Fentanyl Analog Screening Kit (FAS Kit) and Emergent Panels

para-methoxy Butyryl fentanyl (hydrochloride)
Acetyl norfentanyl (hydrochloride)
α-methyl Acetyl fentanyl (hydrochloride)
Crotonyl fentanyl
Fentanyl
Acrylfentanyl (hydrochloride)
Cyclopropyl fentanyl (hydrochloride)
Isobutyryl fentanyl (hydrochloride)
Methoxyacetyl fentanyl (hydrochloride)
Valeryl fentanyl (hydrochloride)
(±)-cis-3-methyl Fentanyl (hydrochloride)
2′-fluoro ortho-Fluorofentanyl (hydrochloride)
ortho-Fluorobutyryl fentanyl (hydrochloride)
ortho-Fluorofentanyl (hydrochloride)
ortho-isopropyl Furanyl fentanyl
ortho-methoxy Furanyl fentanyl
ortho-methyl Furanyl fentanyl
meta-Fluorobutyryl fentanyl (hydrochloride)
(±)-cis-3-methyl Butyryl fentanyl (hydrochloride)
4′-methyl Acetyl fentanyl (hydrochloride)
para-chloro Furanyl fentanyl
para-Methoxyfentanyl (hydrochloride)
para-methoxy Furanyl fentanyl (hydrochloride)
α-methyl Butyryl fentanyl (hydrochloride)
α-methyl Thiofentanyl (hydrochloride)
Benzodioxole fentanyl
Phenyl fentanyl (hydrochloride)
Benzyl fentanyl (hydrochloride)
N-benzyl Furanyl norfentanyl (hydrochloride)
Cyclohexyl fentanyl (hydrochloride)
Cyclopentyl fentanyl (hydrochloride)
meta-Methylfentanyl (hydrochloride)
N-methyl Norcarfentanil (hydrochloride)
Norcarfentanil (hydrochloride)
ortho-methyl Acrylfentanyl (hydrochloride)
ortho-methyl Methoxyacetyl fentanyl (hydrochloride)
para-Chloroisobutyryl fentanyl (hydrochloride)
Tetrahydrofuran fentanyl (hydrochloride)
2,2,3,3-tetramethyl-Cyclopropyl fentanyl (hydrochloride)
Thienyl fentanyl (hydrochloride)
Thiophene fentanyl (hydrochloride)
Thiofentanyl (hydrochloride)
ortho-methyl Acetyl fentanyl (hydrochloride)
α’-methoxy Fentanyl (hydrochloride)
α’-methyl Butyryl fentanyl (hydrochloride)
Cyclobutyl fentanyl (hydrochloride)
meta-Fluorofentanyl (hydrochloride)
N-methyl Cyclopropyl norfentanyl (hydrochloride)
(±)-trans-3-methyl Thiofentanyl (hydrochloride)
4′-fluoro, para-fluoro (±)-trans-3-methyl Fentanyl (hydrochloride)
4′-methyl Fentanyl (hydrochloride)
Alfentanil (hydrochloride)
Benzyl Carfentanil (hydrochloride)
Benzyl Acrylfentanyl (hydrochloride)
β’-Phenyl fentanyl
β-methyl Acetyl fentanyl (hydrochloride)
Ethoxyacetyl fentanyl (hydrochloride)
Fentanyl Carbamate
Furanyl fentanyl 3-furancarboxamide isomer (hydrochloride)
Furanylethyl fentanyl (hydrochloride)
Isovaleryl fentanyl (hydrochloride)
meta-Fluoroisobutyryl fentanyl (hydrochloride)
meta-fluoro Methoxyacetyl fentanyl (hydrochloride)
meta-methyl Furanyl fentanyl (hydrochloride)
meta-methyl Methoxyacetyl fentanyl (hydrochloride)
Methacrylfentanyl
ortho-fluoro Acrylfentanyl (hydrochloride)
ortho-fluoro Furanyl fentanyl (hydrochloride)
ortho-Fluoroisobutyryl fentanyl (hydrochloride)
ortho-methoxy Butyryl fentanyl (hydrochloride)
ortho-methyl Cyclopropyl fentanyl (hydrochloride)
ortho-Methylfentanyl (hydrochloride)
ortho-methyl Phenyl fentanyl (hydrochloride)
para-Chlorofentanyl (hydrochloride)
para-chloro Acrylfentanyl (hydrochloride)
para-Chlorobutyryl fentanyl (hydrochloride)
para-chloro Cyclobutyl fentanyl (hydrochloride)
para-chloro Cyclopentyl fentanyl (hydrochloride)
para-chloro Methoxyacetyl fentanyl (hydrochloride)
para-chloro Valeryl fentanyl (hydrochloride)
para-chloro Cyclopropyl fentanyl (hydrochloride)
para-fluoro Acrylfentanyl
para-fluoro Crotonyl fentanyl
para-fluoro Cyclopentyl fentanyl (hydrochloride)
para-fluoro Cyclopropyl fentanyl (hydrochloride)
para-fluoro Furanyl fentanyl 3-furancarboxamide (hydrochloride)
para-fluoro Furanyl fentanyl (hydrochloride)
para-fluoro Methoxyacetyl fentanyl (hydrochloride)
para-fluoro Tetrahydrofuran fentanyl (hydrochloride)
para-fluoro Valeryl fentanyl (hydrochloride)
para-Fluoroacetyl fentanyl (hydrochloride)
para-methoxy Acrylfentanyl (hydrochloride)
para-methoxy Tetrahydrofuran fentanyl (hydrochloride)
para-methoxy Valeryl fentanyl (hydrochloride)
para-Methylfentanyl (hydrochloride)
para-methyl Acetyl fentanyl (hydrochloride)
para-methyl Acrylfentanyl (hydrochloride)
para-methyl Cyclopropyl fentanyl (hydrochloride)
para-methyl Furanyl fentanyl (hydrochloride)
para-methyl Isobutyryl fentanyl (hydrochloride)
para-methyl Methoxyacetyl fentanyl (hydrochloride)
para-methyl Tetrahydrofuran fentanyl (hydrochloride)
Phenylacetyl fentanyl (hydrochloride)
Pivaloyl fentanyl (hydrochloride)
Remifentanil (hydrochloride)
Sufentanil
Tetrahydrofuran fentanyl 3-tetrahydrofurancarboxamide (hydrochloride)
(±)-cis-3-methyl Thiofentanyl (hydrochloride)
β-Hydroxythiofentanyl (hydrochloride)
Norfentanyl
4-ANPP
β-methyl Fentanyl (hydrochloride)
(±)-trans-3-methyl Fentanyl (hydrochloride)
para-Fluorobutyryl fentanyl (hydrochloride)
FIBF (hydrochloride)
α-methyl Fentanyl (hydrochloride)
Ocfentanil (hydrochloride)
para-Fluorofentanyl (hydrochloride)
Butyryl norfentanyl (hydrochloride)
Butyryl fentanyl (hydrochloride)

Furanyl fentanyl (hydrochloride)
Norsufentanil
Acetyl fentanyl (hydrochloride)
4′-Fluorofentanyl (hydrochloride)
4-Phenyl fentanyl (hydrochloride)
Cyclopentenyl fentanyl (hydrochloride)
para-methyl Cyclopentyl fentanyl (hydrochloride)
meta-methyl Cyclopropyl fentanyl (hydrochloride)
para-methyl Butyryl fentanyl (hydrochloride)
para-methoxy Acetyl fentanyl (hydrochloride)
para-methoxy Methoxyacetyl fentanyl (hydrochloride)
Tetrahydrothiophene fentanyl
N,N-Dimethylamido-despropionyl fentanyl
Hexanoyl fentanyl (hydrochloride)
Heptanoyl fentanyl (hydrochloride)
β-Hydroxythioacetylfentanyl
2,3-seco-Fentanyl (hydrochloride)
Senecioylfentanyl
Phenoxyacetyl fentanyl (hydrochloride)
Fentanyl Methyl Carbamate
β-hydroxy Fentanyl (hydrochloride)
N-(3-ethylindole) Norfentanyl
U-47700
U-49900
U-48800 (hydrochloride)
Isopropyl U-47700
AH 7921
MT-45 (hydrochloride)
2-fluoro MT-45 (hydrochloride)
Furanyl norfentanyl (hydrochloride)

U-48520
U-50488 (hydrochloride)
U-51754 (hydrochloride)
U-47931E
U-48753E (maleate)
meta-fluoro Furanyl fentanyl (hydrochloride)
3,4-Methylenedioxy U-47700 (hydrochloride)
3,4-Ethylenedioxy U-51754 (hydrochloride)
3,4-Ethylenedioxy U-47700 (hydrochloride)
N-methyl U-47931E
Propyl U-47700
4-phenyl U-51754 (hydrochloride)
N-desmethyl U-47700
N,N-didesmethyl U-47700 (trifluoroacetate salt)
3′-methyl Acetyl fentanyl (hydrochloride)
2′-methyl Acetyl fentanyl (hydrochloride)
meta-methyl Acetyl fentanyl (hydrochloride)
2′-methyl Fentanyl (hydrochloride)
3′-methyl Fentanyl (hydrochloride)
Remifentanil Acid (trifluoroacetate salt)
(±)-cis-3-methyl Norfentanyl
N-Benzyl phenyl norfentanyl (hydrochloride)
para-fluoro 4-ANBP
Despropionyl para-Fluorofentanyl
Despropionyl meta-Methylfentanyl
N-benzyl para-fluoro Norfentanyl (hydrochloride)
Despropionyl 2′-fluoro ortho-Fluorofentanyl
(±)-cis-Isofentanyl (hydrochloride)
N-methyl Norfentanyl (hydrochloride)
N-benzyl para-fluoro Cyclopropyl norfentanyl (hydrochloride)
para-Bromofentanyl (hydrochloride)
para-Toluoyl fentanyl (hydrochloride)

N-(MDA) Fentanyl
N-(Phentermine) Fentanyl
N-(6-APB) Fentanyl
N-(6-APDB) Fentanyl
N-(2-APB) Fentanyl
2′,5′-dimethoxy Fentanyl (hydrochloride)
N-(2C-E) Fentanyl
N-(2C-B) Fentanyl
N-(2C-C) Fentanyl
N-(2C-P) Fentanyl
N-(2C-T-7) Fentanyl
N-(2C-D) Fentanyl
N-(2C-G) Fentanyl
N-(2C-I) Fentanyl
N-(2C-iP) Fentanyl
N-(2C-N) Fentanyl
N-(2C-T) Fentanyl
N-(2C-T-2) Fentanyl
N-(2C-T-4) Fentanyl
N-(2C-TFM) Fentanyl
N-(2C-B-fly) Fentanyl
N-(3C-B-fly) Fentanyl
N-(3,4,5-TMA) Fentanyl
N-(2,5-DMA) Fentanyl
N-(DOC) Fentanyl
N-(DOB) Fentanyl
N-(DOI) Fentanyl
N-(DOM) Fentanyl (hydrochloride)
N-(DOET) Fentanyl
N-(DOBU) Fentanyl