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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

Propafenone chemical structure

CAS: 54063-53-5
Formula: C₂₁H₂₇NO₃
MW: 341.4 g/mol

VQ-027654

Reference Standard

Propafenone EP Impurity A chemical structure

Propafenone EP Impurity A

CAS: 3516-95-8
Formula: C₁₅H₁₄O₂
MW: 226.27 g/mol

VQ-023578

Reference Standard

Propafenone EP Impurity B chemical structure

Propafenone EP Impurity B

CAS: 88308-22-9
Formula: C₂₁H₂₅NO₃
MW: 339.4 g/mol

VQ-028844

Reference Standard

Propafenone EP Impurity C chemical structure

Propafenone EP Impurity C

CAS: 22525-95-7
Formula: C₁₈H₁₈O₃
MW: 282.3 g/mol

VQ-023574

Reference Standard

Propafenone EP Impurity D chemical structure

Propafenone EP Impurity D

CAS: 91401-73-9
Formula: C₁₈H₂₀O₄
MW: 300.3 g/mol

VQ-023575

Reference Standard

Propafenone EP Impurity E chemical structure

Propafenone EP Impurity E

CAS: 165279-79-8
Formula: C₁₈H₁₉ClO₃
MW: 318.8 g/mol

VQ-023577

Reference Standard

Propafenone EP Impurity F chemical structure

Propafenone EP Impurity F

CAS: 1329643-40-4
Formula: C₃₃H₃₂O₅
MW: 508.6 g/mol

VQ-028845

Reference Standard

Propafenone EP Impurity G chemical structure

Propafenone EP Impurity G

CAS: 1346603-80-2
Formula: C₃₉H₄₅NO₆
MW: 623.8 g/mol

VQ-023576

Reference Standard

Propafenone EP Impurity H chemical structure

Propafenone EP Impurity H

CAS: 487-26-3
Formula: C₁₅H₁₂O₂
MW: 224.25 g/mol

VQ-027651

Reference Standard

Propafenone EP Impurity H chemical structure

Propafenone EP Impurity H

CAS: 27439-12-9
Formula: C₁₅H₁₂O₂
MW: 224.25 g/mol

VQ-041710

Reference Standard

Propafenone Hydrochloride chemical structure

Propafenone Hydrochloride

CAS: 34183-22-7
Formula: C₂₁H₂₈ClNO₃
MW: 377.9 g/mol

VQ-033356

Reference Standard

Propafenone USP Related Compound A chemical structure

Propafenone USP Related Compound A

CAS: 2775292-19-6
Formula: C₂₂H₂₇NO₄
MW: 369.5 g/mol

VQ-034888

Reference Standard

Propafenone-d5 Hydrochloride chemical structure

Propafenone-d5 Hydrochloride

CAS: 1398066-02-8
Formula: C₂₁H₂₈ClNO₃
MW: 382.9 g/mol

VQ-041714

Reference Standard

Propafenone-D7 Hydrochloride chemical structure

Propafenone-D7 Hydrochloride

CAS: 1219799-06-0
Formula: C₂₁H₂₈ClNO₃
MW: 384.9 g/mol

VQ-041716

Reference Standard

Propamidine Isethionate chemical structure

Propamidine Isethionate

CAS: 140-63-6
Formula: C₂₁H₃₂N₄O₁₀S₂
MW: 564.6 g/mol

VQ-033357

Reference Standard

Propamocarb chemical structure

CAS: 24579-73-5
Formula: C₉H₂₀N₂O₂
MW: 188.27 g/mol

VQ-040868

Reference Standard

Propan-2-imine chemical structure

CAS: 38697-07-3
Formula: C₃H₇N
MW: 57.09 g/mol

VQ-048487

Reference Standard

Propan-2-yl 4-amino-2-chlorobenzoate chemical structure

Propan-2-yl 4-amino-2-chlorobenzoate

CAS: 59265-81-5
Formula: C₁₀H₁₂ClNO₂
MW: 213.66 g/mol

VQ-029744

Reference Standard

Propane-1,3-diyl bis(4-methylbenzenesulfonate) chemical structure

Propane-1,3-diyl bis(4-methylbenzenesulfonate)

CAS: 5469-66-9
Formula: C₁₇H₂₀O₆S₂
MW: 384.5 g/mol

VQ-048630

Reference Standard

Propanoic-d5 acid chemical structure

Propanoic-d5 acid

CAS: 60153-92-6
Formula: C₃H₆O₂
MW: 79.11 g/mol

VQ-041186

Reference Standard

Propantheline chemical structure

CAS: 298-50-0
Formula: C₂₃H₃₀NO₃⁺
MW: 368.5 g/mol

VQ-007678

Reference Standard

Propantheline Bromide WS chemical structure

Propantheline Bromide WS

CAS: 50-34-0
Formula: C₂₃H₃₀BrNO₃
MW: 448.4 g/mol

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Reference Standard

Propantheline D3 Bromide (N-Methyl D3) chemical structure

Propantheline D3 Bromide (N-Methyl D3)

CAS: 64717-35-7
Formula: C₂₃H₃₀BrNO₃
MW: 451.4 g/mol

VQ-041718

Reference Standard

Propaquizafop chemical structure

CAS: 111479-05-1
Formula: C₂₂H₂₂ClN₃O₅
MW: 443.9 g/mol

VQ-041719

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