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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CAS: 2459945-85-6
Formula: C₁₄H₂₅NO₁₀
MW: 367.35 g/mol

ZX-005430

Ticagrelor Sulfone

CAS: 274693-39-9
Formula: C₂₃H₂₈F₂N₆O₆S
MW: 554.6 g/mol

ZX-027252

Ticlopidine - Impurity H

CAS: 53885-39-5
Formula: C₁₄H₁₅Cl₂NS
MW: 300.2 g/mol

ZX-042992

Ticlopidine Hydrochloride - Impurity C (Hydrochloride Salt)

CAS: 22680-44-0
Formula: C₇H₉Cl₂N
MW: 178.06 g/mol

ZX-044575

Ticlopidine Impurity F

CAS: 62019-75-4
Formula: C₁₄H₁₄ClNS
MW: 263.8 g/mol

ZX-032660

Ticlopidine Pyridinium Bromide

CAS: 2418591-13-4
Formula: C₁₄H₁₃BrClNS
MW: 342.7 g/mol

ZX-028705

Tigecycline (open C-ring D-ring) Quinone

CAS: 1268494-46-7
Formula: C₂₆H₃₂N₄O₈
MW: 528.6 g/mol

ZX-027276

Timolol Impurity E

CAS: 1026075-53-5
Formula: C₁₇H₂₆N₄O₆S
MW: 414.5 g/mol

ZX-027287

Timonacic

CAS: 444-27-9
Formula: C₄H₇NO₂S
MW: 133.17 g/mol

ZX-031237

Tiocloxacillin

CAS: 5053-36-1
Formula: C₁₉H₁₈ClN₃O₄S₂
MW: 451.9 g/mol

ZX-024043

Tiopronin Disulfide

CAS: 21269-37-4
Formula: C₁₀H₁₆N₂O₆S₂
MW: 324.4 g/mol

ZX-027292

Tiotixene impurity- 2

CAS: 3285-51-6
Formula: C₉H₁₀BrNO₄S
MW: 308.15 g/mol

ZX-005431

Tiotixene impurity- 4

CAS: 3285-53-8
Formula: C₁₅H₁₃NO₃S₂
MW: 319.4 g/mol

ZX-005432

Tiotixene impurity-1

CAS: 3285-31-2
Formula: C₇H₄BrClO₄S
MW: 299.53 g/mol

ZX-005433

Tirofiban Impurity 1

CAS: 2386-54-1
Formula: C₄H₉NaO₃S
MW: 160.17 g/mol

ZX-005434

Tirofiban Impurity B

CAS: 149463-65-0
Formula: C₉H₁₃Cl₂N
MW: 206.11 g/mol

ZX-036304

Tivozanib Impurity A

CAS: 3051498-24-6
Formula: C₂₈H₂₄ClN₃O₅
MW: 518 g/mol

ZX-005435

Tivozanib Impurity C

CAS: 3051498-20-2
Formula: C₃₅H₂₈Cl₂N₄O₇
MW: 687.5 g/mol

ZX-005436

Tivozanib Impurity D

CAS: 1796383-31-7
Formula: C₉H₁₀N₄O₃
MW: 222.2 g/mol

ZX-005437

Tizanidine Guanidine Impurity

CAS: 125292-37-7
Formula: C₇H₆ClN₅S
MW: 227.68 g/mol

ZX-027302

Tizanidine Impurity D (Free Base)

CAS: 560120-68-5
Formula: C₈H₇ClN₄S₂
MW: 258.8 g/mol

ZX-005438

Tizanidine Impurity D (Hydriodide Salt)

CAS: 51323-03-6
Formula: C₈H₈ClIN₄S₂
MW: 386.7 g/mol

ZX-005439

Tizanidine Impurity F

CAS: 1147548-85-3
Formula: C₁₆H₁₁Cl₂N₉S₂
MW: 464.4 g/mol

ZX-005440

Tofacitinib Amine Impurity

CAS: 477600-74-1
Formula: C₁₃H₁₉N₅
MW: 245.32 g/mol

ZX-005441

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