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Fentanyl Pharmaceutical Reference Standards
2-Oxofentanyl-d5
Fentanyl Stable Isotopes
CS-T-94425

2-Oxofentanyl-d5

Fentanyl Stable Isotopes
3-Methylthio Fentanyl-d3 (1.0mg/ml in Acetonitrile)
Fentanyl Stable Isotopes
CS-TB-79047

3-Methylthio Fentanyl-d3 (1.0mg/ml in Acetonitrile)

Fentanyl Stable Isotopes
3-Methylthiofentanyl-d3
Fentanyl Stable Isotopes
CS-T-103238

3-Methylthiofentanyl-d3

Fentanyl Stable Isotopes
Alpha-Methyl Fentanyl-d3 Hydrochloride
Fentanyl Stable Isotopes
CS-TB-79024

Alpha-Methyl Fentanyl-d3 Hydrochloride

Fentanyl Stable Isotopes
a-Methyl Fentanyl-d3 Hydrochloride
Fentanyl Stable Isotopes
CS-T-103171

a-Methyl Fentanyl-d3 Hydrochloride

Fentanyl Stable Isotopes
Beta-Hydroxy-3-methylfentanyl-d3
Fentanyl Stable Isotopes
CS-T-103172

Beta-Hydroxy-3-methylfentanyl-d3

Fentanyl Stable Isotopes
Beta-Hydroxyfentanyl-d3 Hydrochloride
Fentanyl Stable Isotopes
CS-T-103165

Beta-Hydroxyfentanyl-d3 Hydrochloride

Fentanyl Stable Isotopes
Fentanyl 13C6
Fentanyl Stable Isotopes
CS-EK-01360

Fentanyl 13C6

Fentanyl Stable Isotopes
Fentanyl-D5
Fentanyl Stable Isotopes
CS-O-10119

Fentanyl-D5

Fentanyl Stable Isotopes
Norfentanyl-d5 Oxalate
Fentanyl Stable Isotopes
CS-T-59723

Norfentanyl-d5 Oxalate

Fentanyl Stable Isotopes
Normethyl Fentanyl-d3 Hydrochloride Salt
Fentanyl Stable Isotopes
CS-T-59749

Normethyl Fentanyl-d3 Hydrochloride Salt

Fentanyl Stable Isotopes
Thienyl Fentanyl-d3 Hydrochloride (1.0mg/ml in Acetonitrile)
Fentanyl Stable Isotopes
CS-TB-79282

Thienyl Fentanyl-d3 Hydrochloride (1.0mg/ml in Acetonitrile)

Fentanyl Stable Isotopes
ω-Hydroxy Norfentanyl-d5
Fentanyl Stable Isotopes
CS-T-79263

ω-Hydroxy Norfentanyl-d5

Fentanyl Stable Isotopes
Acrylfentanyl
Fentanyl API Standards
CS-EK-01225

Acrylfentanyl

Fentanyl API Standards
ALPHA-METHYLTHIOFENTANYL
Fentanyl API Standards
CS-T-94511

ALPHA-METHYLTHIOFENTANYL

Fentanyl API Standards
Butyrfentanyl
Fentanyl API Standards
CS-EK-00013

Butyrfentanyl

Fentanyl API Standards
CROTONYLFENTANYL
Fentanyl API Standards
CS-T-94513

CROTONYLFENTANYL

Fentanyl API Standards
CYCLOPROPYLFENTANYL
Fentanyl API Standards
CS-O-42695

CYCLOPROPYLFENTANYL

Fentanyl API Standards
Fentanyl
Fentanyl API Standards
CS-T-30530

Fentanyl

Fentanyl API Standards
Furanylfentanyl
Fentanyl API Standards
CS-EK-00367

Furanylfentanyl

Fentanyl API Standards
Isobutyrfentanyl
Fentanyl API Standards
CS-EK-02549

Isobutyrfentanyl

Fentanyl API Standards
METHOXYACETYLFENTANYL
Fentanyl API Standards
CS-O-42740

METHOXYACETYLFENTANYL

Fentanyl API Standards
Norocfentanyl
Fentanyl API Standards
CS-EK-00544

Norocfentanyl

Fentanyl API Standards
Ocfentanyl
Fentanyl API Standards
CS-EK-01730

Ocfentanyl

Fentanyl API Standards
Ohmefentanyl
Fentanyl API Standards
CS-CX-00661

Ohmefentanyl

Fentanyl API Standards
P-​FLUORO FENTANYL
Fentanyl API Standards
CS-T-94522

P-​FLUORO FENTANYL

Fentanyl API Standards
Phenacyl Fentanyl HCl
Fentanyl API Standards
CS-O-16386

Phenacyl Fentanyl HCl

Fentanyl API Standards
THIOFENTANYL
Fentanyl API Standards
CS-O-42748

THIOFENTANYL

Fentanyl API Standards
Valerylfentanyl
Fentanyl API Standards
CS-EK-02538

Valerylfentanyl

Fentanyl API Standards
β-hydroxy Fentanyl hydrochloride
Fentanyl Metabolites
CS-BX-00496

β-hydroxy Fentanyl hydrochloride

Fentanyl Metabolites
alpha-Methylacetylfentanyl
Fentanyl Metabolites
CS-EK-00503

alpha-Methylacetylfentanyl

Fentanyl Metabolites
beta-Hydroxythiofentanyl
Fentanyl Metabolites
CS-EK-02526

beta-Hydroxythiofentanyl

Fentanyl Metabolites
Cyclopentyl fentanyl
Fentanyl Metabolites
CS-O-48335

Cyclopentyl fentanyl

Fentanyl Metabolites
Despropionyl 2-fluorofentanyl
Fentanyl Metabolites
CS-EK-00844

Despropionyl 2-fluorofentanyl

Fentanyl Metabolites
Norfentanyl
Fentanyl Metabolites
CS-CX-00660

Norfentanyl

Fentanyl Metabolites
1-Phenethylpyridinium
Fentanyl Impurities
CS-O-40527

1-Phenethylpyridinium

Fentanyl Impurities
2'-Fluoro ortho-fluorofentanyl
Fentanyl Impurities
CS-O-48267

2'-Fluoro ortho-fluorofentanyl

Fentanyl Impurities
3-Fluorofentanyl
Fentanyl Impurities
CS-CX-00659

3-Fluorofentanyl

Fentanyl Impurities
3-Methylthiofentanyl
Fentanyl Impurities
CS-O-48272

3-Methylthiofentanyl

Fentanyl Impurities
4-Fluorobutyrfentanyl
Fentanyl Impurities
CS-EK-01347

4-Fluorobutyrfentanyl

Fentanyl Impurities
4-Fluoroisobutyryl fentanyl
Fentanyl Impurities
CS-EH-00177

4-Fluoroisobutyryl fentanyl

Fentanyl Impurities
Benzaldehyde
Fentanyl Impurities
CS-T-48560

Benzaldehyde

Fentanyl Impurities
Benzyl Fentanyl
Fentanyl Impurities
CS-T-05647

Benzyl Fentanyl

Fentanyl Impurities
Fentanyl EP Impurity H
Fentanyl Impurities
CS-EO-01813

Fentanyl EP Impurity H

Fentanyl Impurities
Fentanyl N-Oxide
Fentanyl Impurities
CS-T-54690

Fentanyl N-Oxide

Fentanyl Impurities
Fentanyl N-Oxide Hydrochloride
Fentanyl Impurities
CS-ED-01649

Fentanyl N-Oxide Hydrochloride

Fentanyl Impurities
Fentanyl Related Compound G
Fentanyl Impurities
CS-K-00054

Fentanyl Related Compound G

Fentanyl Impurities
Methoxyacetyl fentanyl
Fentanyl Impurities
CS-EK-02170

Methoxyacetyl fentanyl

Fentanyl Impurities
N-Nitroso Fentanyl EP Impurity B
Fentanyl Impurities
CS-EO-02655

N-Nitroso Fentanyl EP Impurity B

Fentanyl Impurities
N-Nitroso Fentanyl EP Impurity D
Fentanyl Impurities
CS-EO-02595

N-Nitroso Fentanyl EP Impurity D

Fentanyl Impurities
N-Nitroso Fentanyl EP Impurity J
Fentanyl Impurities
CS-EO-02594

N-Nitroso Fentanyl EP Impurity J

Fentanyl Impurities
N-Nitroso Fentanyl Impurity 1
Fentanyl Impurities
CS-EO-02652

N-Nitroso Fentanyl Impurity 1

Fentanyl Impurities
N-Nitroso Fentanyl Impurity 2
Fentanyl Impurities
CS-EO-02653

N-Nitroso Fentanyl Impurity 2

Fentanyl Impurities
N-Nitroso Fentanyl Impurity 3
Fentanyl Impurities
CS-EO-02654

N-Nitroso Fentanyl Impurity 3

Fentanyl Impurities
Phenacyl Fentanyl
Fentanyl Impurities
CS-O-16354

Phenacyl Fentanyl

Fentanyl Impurities
1-Hydroxy Fentanyl
Fentanyl Intermediates
CS-T-26733

1-Hydroxy Fentanyl

Fentanyl Intermediates
Afentanyl
Fentanyl Intermediates
CS-CX-00058

Afentanyl

Fentanyl Intermediates
Despropionyl p-Fluoro Fentanyl
Fentanyl Intermediates
CS-T-52299

Despropionyl p-Fluoro Fentanyl

Fentanyl Intermediates
Hydroxy Norfentanyl
Fentanyl Intermediates
CS-T-28106

Hydroxy Norfentanyl

Fentanyl Intermediates
Normethyl Fentanyl
Fentanyl Intermediates
CS-T-59747

Normethyl Fentanyl

Fentanyl Intermediates
Normethyl Fentanyl Hydrochloride Salt
Fentanyl Intermediates
CS-T-59748

Normethyl Fentanyl Hydrochloride Salt

Fentanyl Intermediates
N-tert-Butoxycarbonyl ?-Hydroxy Norfentanyl
Fentanyl Intermediates
CS-T-69006

N-tert-Butoxycarbonyl ?-Hydroxy Norfentanyl

Fentanyl Intermediates
Pyruvyl Fentanyl
Fentanyl Intermediates
CS-T-85471

Pyruvyl Fentanyl

Fentanyl Intermediates
Fentanyl citrate
Fentanyl Fine Chemicals
CS-ED-00586

Fentanyl citrate

Fentanyl Fine Chemicals
?-Hydroxy Fentanyl (100 ?g/mL in Methanol)
Fentanyl Other
CS-TB-78868

?-Hydroxy Fentanyl (100 ?g/mL in Methanol)

Fentanyl Other
?-Hydroxy Fentanyl-d5
Fentanyl Other
CS-TB-66196

?-Hydroxy Fentanyl-d5

Fentanyl Other
?-Methyl Fentanyl Hydrochloride (1mg/ml in Methanol)
Fentanyl Other
CS-TB-78365

?-Methyl Fentanyl Hydrochloride (1mg/ml in Methanol)

Fentanyl Other
3-Methylthio Fentanyl (1 mg/mL in Methanol)
Fentanyl Other
CS-TB-78403

3-Methylthio Fentanyl (1 mg/mL in Methanol)

Fentanyl Other
3-Phenylpropanoylfentanyl
Fentanyl Building Blocks
CS-ED-41774

3-Phenylpropanoylfentanyl

Fentanyl Building Blocks
4-Methoxybutyrfentanyl
Fentanyl Steroids
CS-O-48263

4-Methoxybutyrfentanyl

Fentanyl Steroids
Benzyl Fentanyl-d3
Fentanyl Other
CS-TA-27868

Benzyl Fentanyl-d3

Fentanyl Other
Fentanyl - * narc (Y0001985)
Fentanyl EP Standards
CS-EG-02579

Fentanyl - * narc (Y0001985)

Fentanyl EP Standards
Fentanyl CII (R05790)
Fentanyl USP Standards
CS-EB-00865

Fentanyl CII (R05790)

Fentanyl USP Standards
Fentanyl CII(Secondary Standards traceble to USP)
Fentanyl Secondary Standards
CS-ER-00857

Fentanyl CII(Secondary Standards traceble to USP)

Fentanyl Secondary Standards
Fentanyl citrate - * narc (Y0001963)
Fentanyl EP Standards
CS-EG-02529

Fentanyl citrate - * narc (Y0001963)

Fentanyl EP Standards
Fentanyl Citrate CII (M1L328)
Fentanyl USP Standards
CS-EB-00871

Fentanyl Citrate CII (M1L328)

Fentanyl USP Standards
Fentanyl Citrate CII(Secondary Standards traceble to USP)
Fentanyl Secondary Standards
CS-ER-00863

Fentanyl Citrate CII(Secondary Standards traceble to USP)

Fentanyl Secondary Standards
Fentanyl Hydrochloride
Fentanyl Other
CS-TB-51381

Fentanyl Hydrochloride

Fentanyl Other
Fentanyl impurity mixture - * narc (Y0001967)
Fentanyl EP Standards
CS-EG-02559

Fentanyl impurity mixture - * narc (Y0001967)

Fentanyl EP Standards
Fentanyl isothiocyanate
Fentanyl Other
CS-ZG-20132

Fentanyl isothiocyanate

Fentanyl Other
Fentanyl Related Compound A (R00620)
Fentanyl USP Standards
CS-EB-00866

Fentanyl Related Compound A (R00620)

Fentanyl USP Standards
Fentanyl Related Compound A(Secondary Standards traceble to USP)
Fentanyl Secondary Standards
CS-ER-00858

Fentanyl Related Compound A(Secondary Standards traceble to USP)

Fentanyl Secondary Standards
Fentanyl Related Compound B (F0H397)
Fentanyl USP Standards
CS-EB-00867

Fentanyl Related Compound B (F0H397)

Fentanyl USP Standards
Fentanyl Related Compound B(Secondary Standards traceble to USP)
Fentanyl Secondary Standards
CS-ER-00859

Fentanyl Related Compound B(Secondary Standards traceble to USP)

Fentanyl Secondary Standards
Fentanyl Related Compound D (F0H406)
Fentanyl USP Standards
CS-EB-00868

Fentanyl Related Compound D (F0H406)

Fentanyl USP Standards
Fentanyl Related Compound D(Secondary Standards traceble to USP)
Fentanyl Secondary Standards
CS-ER-00860

Fentanyl Related Compound D(Secondary Standards traceble to USP)

Fentanyl Secondary Standards
Fentanyl Related Compound E CII (F0H419)
Fentanyl USP Standards
CS-EB-00869

Fentanyl Related Compound E CII (F0H419)

Fentanyl USP Standards
Fentanyl Related Compound E CII(Secondary Standards traceble to USP)
Fentanyl Secondary Standards
CS-ER-00861

Fentanyl Related Compound E CII(Secondary Standards traceble to USP)

Fentanyl Secondary Standards
Fentanyl Related Compound G CI (F0H407)
Fentanyl USP Standards
CS-EB-00870

Fentanyl Related Compound G CI (F0H407)

Fentanyl USP Standards
Fentanyl Related Compound G CI(Secondary Standards traceble to USP)
Fentanyl Secondary Standards
CS-ER-00862

Fentanyl Related Compound G CI(Secondary Standards traceble to USP)

Fentanyl Secondary Standards
omega-Hydroxy Fentanyl
Fentanyl Other
CS-TB-66195

omega-Hydroxy Fentanyl

Fentanyl Other
ortho-Fluoroacryl fentanyl
Fentanyl Building Blocks
CS-O-48294

ortho-Fluoroacryl fentanyl

Fentanyl Building Blocks
ortho-Methyl methoxyacetyl fentanyl
Fentanyl Building Blocks
CS-O-48276

ortho-Methyl methoxyacetyl fentanyl

Fentanyl Building Blocks
Para-Fluoro furanyl fentanyl
Fentanyl Building Blocks
CS-O-48271

Para-Fluoro furanyl fentanyl

Fentanyl Building Blocks
p-Fluoro Fentanyl-d3
Fentanyl Other
CS-TB-52809

p-Fluoro Fentanyl-d3

Fentanyl Other
Phenyl fentanyl
Fentanyl Steroids
CS-O-48255

Phenyl fentanyl

Fentanyl Steroids
p-Methylfentanyl
Fentanyl Steroids
CS-O-48261

p-Methylfentanyl

Fentanyl Steroids
Tetrahydrofuranyl fentanyl
Fentanyl Building Blocks
CS-O-48311

Tetrahydrofuranyl fentanyl

Fentanyl Building Blocks
Thienyl Fentanyl Hydrochloride (1.0mg/ml in Acetonitrile)
Fentanyl Other
CS-TB-79281

Thienyl Fentanyl Hydrochloride (1.0mg/ml in Acetonitrile)

Fentanyl Other
Thiofuranyl fentanyl
Fentanyl Steroids
CS-O-48232

Thiofuranyl fentanyl

Fentanyl Steroids