Skip to content

Product division

Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Eliglustat-N-Oxide chemical structure

Eliglustat-N-Oxide

CAS: 2137145-62-9
Formula: C₂₃H₃₆N₂O₅
MW: 420.5 g/mol

VQ-030429

Reference Standard

Elinzanetant chemical structure

CAS: 929046-33-3
Formula: C₃₃H₃₅F₇N₄O₃
MW: 668.6 g/mol

VQ-030434

Reference Standard

Elinzanetant Chloro Impurity chemical structure

Elinzanetant Chloro Impurity

CAS: 825643-73-0
Formula: C₂₅H₂₀ClF₇N₂O
MW: 532.9 g/mol

VQ-030437

Reference Standard

Elinzanetant Impurity 27

Elinzanetant Impurity 27

CAS: 929048-27-1
Formula: C₃₉H₄₉F₇N₄O₃Si
MW: 782.92 g/mol

VQ-036952

Reference Standard

Elinzanetant Impurity 5

Elinzanetant Impurity 5

CAS: 929046-35-5
Formula: C₃₃H₃₅F₇N₄O₃
MW: 668.66 g/mol

VQ-036946

Reference Standard

Elinzanetant Impurity 6

Elinzanetant Impurity 6

CAS: 929047-01-8
Formula: C₃₃H₃₅F₇N₄O₃
MW: 668.66 g/mol

VQ-036947

Reference Standard

Elinzanetant Impurity-4 chemical structure

Elinzanetant Impurity-4

CAS: 929047-30-3
Formula: C₁₄H₃₀N₂O₂Si
MW: 286.49 g/mol

VQ-048170

Reference Standard

Elobixibat chemical structure

CAS: 439087-18-0
Formula: C₃₆H₄₅N₃O₇S₂
MW: 695.9 g/mol

VQ-030441

Reference Standard

Elobixibat hydrate chemical structure

Elobixibat hydrate

CAS: 1633824-78-8
Formula: C₃₆H₄₇N₃O₈S₂
MW: 713.9 g/mol

VQ-030442

Reference Standard

Elobixibat Methyl Ester Impurity chemical structure

Elobixibat Methyl Ester Impurity

CAS: 439088-19-4
Formula: C₃₅H₄₄N₂O₆S₂
MW: 652.9 g/mol

VQ-022503

Reference Standard

Elobixibat S-Isomer chemical structure

Elobixibat S-Isomer

CAS: 439087-68-0
Formula: C₃₆H₄₅N₃O₇S₂
MW: 695.9 g/mol

VQ-021217

Reference Standard

Elobixibat Tetra Butyl Impurity chemical structure

Elobixibat Tetra Butyl Impurity

CAS: 439088-54-7
Formula: C₄₀H₅₃N₃O₇S₂
MW: 752 g/mol

VQ-022501

Reference Standard

Elsulfavirine chemical structure

CAS: 868046-19-9
Formula: C₂₄H₁₇BrCl₂FN₃O₅S
MW: 629.3 g/mol

VQ-036956

Reference Standard

Eltenac chemical structure

CAS: 72895-88-6
Formula: C₁₂H₉Cl₂NO₂S
MW: 302.2 g/mol

VQ-040653

Reference Standard

Eltrombopag chemical structure

CAS: 496775-61-2
Formula: C₂₅H₂₂N₄O₄
MW: 442.5 g/mol

In stock

Reference Standard

Eltrombopag (E)-Isomer chemical structure

Eltrombopag (E)-Isomer

CAS: 1807882-48-9
Formula: C₂₅H₂₂N₄O₄
MW: 442.5 g/mol

VQ-048185

Reference Standard

Eltrombopag Amide chemical structure

Eltrombopag Amide

CAS: 1246929-02-1
Formula: C₂₅H₂₃N₅O₃
MW: 441.5 g/mol

VQ-025514

Reference Standard

Eltrombopag Chloro Impurity chemical structure

Eltrombopag Chloro Impurity

CAS: 376592-56-2
Formula: C₂₅H₂₁ClN₄O₄
MW: 476.9 g/mol

VQ-025510

Reference Standard

Eltrombopag Choline chemical structure

Eltrombopag Choline

CAS: 2336813-25-1
Formula: C₃₀H₃₅N₅O₅
MW: 545.6 g/mol

VQ-048179

Reference Standard

Eltrombopag Ethyl Ester chemical structure

Eltrombopag Ethyl Ester

CAS: 3077185-45-3
Formula: C₂₇H₂₆N₄O₄
MW: 470.5 g/mol

VQ-030444

Reference Standard

Eltrombopag impurity 32, E-4842 chemical structure

Eltrombopag impurity 32, E-4842

CAS: 1782285-05-5
Formula: C₁₂H₁₄N₂O
MW: 202.25 g/mol

VQ-048183

Reference Standard

Eltrombopag Methyl Ester chemical structure

Eltrombopag Methyl Ester

CAS: 1246929-01-0
Formula: C₂₆H₂₄N₄O₄
MW: 456.5 g/mol

VQ-022505

Reference Standard

Eltrombopag N-Oxide Impurity chemical structure

Eltrombopag N-Oxide Impurity

CAS: 2734533-17-4
Formula: C₂₅H₂₂N₄O₅
MW: 458.5 g/mol

VQ-030443

Reference Standard

Eltrombopag Olamine Lactose Adduct Impurity chemical structure

Eltrombopag Olamine Lactose Adduct Impurity

CAS: 193979-22-5
Formula: C₁₄H₂₇NO₁₁
MW: 385.36 g/mol

VQ-048173

Need a price, a spec or a custom compound?

Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.

Request a quote Contact sales