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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

Trelagliptin Impurity 4 chemical structure

Trelagliptin Impurity 4

CAS: 1917324-14-1
Formula: C₂₃H₃₁N₇O₂
MW: 437.5 g/mol

VQ-006067

Reference Standard

Trelagliptin Impurity 5 chemical structure

Trelagliptin Impurity 5

CAS: 2087874-92-6
Formula: C₂₂H₂₄FN₅O₅
MW: 457.5 g/mol

In stock

Reference Standard

Trelagliptin Impurity 7 chemical structure

Trelagliptin Impurity 7

CAS: 1812193-01-3
Formula: C₁₈H₂₀FN₅O₂
MW: 357.4 g/mol

In stock

Reference Standard

Trelagliptin Succinate (S-Isomer)

Trelagliptin Succinate (S-Isomer)

CAS: 2721223-27-2
Formula: C₁₈H₂₀FN₅O₂.C₄H₆O₄
MW: 475.47 g/mol

In stock

Reference Standard

Treprostinil Descarboxy chemical structure

Treprostinil Descarboxy

CAS: 101692-01-7
Formula: C₂₂H₃₄O₃
MW: 346.5 g/mol

VQ-028489

Reference Standard

Treprostinil Ethyl Ester chemical structure

Treprostinil Ethyl Ester

CAS: 1355990-07-6
Formula: C₂₅H₃₈O₅
MW: 418.6 g/mol

VQ-034415

Reference Standard

Treprostinil Methyl Ester chemical structure

Treprostinil Methyl Ester

CAS: 81845-98-9
Formula: C₂₄H₃₆O₅
MW: 404.5 g/mol

VQ-034417

Reference Standard

Tretinoin BHT Adduct Impurity

Tretinoin BHT Adduct Impurity

Formula: C₃₅H₅₀O₂
MW: 502.77 g/mol

VQ-006071

Reference Standard

Tretinoin Impurity 2 chemical structure

Tretinoin Impurity 2

CAS: 65812-13-7
Formula: C₁₀H₁₆O₃
MW: 184.23 g/mol

VQ-048716

Reference Standard

Tri Boc Palbociclib 5A Impurity

Tri Boc Palbociclib 5A Impurity

Formula: C₂₂H₃₆N₄O₆
MW: 452.54 g/mol

In stock

Reference Standard

Tri-POC Tenofovir Dimer chemical structure

Tri-POC Tenofovir Dimer

CAS: 1093279-77-6
Formula: C₃₄H₅₂N₁₀O₁₇P₂
MW: 934.8 g/mol

VQ-034106

Reference Standard

Tri-Salicylic Acid chemical structure

Tri-Salicylic Acid

CAS: 85531-17-5
Formula: C₂₁H₁₄O₇
MW: 378.3 g/mol

VQ-029004

Reference Standard

Triacetyl Ganciclovir chemical structure

Triacetyl Ganciclovir

CAS: 86357-14-4
Formula: C₁₅H₁₉N₅O₇
MW: 381.34 g/mol

VQ-025958

Reference Standard

Triacontyl Acetate chemical structure

Triacontyl Acetate

CAS: 41755-58-2
Formula: C₃₂H₆₄O₂
MW: 480.8 g/mol

VQ-040318

Reference Standard

Triamcinolone C17 Glyoxilic PG Ester chemical structure

Triamcinolone C17 Glyoxilic PG Ester

CAS: 2196227-64-0
Formula: C₂₇H₃₅FO₈
MW: 506.6 g/mol

VQ-034420

Reference Standard

Triazole lactic acid chemical structure

Triazole lactic acid

CAS: 1450828-63-3
Formula: C₅H₇N₃O₃
MW: 157.13 g/mol

VQ-035260

Reference Standard

Triazole methoxybenzoic acid impurity /DATR1A chemical structure

Triazole methoxybenzoic acid impurity /DATR1A

CAS: 1293284-55-5
Formula: C₁₀H₉N₃O₃
MW: 219.2 g/mol

VQ-047942

Reference Standard

Triazolomethylindole-3-acetic Acid chemical structure

Triazolomethylindole-3-acetic Acid

CAS: 177270-91-6
Formula: C₁₃H₁₂N₄O₂
MW: 256.26 g/mol

VQ-033623

Reference Standard

Tribulosin chemical structure

CAS: 79974-46-2
Formula: C₅₅H₉₀O₂₅
MW: 1151.3 g/mol

VQ-040519

Reference Standard

Tributyl O-Acetylcitrate chemical structure

Tributyl O-Acetylcitrate

CAS: 77-90-7
Formula: C₂₀H₃₄O₈
MW: 402.5 g/mol

VQ-023936

Reference Standard

Tricagrelor Impurity 1

Tricagrelor Impurity 1

CAS: 376608-68-3
Formula: C₂₀H₂₆F₂O₂
MW: 336.42 g/mol

VQ-042541

Reference Standard

Trichloromethylpyrimidine chemical structure

Trichloromethylpyrimidine

CAS: 54198-86-6
Formula: C₅H₃Cl₃N₂
MW: 197.45 g/mol

VQ-047970

Reference Standard

Triclabendazole Sulfone chemical structure

Triclabendazole Sulfone

CAS: 106791-37-1
Formula: C₁₄H₉Cl₃N₂O₃S
MW: 391.7 g/mol

VQ-028513

Reference Standard

Tricyclohexyltin Chloride chemical structure

Tricyclohexyltin Chloride

CAS: 3091-32-5
Formula: C₁₈H₃₃ClSn
MW: 403.6 g/mol

VQ-040218

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