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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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1,516in stock

COA + SDSwith every lot

Reference Standard

Deschloro Asenapine

Deschloro Asenapine

CAS: 65576-39-8
Formula: C₁₇H₁₇NO
MW: 251.33 g/mol

VQ-024373

Reference Standard

Deschloro Bupropion (Free Base) chemical structure

Deschloro Bupropion (Free Base)

CAS: 34509-36-9
Formula: C₁₃H₁₉NO
MW: 205.3 g/mol

VQ-043935

Reference Standard

Deschloro Clomiphene chemical structure

Deschloro Clomiphene

CAS: 19957-52-9
Formula: C₂₆H₂₉NO
MW: 371.5 g/mol

VQ-025043

Reference Standard

Deschloro Clomiphene Hydrochloride (E/Z Mixture) chemical structure

Deschloro Clomiphene Hydrochloride (E/Z Mixture)

CAS: 74056-26-1
Formula: C₂₆H₃₀ClNO
MW: 408 g/mol

VQ-022232

Reference Standard

Deschloro Clomiphene Z-Isomer

Deschloro Clomiphene Z-Isomer

CAS: 97800-40-3
Formula: C₂₆H₂₉NO
MW: 371.5 g/mol

VQ-044354

Reference Standard

Deschloro Dasatinib chemical structure

Deschloro Dasatinib

CAS: 1184919-23-0
Formula: C₂₂H₂₇N₇O₂S
MW: 453.6 g/mol

In stock

Reference Standard

Deschloro Diazoxide Impurity chemical structure

Deschloro Diazoxide Impurity

CAS: 360-81-6
Formula: C₈H₈N₂O₂S
MW: 196.23 g/mol

In stock

Reference Standard

Deschloro Etifoxine

Deschloro Etifoxine

CAS: 2548763-33-1
Formula: C₁₇H₁₈N₂O
MW: 266.34 g/mol

VQ-037143

Reference Standard

Deschloro Etoricoxib chemical structure

Deschloro Etoricoxib

CAS: 1350206-14-2
Formula: C₁₈H₁₆N₂O₂S
MW: 324.4 g/mol

VQ-022610

Reference Standard

Deschloro Florfenicol chemical structure

Deschloro Florfenicol

CAS: 138872-73-8
Formula: C₁₂H₁₅ClFNO₄S
MW: 323.77 g/mol

VQ-030762

Reference Standard

Deschloro Fluazuron Impurity

Deschloro Fluazuron Impurity

CAS: 86811-55-4
Formula: C₂₀H₁₁ClF₅N₃O₃
MW: 471.76 g/mol

VQ-048407

Reference Standard

Deschloro Lapatinib chemical structure

Deschloro Lapatinib

CAS: 633370-23-7
Formula: C₂₉H₂₇FN₄O₄S
MW: 546.6 g/mol

VQ-022926

Reference Standard

Deschloro Lenacapavir chemical structure

Deschloro Lenacapavir

CAS: 3025145-47-2
Formula: C₃₉H₃₃F₁₀N₇O₅S₂
MW: 933.8 g/mol

VQ-026396

Reference Standard

Deschloro Loratadine chemical structure

Deschloro Loratadine

CAS: 79779-58-1
Formula: C₂₂H₂₄N₂O₂
MW: 348.4 g/mol

VQ-038120

Reference Standard

Deschloro Pimecrolimus chemical structure

Deschloro Pimecrolimus

CAS: 137712-89-1
Formula: C₄₃H₆₉NO₁₁
MW: 776 g/mol

VQ-033188

Reference Standard

Deschloro Venetoclax Impurity chemical structure

Deschloro Venetoclax Impurity

CAS: 2573767-91-4
Formula: C₄₅H₅₁N₇O₇S
MW: 834 g/mol

In stock

Reference Standard

Deschloro-1,2-dihydro-2-oxo Clomiphene Hydrochloride Salt chemical structure

Deschloro-1,2-dihydro-2-oxo Clomiphene Hydrochloride Salt

CAS: 5635-70-1
Formula: C₂₆H₃₀ClNO₂
MW: 424 g/mol

VQ-022233

Reference Standard

Deschloro-delafloxacin chemical structure

Deschloro-delafloxacin

CAS: 959374-64-2
Formula: C₁₈H₁₃F₃N₄O₄
MW: 406.3 g/mol

VQ-025237

Reference Standard

Deschloro-Zopiclone chemical structure

Deschloro-Zopiclone

CAS: 1348046-61-6
Formula: C₁₇H₁₈N₆O₃
MW: 354.4 g/mol

VQ-043807

Reference Standard

Description:Fulvestrant Impurity 26

Description:Fulvestrant Impurity 26

CAS: 2170233-15-3
Formula: C₄₂H₆₃F₅O₅S
MW: 775.01 g/mol

VQ-030898

Reference Standard

Desdifluoro Dolutegravir Impurity chemical structure

Desdifluoro Dolutegravir Impurity

CAS: 2244161-71-3
Formula: C₂₀H₂₁N₃O₅
MW: 383.4 g/mol

In stock

Reference Standard

Desfluoro Baloxavir Hexyloxy Impurity chemical structure

Desfluoro Baloxavir Hexyloxy Impurity

CAS: 2136287-69-7
Formula: C₃₀H₃₁F₂N₃O₄S
MW: 567.6 g/mol

VQ-035558

Reference Standard

Desfluoro Baloxavir marboxil chemical structure

Desfluoro Baloxavir marboxil

CAS: 2954948-28-6
Formula: C₂₇H₂₄FN₃O₇S
MW: 553.6 g/mol

VQ-045447

Reference Standard

Desfluoro Fluvoxketone chemical structure

Desfluoro Fluvoxketone

CAS: 1391053-78-3
Formula: C₁₃H₁₆F₂O₂
MW: 242.26 g/mol

VQ-022707

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