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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

R-Nimodipine chemical structure

CAS: 77940-92-2
Formula: C₂₁H₂₆N₂O₇
MW: 418.4 g/mol

VQ-032163

Reference Standard

R(-)-Hydroxy Chloroquine chemical structure

R(-)-Hydroxy Chloroquine

CAS: 137433-23-9
Formula: C₁₈H₂₆ClN₃O
MW: 335.9 g/mol

VQ-031106

Reference Standard

Rabeprazole N-Oxide chemical structure

Rabeprazole N-Oxide

CAS: 924663-38-7
Formula: C₁₈H₂₁N₃O₄S
MW: 375.4 g/mol

In stock

Reference Standard

Rabeprazole N-Oxide Sodium Salt

Rabeprazole N-Oxide Sodium Salt

CAS: 1022982-82-6
Formula: C₁₈H₂₁N₃O₄S.Na
MW: 398.44 g/mol

VQ-007242

Reference Standard

Rabeprazole Sulfide N-Oxide chemical structure

Rabeprazole Sulfide N-Oxide

CAS: 924663-40-1
Formula: C₁₈H₂₁N₃O₃S
MW: 359.4 g/mol

VQ-027714

Reference Standard

rac 2-Desaminomethyl-2-chloromethyl Milnacipran chemical structure

rac 2-Desaminomethyl-2-chloromethyl Milnacipran

CAS: 1353644-50-4
Formula: C₁₅H₂₀ClNO
MW: 265.78 g/mol

VQ-031911

Reference Standard

rac 3-Hydroxybutyric Acid Sodium Salt chemical structure

rac 3-Hydroxybutyric Acid Sodium Salt

CAS: 150-83-4
Formula: C₄H₇NaO₃
MW: 126.09 g/mol

VQ-049465

Reference Standard

rac 3,4-Dihydroxyphenylethylene Glycol chemical structure

rac 3,4-Dihydroxyphenylethylene Glycol

CAS: 28822-73-3
Formula: C₈H₁₀O₄
MW: 170.16 g/mol

VQ-045212

Reference Standard

rac 4-Sulfoxy propranolol chemical structure

rac 4-Sulfoxy propranolol

CAS: 87075-33-0
Formula: C₁₆H₂₁NO₆S
MW: 355.4 g/mol

VQ-033379

Reference Standard

rac 5-Carboxy Desisopropyl Tolterodine chemical structure

rac 5-Carboxy Desisopropyl Tolterodine

CAS: 214601-13-5
Formula: C₁₉H₂₃NO₃
MW: 313.4 g/mol

VQ-043335

Reference Standard

Rac 7-Hydroxy Propranolol chemical structure

Rac 7-Hydroxy Propranolol

CAS: 81907-81-5
Formula: C₁₆H₂₁NO₃
MW: 275.34 g/mol

VQ-041743

Reference Standard

rac 8-Hydroxy Efavirenz chemical structure

rac 8-Hydroxy Efavirenz

CAS: 205754-32-1
Formula: C₁₄H₉ClF₃NO₃
MW: 331.67 g/mol

VQ-036895

Reference Standard

rac All-trans 4-Hydroxy Retinoic Acid chemical structure

rac All-trans 4-Hydroxy Retinoic Acid

CAS: 66592-72-1
Formula: C₂₀H₂₈O₃
MW: 316.4 g/mol

VQ-022878

Reference Standard

rac Dehydro-O-desmethyl Venlafaxine chemical structure

rac Dehydro-O-desmethyl Venlafaxine

CAS: 1346600-38-1
Formula: C₁₆H₂₃NO
MW: 245.36 g/mol

VQ-028658

Reference Standard

rac Demethyl Citalopram chemical structure

rac Demethyl Citalopram

CAS: 62498-67-3
Formula: C₁₉H₁₉FN₂O
MW: 310.4 g/mol

VQ-022200

Reference Standard

rac Deoxy-O-desmethyl Venlafaxine chemical structure

rac Deoxy-O-desmethyl Venlafaxine

CAS: 1346605-18-2
Formula: C₁₆H₂₅NO
MW: 247.38 g/mol

VQ-034578

Reference Standard

rac Desmethyl Citalopram Hydrochloride chemical structure

rac Desmethyl Citalopram Hydrochloride

CAS: 97743-99-2
Formula: C₁₉H₂₀ClFN₂O
MW: 346.8 g/mol

VQ-024993

Reference Standard

rac Didemethyl Citalopram chemical structure

rac Didemethyl Citalopram

CAS: 62498-69-5
Formula: C₁₈H₁₇FN₂O
MW: 296.3 g/mol

VQ-029825

Reference Standard

rac Erythro-Dihydro Bupropion Hydrochloride chemical structure

rac Erythro-Dihydro Bupropion Hydrochloride

CAS: 80478-43-9
Formula: C₁₃H₂₁Cl₂NO
MW: 278.21 g/mol

VQ-024691

Reference Standard

Rac Finerenone desethyl impurity chemical structure

Rac Finerenone desethyl impurity

CAS: 2087452-81-9
Formula: C₁₉H₁₈N₄O₃
MW: 350.4 g/mol

VQ-037275

Reference Standard

Rac Hydroxy Tizanidine Hydrochloride chemical structure

Rac Hydroxy Tizanidine Hydrochloride

CAS: 1794829-08-5
Formula: C₉H₉Cl₂N₅OS
MW: 306.17 g/mol

VQ-044090

Reference Standard

rac Ketoprofen Acyl-Beta-D-glucuronide chemical structure

rac Ketoprofen Acyl-Beta-D-glucuronide

CAS: 76690-94-3
Formula: C₂₂H₂₂O₉
MW: 430.4 g/mol

VQ-026308

Reference Standard

rac Metanephrine Hydrochloride Salt chemical structure

rac Metanephrine Hydrochloride Salt

CAS: 881-95-8
Formula: C₁₀H₁₆ClNO₃
MW: 233.69 g/mol

VQ-029049

Reference Standard

Rac N-Demethyl Dapoxetine chemical structure

Rac N-Demethyl Dapoxetine

CAS: 119357-18-5
Formula: C₂₀H₂₁NO
MW: 291.4 g/mol

VQ-025183

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