Impurity Reference Standards

API Impurities

Process impurities, isomers, degradants and related compounds for thousands of APIs, characterised for method development, validation and QC release.

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trans,trans-2,4-Decadienal

CAS: 25152-84-5
Formula: C₁₀H₁₆O
MW: 152.23 g/mol

ZX-044996

trans,trans-2,4-Heptadienal

CAS: 4313-03-5
Formula: C₇H₁₀O
MW: 110.15 g/mol

ZX-044132

trans,trans-Muconic Acid

CAS: 3588-17-8
Formula: C₆H₆O₄
MW: 142.11 g/mol

ZX-034048

Travoprost 15-epi Diastereomer

CAS: 1420791-14-5
Formula: C₂₆H₃₅F₃O₆
MW: 500.5 g/mol

ZX-022946

Travoprost 5,6-Trans Isomer

CAS: 1563176-59-9
Formula: C₂₆H₃₅F₃O₆
MW: 500.5 g/mol

ZX-022944

Travoprost Acid

CAS: 54276-17-4
Formula: C₂₃H₂₉F₃O₆
MW: 458.5 g/mol

ZX-022945

Trazodone Hydrochloride - Impurity F (Freebase)

CAS: 39577-43-0
Formula: C₁₃H₁₈Cl₂N₂
MW: 273.2 g/mol

ZX-044118

Trelagliptin (S-Isomer)

CAS: 2206135-35-3
Formula: C₁₈H₂₀FN₅O₂
MW: 357.4 g/mol

ZX-005461

Trelagliptin Impurity 18

CAS: 1938080-42-2
Formula: C₁₃H₁₀FN₃O₃
MW: 275.23 g/mol

ZX-005462

Trelagliptin Impurity 3

CAS: 1938080-44-4
Formula: C₁₈H₂₂FN₅O₃
MW: 375.4 g/mol

ZX-005463

Trelagliptin Impurity 4

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

ZX-005464

Trelagliptin Impurity 5

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

ZX-005465

Trelagliptin Impurity 7

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

ZX-005466

Treprostinil Descarboxy

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

ZX-027379

Tri-Salicylic Acid

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

ZX-027874

Triacetyl Ganciclovir

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

ZX-024910

Triazole lactic acid

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

ZX-032922

Triazolomethylindole-3-acetic Acid

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

ZX-032268

Tribulosin

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

ZX-035363

Tributyl O-Acetylcitrate

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

ZX-022951

Trichloroacetic anhydride

CAS: 4124-31-6
Formula: C₄Cl₆O₃
MW: 308.7 g/mol

ZX-043363

Triclabendazole Sulfone

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

ZX-027403

Tricyclohexyltin Chloride

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

ZX-035145

Tridocosahexaenoin

CAS: 124596-98-1
Formula: C₆₉H₉₈O₆
MW: 1023.5 g/mol

ZX-031131

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