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Impurities & Reference Standards

API Impurities

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

14,252products

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COA + SDSwith every lot

Reference Standard

Eliglustat Hexa Analogue chemical structure

Eliglustat Hexa Analogue

CAS: 2193051-88-4
Formula: C₂₁H₃₂N₂O₄
MW: 376.5 g/mol

VQ-030433

Reference Standard

Eliglustat N-Acetyl Impurity chemical structure

Eliglustat N-Acetyl Impurity

CAS: 2219353-50-9
Formula: C₁₇H₂₄N₂O₄
MW: 320.4 g/mol

VQ-036940

Reference Standard

Eliglustat Phenyl Amino Alcohol Impurity chemical structure

Eliglustat Phenyl Amino Alcohol Impurity

CAS: 491833-27-3
Formula: C₂₃H₃₀N₂O₄
MW: 398.5 g/mol

VQ-030427

Reference Standard

Elinzanetant Chloro Impurity chemical structure

Elinzanetant Chloro Impurity

CAS: 825643-73-0
Formula: C₂₅H₂₀ClF₇N₂O
MW: 532.9 g/mol

VQ-030437

Reference Standard

Elinzanetant Impurity 27

Elinzanetant Impurity 27

CAS: 929048-27-1
Formula: C₃₉H₄₉F₇N₄O₃Si
MW: 782.92 g/mol

VQ-036952

Reference Standard

Elinzanetant Impurity-4 chemical structure

Elinzanetant Impurity-4

CAS: 929047-30-3
Formula: C₁₄H₃₀N₂O₂Si
MW: 286.49 g/mol

VQ-048170

Reference Standard

Elobixibat Methyl Ester Impurity chemical structure

Elobixibat Methyl Ester Impurity

CAS: 439088-19-4
Formula: C₃₅H₄₄N₂O₆S₂
MW: 652.9 g/mol

VQ-022503

Reference Standard

Elobixibat S-Isomer chemical structure

Elobixibat S-Isomer

CAS: 439087-68-0
Formula: C₃₆H₄₅N₃O₇S₂
MW: 695.9 g/mol

VQ-021217

Reference Standard

Elobixibat Tetra Butyl Impurity chemical structure

Elobixibat Tetra Butyl Impurity

CAS: 439088-54-7
Formula: C₄₀H₅₃N₃O₇S₂
MW: 752 g/mol

VQ-022501

Reference Standard

Eltrombopag (E)-Isomer chemical structure

Eltrombopag (E)-Isomer

CAS: 1807882-48-9
Formula: C₂₅H₂₂N₄O₄
MW: 442.5 g/mol

VQ-048185

Reference Standard

Eltrombopag Amide chemical structure

Eltrombopag Amide

CAS: 1246929-02-1
Formula: C₂₅H₂₃N₅O₃
MW: 441.5 g/mol

VQ-025514

Reference Standard

Eltrombopag Ethyl Ester chemical structure

Eltrombopag Ethyl Ester

CAS: 3077185-45-3
Formula: C₂₇H₂₆N₄O₄
MW: 470.5 g/mol

VQ-030444

Reference Standard

Eltrombopag impurity 32, E-4842 chemical structure

Eltrombopag impurity 32, E-4842

CAS: 1782285-05-5
Formula: C₁₂H₁₄N₂O
MW: 202.25 g/mol

VQ-048183

Reference Standard

Eltrombopag Methyl Ester chemical structure

Eltrombopag Methyl Ester

CAS: 1246929-01-0
Formula: C₂₆H₂₄N₄O₄
MW: 456.5 g/mol

VQ-022505

Reference Standard

Eltrombopag Olamine Lactose Adduct Impurity chemical structure

Eltrombopag Olamine Lactose Adduct Impurity

CAS: 193979-22-5
Formula: C₁₄H₂₇NO₁₁
MW: 385.36 g/mol

VQ-048173

Reference Standard

Elvitegravir Impurity 1 chemical structure

Elvitegravir Impurity 1

CAS: 1484038-03-0
Formula: C₁₅H₁₄ClFO₂
MW: 280.72 g/mol

VQ-050527

Reference Standard

Empagliflozin 5-Di-THF Impurity

Empagliflozin 5-Di-THF Impurity

Formula: C₂₇H₃₃ClO₈
MW: 520.19 g/mol

In stock

Reference Standard

Empagliflozin 6-Di-THF Impurity

Empagliflozin 6-Di-THF Impurity

Formula: C₂₇H₃₃ClO₈
MW: 520.19 g/mol

In stock

Reference Standard

Empagliflozin Acetyl Impurity chemical structure

Empagliflozin Acetyl Impurity

CAS: 1079083-63-8
Formula: C₂₇H₂₉ClO₁₀
MW: 549 g/mol

In stock

Reference Standard

Empagliflozin Aglycon Phenol chemical structure

Empagliflozin Aglycon Phenol

CAS: 2770456-61-4
Formula: C₁₇H₁₇ClO₃
MW: 304.8 g/mol

VQ-036974

Reference Standard

Empagliflozin Alpha Anomer-Unknown Impurity

Empagliflozin Alpha Anomer-Unknown Impurity

Formula: C₁₂H₁₆O₉
MW: 304.25 g/mol

In stock

Reference Standard

Empagliflozin alpha Isomer chemical structure

Empagliflozin alpha Isomer

CAS: 1620758-33-9
Formula: C₂₃H₂₇ClO₇
MW: 450.9 g/mol

In stock

Reference Standard

Empagliflozin Bromo Impurity chemical structure

Empagliflozin Bromo Impurity

CAS: 915095-89-5
Formula: C₁₇H₁₆BrClO₂
MW: 367.7 g/mol

In stock

Reference Standard

Empagliflozin Desbromo Impurity chemical structure

Empagliflozin Desbromo Impurity

CAS: 2517968-35-1
Formula: C₁₇H₁₇ClO₂
MW: 288.8 g/mol

In stock

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