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Impurities & Reference Standards

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

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Propranolol chemical structure

CAS: 525-66-6
Formula: C₁₆H₂₁NO₂
MW: 259.34 g/mol

VQ-007680

Reference Standard

Propranolol Chloro Impurity chemical structure

Propranolol Chloro Impurity

CAS: 47054-95-5
Formula: C₁₆H₂₀ClNO₂
MW: 293.79 g/mol

VQ-005650

Reference Standard

Propranolol Chloro impurity (R-Isomer) chemical structure

Propranolol Chloro impurity (R-Isomer)

CAS: 112805-69-3
Formula: C₁₃H₁₃ClO₂
MW: 236.69 g/mol

VQ-041739

Reference Standard

Propranolol EP Impurity B HCl chemical structure

Propranolol EP Impurity B HCl

CAS: 2172495-51-9
Formula: C₂₉H₃₄ClNO₄
MW: 496 g/mol

VQ-027669

Reference Standard

Propranolol Genotoxic Impurity RS-06 chemical structure

Propranolol Genotoxic Impurity RS-06

CAS: 23916-49-6
Formula: C₆H₁₀Cl₂O₂
MW: 185.05 g/mol

VQ-033378

Reference Standard

Propranolol glucuronide chemical structure

Propranolol glucuronide

CAS: 66322-66-5
Formula: C₂₂H₂₉NO₈
MW: 435.5 g/mol

VQ-041742

Reference Standard

Propranolol Hydrochloride chemical structure

Propranolol Hydrochloride

CAS: 318-98-9
Formula: C₁₆H₂₂ClNO₂
MW: 295.8 g/mol

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Reference Standard

Propranolol Impurity A chemical structure

Propranolol Impurity A

CAS: 36112-95-5
Formula: C₁₃H₁₄O₃
MW: 218.25 g/mol

In stock

Reference Standard

Propranolol Impurity B chemical structure

Propranolol Impurity B

CAS: 83314-78-7
Formula: C₂₉H₃₃NO₄
MW: 459.6 g/mol

VQ-005652

Reference Standard

Propranolol Impurity C chemical structure

Propranolol Impurity C

CAS: 17216-10-3
Formula: C₂₃H₂₀O₃
MW: 344.4 g/mol

VQ-005653

Reference Standard

Propranolol N-Acetyl Impurity chemical structure

Propranolol N-Acetyl Impurity

CAS: 2007-11-6
Formula: C₁₈H₂₃NO₃
MW: 301.4 g/mol

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Reference Standard

Propranolol N-Formyl Impurity chemical structure

Propranolol N-Formyl Impurity

CAS: 77252-87-0
Formula: C₁₇H₂₁NO₃
MW: 287.35 g/mol

In stock

Reference Standard

Propranolol-d7 chemical structure

CAS: 98897-23-5
Formula: C₁₆H₂₁NO₂
MW: 266.39 g/mol

VQ-041744

Reference Standard

Propyl 3-bromo-4-hydroxybenzoate chemical structure

Propyl 3-bromo-4-hydroxybenzoate

CAS: 37470-59-0
Formula: C₁₀H₁₁BrO₃
MW: 259.1 g/mol

VQ-040044

Reference Standard

Propyl Benzenesulfonate chemical structure

Propyl Benzenesulfonate

CAS: 80-42-2
Formula: C₉H₁₂O₃S
MW: 200.26 g/mol

VQ-039242

Reference Standard

Propyl Indanyl amine Impurity chemical structure

Propyl Indanyl amine Impurity

CAS: 1016719-48-4
Formula: C₁₂H₁₇N
MW: 175.27 g/mol

VQ-033469

Reference Standard

Propyl Valpronate chemical structure

Propyl Valpronate

CAS: 112229-60-4
Formula: C₁₁H₂₂O₂
MW: 186.29 g/mol

VQ-043896

Reference Standard

Propylene Glycol chemical structure

Propylene Glycol

CAS: 57-55-6
Formula: C₃H₈O₂
MW: 76.09 g/mol

In stock

Reference Standard

Propylidine Ropinirole Hydrochloride (E/Z-Mixture) chemical structure

Propylidine Ropinirole Hydrochloride (E/Z-Mixture)

CAS: 221264-43-3
Formula: C₁₉H₂₉ClN₂O
MW: 336.9 g/mol

VQ-041994

Reference Standard

Propylthiouracil-d5 chemical structure

Propylthiouracil-d5

CAS: 1189423-94-6
Formula: C₇H₁₀N₂OS
MW: 175.27 g/mol

VQ-041748

Reference Standard

Propyphenazone EP Impurity C chemical structure

Propyphenazone EP Impurity C

CAS: 2731375-50-9
Formula: C₁₇H₂₄N₂O
MW: 272.4 g/mol

VQ-041747

Reference Standard

Propyzamide chemical structure

CAS: 23950-58-5
Formula: C₁₂H₁₁Cl₂NO
MW: 256.12 g/mol

VQ-041706

Reference Standard

Prostaglandin A1 chemical structure

Prostaglandin A1

CAS: 14152-28-4
Formula: C₂₀H₃₂O₄
MW: 336.5 g/mol

VQ-021512

Reference Standard

Prostaglandin B1 chemical structure

Prostaglandin B1

CAS: 13345-51-2
Formula: C₂₀H₃₂O₄
MW: 336.5 g/mol

VQ-021513

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