₀H₃₄O₂
MW: 306.5 g/mol

VQ-032595

Reference Standard

Linolenic Acid Impurity 1

Linolenic Acid Impurity 1

CAS: 110916-99-9
Formula: C₁₈H₃₀O₃
MW: 294.4 g/mol

VQ-048903

Reference Standard

Linsidomine Hydrochloride chemical structure

Linsidomine Hydrochloride

CAS: 16142-27-1
Formula: C₆H₁₁ClN₄O₂
MW: 206.63 g/mol

VQ-031974

Reference Standard

Lipstatin chemical structure

CAS: 96829-59-3
Formula: C₂₉H₄₉NO₅
MW: 491.7 g/mol

VQ-031595

Reference Standard

Lisdexamfetamine diastereomer 2 (R,S isomer) chemical structure

Lisdexamfetamine diastereomer 2 (R,S isomer)

CAS: 5002-60-8
Formula: C₁₅H₂₅N₃O
MW: 263.38 g/mol

VQ-038084

Reference Standard

Lisdexamfetamine enantiomer (R, R isomer) chemical structure

Lisdexamfetamine enantiomer (R, R isomer)

CAS: 3070439-34-5
Formula: C₁₅H₂₅N₃O
MW: 263.38 g/mol

VQ-048906

Reference Standard

Lisdexamfetamine Tetramino Analog chemical structure

Lisdexamfetamine Tetramino Analog

CAS: 2243794-25-2
Formula: C₂₇H₄₉N₇O₃
MW: 519.7 g/mol

VQ-038082

Reference Standard

Lisdexamfetamine Urea Impurity chemical structure

Lisdexamfetamine Urea Impurity

CAS: 4106-13-2
Formula: C₁₉H₂₄N₂O
MW: 296.4 g/mol

VQ-048905

Reference Standard

Lithium chemical structure

CAS: 1960444-14-7
Formula: C₃₁H₄₂N₄O₆
MW: 566.7 g/mol

VQ-036159

Reference Standard

Lithium Clavulanate chemical structure

Lithium Clavulanate

CAS: 61177-44-4
Formula: C₈H₈LiNO₅
MW: 205.1 g/mol

VQ-033260

Reference Standard

Lithium orotate chemical structure

Lithium orotate

CAS: 5266-20-6
Formula: C₅H₃LiN₂O₄
MW: 162.1 g/mol

VQ-041057

Reference Standard

Littorine chemical structure

CAS: 35721-90-5
Formula: C₁₇H₂₃NO₃
MW: 289.4 g/mol

VQ-035858

Reference Standard

LMP Dimer Impurity

LMP Dimer Impurity

Formula: C₅₁H₅₆N₁₆O₄
MW: 957.1 g/mol

In stock

Reference Standard

Lobeglitazone Dehydro Impurity

Lobeglitazone Dehydro Impurity

CAS: 607722-95-2
Formula: C₂₄H₂₂N₄O₅S
MW: 478.52 g/mol

VQ-031604

Reference Standard

Lobeglitazone LB-02 chemical structure

Lobeglitazone LB-02

CAS: 607723-87-5
Formula: C₂₁H₂₁N₃O₄
MW: 379.4 g/mol

VQ-031606

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