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

Salbutamol Impurity 4 chemical structure

Salbutamol Impurity 4

CAS: 934842-69-0
Formula: C₃₂H₄₃NO₄
MW: 505.7 g/mol

VQ-045047

Reference Standard

Salicylic Acid 2-O-β-D-glucoside chemical structure

Salicylic Acid 2-O-β-D-glucoside

CAS: 10366-91-3
Formula: C₁₃H₁₆O₈
MW: 300.26 g/mol

VQ-043717

Reference Standard

Salicylic Acid Acyl-Beta-D-glucuronide chemical structure

Salicylic Acid Acyl-Beta-D-glucuronide

CAS: 29315-53-5
Formula: C₁₃H₁₄O₉
MW: 314.24 g/mol

VQ-042085

Reference Standard

Salicylic Acid-beta-D-O-Glucuronide chemical structure

Salicylic Acid-beta-D-O-Glucuronide

CAS: 7695-70-7
Formula: C₁₃H₁₄O₉
MW: 314.24 g/mol

VQ-042084

Reference Standard

Salidroside chemical structure

CAS: 10338-51-9
Formula: C₁₄H₂₀O₇
MW: 300.3 g/mol

VQ-033749

Reference Standard

Samidorphan isoquinoline dioxolane chemical structure

Samidorphan isoquinoline dioxolane

CAS: 361525-83-9
Formula: C₂₃H₂₈N₂O₅
MW: 412.5 g/mol

VQ-035415

Reference Standard

Samidorphan N-Oxide Impurity chemical structure

Samidorphan N-Oxide Impurity

CAS: 2098343-52-1
Formula: C₂₁H₂₆N₂O₅
MW: 386.4 g/mol

VQ-042091

Reference Standard

Sapropterin Impurity 25 chemical structure

Sapropterin Impurity 25

CAS: 62128-61-4
Formula: C₄H₅N₅O₂
MW: 155.12 g/mol

VQ-033762

Reference Standard

Scopolamine N-Oxide chemical structure

Scopolamine N-Oxide

CAS: 97-75-6
Formula: C₁₇H₂₁NO₅
MW: 319.4 g/mol

VQ-027994

Reference Standard

Scopolamine-N-Oxide-Hydrobromide chemical structure

Scopolamine-N-Oxide-Hydrobromide

CAS: 6106-81-6
Formula: C₁₇H₂₂BrNO₅
MW: 400.3 g/mol

VQ-043193

Reference Standard

Scopolamine-β-D-Glucuronide chemical structure

Scopolamine-β-D-Glucuronide

CAS: 17660-02-5
Formula: C₂₃H₂₉NO₁₀
MW: 479.5 g/mol

VQ-031114

Reference Standard

Secorapamycin B chemical structure

Secorapamycin B

CAS: 185107-79-3
Formula: C₅₁H₈₁NO₁₄
MW: 932.2 g/mol

VQ-033866

Reference Standard

Seladelpar sulfoxide chemical structure

Seladelpar sulfoxide

CAS: 851529-42-5
Formula: C₂₁H₂₃F₃O₆S
MW: 460.5 g/mol

VQ-033796

Reference Standard

Selexipag Metabolite N-Oxide chemical structure

Selexipag Metabolite N-Oxide

CAS: 2732400-56-3
Formula: C₂₅H₂₉N₃O₄
MW: 435.5 g/mol

In stock

Reference Standard

Senecionine N-Oxide chemical structure

Senecionine N-Oxide

CAS: 13268-67-2
Formula: C₁₈H₂₅NO₆
MW: 351.4 g/mol

VQ-033809

Reference Standard

Seneciphylline N-Oxide chemical structure

Seneciphylline N-Oxide

CAS: 38710-26-8
Formula: C₁₈H₂₃NO₆
MW: 349.4 g/mol

VQ-033811

Reference Standard

Senecivernine N-Oxide chemical structure

Senecivernine N-Oxide

CAS: 101687-28-9
Formula: C₁₈H₂₅NO₆
MW: 351.4 g/mol

VQ-033813

Reference Standard

Sertraline Carbamoyl Glucuronide chemical structure

Sertraline Carbamoyl Glucuronide

CAS: 119733-44-7
Formula: C₂₄H₂₅Cl₂NO₈
MW: 526.4 g/mol

VQ-033831

Reference Standard

Sertraline N-Desmethyl Analog chemical structure

Sertraline N-Desmethyl Analog

CAS: 91797-57-8
Formula: C₁₆H₁₆Cl₃N
MW: 328.7 g/mol

VQ-043291

Reference Standard

Silodosin Carboxylic Acid Impurity 2 chemical structure

Silodosin Carboxylic Acid Impurity 2

CAS: 1431373-77-1
Formula: C₂₅H₃₁F₃N₂O₅
MW: 496.5 g/mol

VQ-042173

Reference Standard

Silodosin Glucuronide chemical structure

Silodosin Glucuronide

CAS: 879396-70-0
Formula: C₃₁H₄₀F₃N₃O₁₀
MW: 671.7 g/mol

VQ-033844

Reference Standard

Silodosin N-Oxide chemical structure

Silodosin N-Oxide

CAS: 2361272-05-9
Formula: C₂₅H₃₂F₃N₃O₅
MW: 511.5 g/mol

VQ-042168

Reference Standard

Simvastatin Beta-Hydroxy Impurity chemical structure

Simvastatin Beta-Hydroxy Impurity

CAS: 126313-98-2
Formula: C₂₅H₃₈O₆
MW: 434.6 g/mol

VQ-042181

Reference Standard

Simvastatin Hydroxy Acid Ammonium chemical structure

Simvastatin Hydroxy Acid Ammonium

CAS: 139893-43-9
Formula: C₂₅H₄₃NO₆
MW: 453.6 g/mol

VQ-028039

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