Skip to content

Impurities & Reference Standards

Metabolites & Degradation Products

Source 200 metabolites & degradation products for research, QC and production, documented with COA and SDS.

3,922products

158in stock

COA + SDSwith every lot

Reference Standard

Desmethyl Carvedilol chemical structure

Desmethyl Carvedilol

CAS: 72956-44-6
Formula: C₂₃H₂₄N₂O₄
MW: 392.4 g/mol

VQ-022044

Reference Standard

Desmethyl Ceftaroline Fosamil chemical structure

Desmethyl Ceftaroline Fosamil

CAS: 1286218-72-1
Formula: C₂₁H₁₉N₈O₈PS₄
MW: 670.7 g/mol

VQ-022104

Reference Standard

Desmethyl Celecoxib chemical structure

Desmethyl Celecoxib

CAS: 170569-87-6
Formula: C₁₆H₁₂F₃N₃O₂S
MW: 367.3 g/mol

VQ-024073

Reference Standard

Desmethyl Chlorpheniramine Maleate Salt chemical structure

Desmethyl Chlorpheniramine Maleate Salt

CAS: 22630-25-7
Formula: C₁₉H₂₁ClN₂O₄
MW: 376.8 g/mol

VQ-022150

Reference Standard

Desmethyl Citalopram Hydrobromide chemical structure

Desmethyl Citalopram Hydrobromide

CAS: 1188264-72-3
Formula: C₁₉H₂₀BrFN₂O
MW: 391.3 g/mol

VQ-024994

Reference Standard

Desmethyl Clobetasone 17-Propionate

Desmethyl Clobetasone 17-Propionate

CAS: 75584-93-9
Formula: C₂₄H₂₈ClFO₅
MW: 450.93 g/mol

VQ-036382

Reference Standard

Desmethyl Dabrafenib chemical structure

Desmethyl Dabrafenib

CAS: 1195765-47-9
Formula: C₂₂H₁₈F₃N₅O₂S₂
MW: 505.5 g/mol

VQ-022296

Reference Standard

Desmethyl Erlotinib chemical structure

Desmethyl Erlotinib

CAS: 183321-86-0
Formula: C₂₁H₂₁N₃O₄
MW: 379.4 g/mol

In stock

Reference Standard

Desmethyl Erlotinib Hydrochloride chemical structure

Desmethyl Erlotinib Hydrochloride

CAS: 183320-51-6
Formula: C₂₁H₂₂ClN₃O₄
MW: 415.9 g/mol

VQ-007144

Reference Standard

Desmethyl Etoricoxib chemical structure

Desmethyl Etoricoxib

CAS: 202409-31-2
Formula: C₁₇H₁₃ClN₂O₂S
MW: 344.8 g/mol

VQ-022608

Reference Standard

Desmethyl Fluorometholone chemical structure

Desmethyl Fluorometholone

CAS: 426-20-0
Formula: C₂₁H₂₇FO₄
MW: 362.4 g/mol

VQ-025842

Reference Standard

Desmethyl Idelalisib chemical structure

Desmethyl Idelalisib

CAS: 870281-17-7
Formula: C₂₁H₁₆FN₇O
MW: 401.4 g/mol

VQ-048637

Reference Standard

Desmethyl Imazamox chemical structure

Desmethyl Imazamox

CAS: 81335-78-6
Formula: C₁₄H₁₇N₃O₄
MW: 291.3 g/mol

VQ-044030

Reference Standard

Desmethyl Ixabepilone chemical structure

Desmethyl Ixabepilone

CAS: 219989-85-2
Formula: C₂₆H₄₀N₂O₅S
MW: 492.7 g/mol

VQ-031355

Reference Standard

Desmethyl Micafungin (Sodium salt) chemical structure

Desmethyl Micafungin (Sodium salt)

CAS: 1392514-03-2
Formula: C₅₅H₆₈N₉NaO₂₃S
MW: 1278.2 g/mol

VQ-026679

Reference Standard

Desmethyl Mirtazapine Hydrochloride chemical structure

Desmethyl Mirtazapine Hydrochloride

CAS: 1188265-41-9
Formula: C₁₆H₁₈ClN₃
MW: 287.79 g/mol

VQ-026733

Reference Standard

Desmethyl Nintedanib chemical structure

Desmethyl Nintedanib

CAS: 894783-61-0
Formula: C₃₀H₃₁N₅O₄
MW: 525.6 g/mol

VQ-023265

Reference Standard

Desmethyl Nizatidine chemical structure

Desmethyl Nizatidine

CAS: 82586-78-5
Formula: C₁₁H₁₉N₅O₂S₂
MW: 317.4 g/mol

VQ-026941

Reference Standard

Desmethyl Nortriptyline chemical structure

Desmethyl Nortriptyline

CAS: 4444-42-2
Formula: C₁₈H₁₉N
MW: 249.3 g/mol

VQ-038698

Reference Standard

Desmethyl Pimecrolimus chemical structure

Desmethyl Pimecrolimus

CAS: 1025113-89-6
Formula: C₄₂H₆₆ClNO₁₁
MW: 796.4 g/mol

VQ-027499

Reference Standard

Desmethyl Promazine chemical structure

Desmethyl Promazine

CAS: 2095-20-7
Formula: C₁₆H₁₈N₂S
MW: 270.4 g/mol

VQ-029754

Reference Standard

Desmethyl Prucalopride chemical structure

Desmethyl Prucalopride

CAS: 1599434-55-5
Formula: C₁₇H₂₄ClN₃O₃
MW: 353.8 g/mol

In stock

Reference Standard

Desmethyl Ranitidine chemical structure

Desmethyl Ranitidine

CAS: 66357-25-3
Formula: C₁₂H₂₀N₄O₃S
MW: 300.38 g/mol

VQ-041836

Reference Standard

Desmethyl Ranolazine chemical structure

Desmethyl Ranolazine

CAS: 172430-45-4
Formula: C₂₃H₃₁N₃O₄
MW: 413.5 g/mol

VQ-027758

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