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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.

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Tafamidis Impurity 23

Tafamidis Impurity 23

CAS: 2892700-63-7
Formula: C₁₆H₁₂Cl₂N₂O₂
MW: 335.19 g/mol

In stock

Reference Standard

Tafamidis Impurity 24

Tafamidis Impurity 24

Formula: C₁₄H₁₀Cl₂N₂O₄
MW: 341.15 g/mol

In stock

Reference Standard

Tafamidis Impurity 3 chemical structure

Tafamidis Impurity 3

CAS: 1184581-58-5
Formula: C₁₄H₉Cl₂NO₄
MW: 326.1 g/mol

In stock

Reference Standard

Tafamidis Impurity 4 chemical structure

Tafamidis Impurity 4

CAS: 1507158-86-2
Formula: C₁₄H₇Cl₂NO₃
MW: 308.1 g/mol

In stock

Reference Standard

Tafamidis Meglumine chemical structure

Tafamidis Meglumine

CAS: 951395-08-7
Formula: C₂₁H₂₄Cl₂N₂O₈
MW: 503.3 g/mol

In stock

Reference Standard

Tafenoquine chemical structure

CAS: 106635-80-7
Formula: C₂₄H₂₈F₃N₃O₃
MW: 463.5 g/mol

VQ-034027

Reference Standard

Tafenoquine Impurity 5 chemical structure

Tafenoquine Impurity 5

CAS: 5342-23-4
Formula: C₁₁H₁₁NO₂
MW: 189.21 g/mol

In stock

Reference Standard

Tafenoquine Impurity 7 chemical structure

Tafenoquine Impurity 7

CAS: 189746-19-8
Formula: C₁₂H₁₂ClNO₂
MW: 237.68 g/mol

In stock

Reference Standard

Tafenoquine Impurity 8 chemical structure

Tafenoquine Impurity 8

CAS: 189746-21-2
Formula: C₁₂H₁₁ClN₂O₄
MW: 282.68 g/mol

In stock

Reference Standard

Tafenoquine Impurity 9 chemical structure

Tafenoquine Impurity 9

CAS: 189746-15-4
Formula: C₁₉H₁₅F₃N₂O₅
MW: 408.3 g/mol

In stock

Reference Standard

Tafluprost chemical structure

CAS: 209860-87-7
Formula: C₂₅H₃₄F₂O₅
MW: 452.5 g/mol

VQ-034028

Reference Standard

Tafluprost Acid chemical structure

Tafluprost Acid

CAS: 209860-88-8
Formula: C₂₂H₂₈F₂O₅
MW: 410.5 g/mol

VQ-028351

Reference Standard

Tafluprost ethyl amide chemical structure

Tafluprost ethyl amide

CAS: 1185851-52-8
Formula: C₂₄H₃₃F₂NO₄
MW: 437.5 g/mol

VQ-034029

Reference Standard

Tafluprost Impurity 1 chemical structure

Tafluprost Impurity 1

CAS: 2512198-63-7
Formula: C₁₉H₂₄NO₂P
MW: 329.4 g/mol

VQ-042351

Reference Standard

Tafluprost Mono Fluoro Impurity chemical structure

Tafluprost Mono Fluoro Impurity

CAS: 2587078-46-2
Formula: C₂₅H₃₅FO₅
MW: 434.5 g/mol

VQ-042352

Reference Standard

Talampicillin chemical structure

CAS: 47747-56-8
Formula: C₂₄H₂₃N₃O₆S
MW: 481.5 g/mol

VQ-043792

Reference Standard

Talazoparib chemical structure

CAS: 1207456-01-6
Formula: C₁₉H₁₄F₂N₆O
MW: 380.4 g/mol

VQ-042353

Reference Standard

Talazoparib Tosylate chemical structure

Talazoparib Tosylate

CAS: 1373431-65-2
Formula: C₂₆H₂₂F₂N₆O₄S
MW: 552.6 g/mol

VQ-035315

Reference Standard

Tamatinib chemical structure

CAS: 841290-80-0
Formula: C₂₂H₂₃FN₆O₅
MW: 470.5 g/mol

VQ-025926

Reference Standard

Tamatinib D9

CAS: 1260832-48-1
Formula: C₂₂H₁₄D₉FN₆O₅
MW: 479.52 g/mol

VQ-048471

Reference Standard

Tamoxifen chemical structure

CAS: 10540-29-1
Formula: C₂₆H₂₉NO
MW: 371.5 g/mol

VQ-034030

Reference Standard

Tamoxifen citrate chemical structure

Tamoxifen citrate

CAS: 54965-24-1
Formula: C₃₂H₃₇NO₈
MW: 563.6 g/mol

VQ-028192

Reference Standard

Tamoxifen Citrate EP Impurity B chemical structure

Tamoxifen Citrate EP Impurity B

CAS: 748-97-0
Formula: C₂₆H₃₁NO₂
MW: 389.5 g/mol

VQ-028195

Reference Standard

Tamoxifen Citrate EP Impurity C chemical structure

Tamoxifen Citrate EP Impurity C

CAS: 19957-51-8
Formula: C₂₄H₂₅NO
MW: 343.5 g/mol

VQ-028196

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