Reference Standards and Forensic Substances

The importance of reference standards in performing quantitative assays is often overlooked. A well characterized reference standard in combination with robust methodology will deliver accurate and precise analytical results. In our portfolio, we have numerous high-quality standards for your investigations. These include ready-to-use, quantitative MaxSpec™ standards as well as stable, isotope-labeled (deuterated) compounds. You will also find Cayman Chemical's synthesised forensic analytical standards and (certified) reference materials, including synthetic cannabinoids, cathinones, phenethylamines, amphetamines, indans, opioids, benzodiazepines, tryptamines and phytocannabinoids. Due to the strict regulations for these substances, we ask that you contact us by e-mail or via our contact form for further information. 

The importance of reference standards in performing quantitative assays is often overlooked. A well characterized reference standard in combination with robust methodology will deliver accurate... read more »
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Reference Standards and Forensic Substances

The importance of reference standards in performing quantitative assays is often overlooked. A well characterized reference standard in combination with robust methodology will deliver accurate and precise analytical results. In our portfolio, we have numerous high-quality standards for your investigations. These include ready-to-use, quantitative MaxSpec™ standards as well as stable, isotope-labeled (deuterated) compounds. You will also find Cayman Chemical's synthesised forensic analytical standards and (certified) reference materials, including synthetic cannabinoids, cathinones, phenethylamines, amphetamines, indans, opioids, benzodiazepines, tryptamines and phytocannabinoids. Due to the strict regulations for these substances, we ask that you contact us by e-mail or via our contact form for further information. 

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MDMB-CHMCZCA metabolite M3
MDMB-CHMCZCA metabolite M3

Item number: Cay25064-1

MDMB-CHMCZCA metabolite M3 (Cay-25064) is an analytical reference standard that is structurally similar to known synthetic cannabinoids. This product is intended for research and forensic applications.Formal Name: 9-(cyclohexylmethyl)-9H-carbazole-3-carboxylic acid. CAS Number: 2225886-49-5. Molecular Formula:...
Keywords: 9-(cyclohexylmethyl)-9H-carbazole-3-carboxylic acid
Application: Analytical reference standard, structurally similar to known synthetic cannabinoids
CAS 2225886-49-5
MW: 307.4 D
From 180.00€ *
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2,3-seco-Fentanyl (hydrochloride)
2,3-seco-Fentanyl (hydrochloride)

Item number: Cay25092-1

2,3-seco-Fentanyl (hydrochloride) (Cay-25092) is an analytical reference standard that is structurally similar to known opioids. This product is intended for research and forensic applications.Formal Name: N-[1-methyl-3-[methyl(2-phenylethyl)amino]propyl]-N-phenyl-propanamide, monohydrochloride. CAS Number:...
Keywords: N-[1-methyl-3-[methyl(2-phenylethyl)amino]propyl]-N-phenyl-propanamide, monohydrochloride
Application: Analytical reference standard, structurally similar to known opioids
CAS 2748592-46-1
MW: 375 D
From 126.00€ *
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Phenyl fentanyl-d5 (hydrochloride)
Phenyl fentanyl-d5 (hydrochloride)

Item number: Cay25134-1

Phenyl fentanyl-d5 (hydrochloride) (Cay-25134) is analytical reference material intended for use as an internal standard for the quantification of phenyl fentanyl (Cay-25887, Cay-22551) by GC- or LC-MS. Phenyl fentanyl is categorized as an opioid. Phenyl fentanyl-d5 is regulated as a Schedule I compound in the...
Keywords: Benzoyl fentanil-d5, Benzoyl fentanyl-d5, Phenyl fentanil-d5, N-(1-phenethylpiperidin-4-yl)-N-(phenyl-d5)benzamide,...
Application: Analytical reference material, opioid, GC-MS, LC-MS internal standard, quantification
CAS 2747917-42-4
MW: 426 D
From 487.00€ *
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Thiophene fentanyl-d5 (hydrochloride)
Thiophene fentanyl-d5 (hydrochloride)

Item number: Cay25135-1

Thiophene fentanyl-d5 (hydrochloride) (Cay-25315) is intended for use as an internal standard for the quantification of thiophene fentanyl (Cay-22802) by GC- or LC-MS. Thiophene fentanyl is categorized as an opioid. It induces generalized responses in rats trained to discriminate morphine from saline. Thiophene...
Keywords: 2-Thiofuranyl fentanyl-d5, 2-Thiophenoyl fentanyl-d5, Thiofuranyl fentanyl-d5,...
Application: Analytical reference standard, opioid, GC-MS, LC-MS internal standard, quantification
CAS 2747914-12-9
MW: 432 D
From 487.00€ *
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N-benzyl para-fluoro Cyclopropyl norfentanyl (hydrochloride)
N-benzyl para-fluoro Cyclopropyl norfentanyl (hydrochloride)

Item number: Cay25238-1

N-benzyl para-fluoro Cyclopropyl norfentanyl (hydrochloride) (Cay-25238) is an analytical reference standard that is structurally similar to known opioids. This product is intended for research and forensic applications.Formal Name: N-(4-fluorophenyl)-N-[1-(phenylmethyl)-4-piperidinyl]-cyclopropanecarboxamide,...
Keywords: para-fluoro Cyclopropyl benzyl fentanyl, N-(4-fluorophenyl)-N-[1-(phenylmethyl)-4-piperidinyl]-cyclopropanecarboxamide,...
Application: Analytical reference standard, structurally similar to known opioids
MW: 388.9 D
From 326.00€ *
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2-Fluoroethamphetamine (hydrochloride)
2-Fluoroethamphetamine (hydrochloride)

Item number: Cay25266-1

2-Fluoroethamphetamine (hydrochloride) (Cay-25266) is an analytical reference standard categorized as an amphetamine. This product is intended for research and forensic applications.Formal Name: N-ethyl-2-fluoro-alpha-methyl-benzeneethanamine, monohydrochloride. CAS Number: 3871-89-4. Molecular Formula: C11H16FN ....
Keywords: o-Fluoroethamphetamine, ortho-Fluoroethamphetamine, 2-FEA, 2-Fluoro-ethyl Amphetamine,...
Application: Analytical reference standard, amphetamine
CAS 3871-89-4
MW: 217.7 D
From 326.00€ *
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Senecioylfentanyl
Senecioylfentanyl

Item number: Cay25440-1

Senecioylfentanyl (Cay-25440) is an analytical reference standard that is structurally similar to known opioids. Senecioylfentanyl is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.Formal Name:...
Keywords: beta'-methyl Crotonyl fentanyl, 3-methyl-N-phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]-2-butenamide
Application: Analytical reference standard, structurally similar to known opioids
CAS 2630378-28-6
MW: 362.5 D
From 326.00€ *
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4-acetoxy MiPT (hydrochloride)
4-acetoxy MiPT (hydrochloride)

Item number: Cay25672-1

4-acetoxy MiPT (hydrochloride) (Cay-25672) is an analytical reference standard categorized as a tryptamine. 4-acetoxy DET induces the head-twitch response (HTR) in mice, indicating hallucinogenic potential. This product is intended for research and forensic applications.Formal Name:...
Keywords: 4-acetoxy-N-methyl-N-Isopropyltryptamine, 3-[2-[methyl(1-methylethyl)amino]ethyl]-1H-indol-4-ol, 4-acetate, monohydrochloride
Application: Analytical reference standard, tryptamine
CAS 2748624-99-7
MW: 310.8 D
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Fentanyl Methyl Carbamate
Fentanyl Methyl Carbamate

Item number: Cay25678-1

Fentanyl methyl carbamate (Cay-25678) is an analytical reference standard that is structurally similar to known opioids. Fentanyl methyl carbamate is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.Formal Name: methyl...
Keywords: methyl (1-phenethylpiperidin-4-yl)(phenyl)carbamate
Application: Analytical reference standard, structurally similar to known opioids
CAS 2706537-37-1
MW: 338.4 D
From 326.00€ *
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Chlorzoxazone
Chlorzoxazone

Item number: Cay25826-1

Chlorzoxazone (Cay-25826) is an analytical reference standard categorized as a skeletal muscle relaxant. This product is intended for analytical forensic applications. This product is also available as a general research tool (Cay-18869).Formal Name: 5-chloro-2(3H)-benzoxazolone. CAS Number: 95-25-0. Molecular...
Keywords: NSC 26189, 5-chloro-2(3H)-benzoxazolone
Application: Analytical reference standard, centrally acting muscle relaxant
CAS 95-25-0
MW: 169.6 D
From 69.00€ *
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Isobutyl 1-pentyl-1H-indazole-3-carboxylate
Isobutyl 1-pentyl-1H-indazole-3-carboxylate

Item number: Cay25880-1

Isobutyl 1-pentyl-1H-indazole-3-carboxylate (Cay-25880) is an analytical reference standard that is structurally similar to known synthetic cannabinoids. This product is intended for research and forensic applications.Formal Name: 1-pentyl-1H-indazole-3-carboxylic acid, 2-methylpropyl ester. CAS Number:...
Keywords: 1-pentyl-1H-indazole-3-carboxylic acid, 2-methylpropyl ester
Application: Analytical reference standard, structurally similar to known synthetic cannabinoids
CAS 2748624-88-4
MW: 288.4 D
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para-fluoro 4-ANBP
para-fluoro 4-ANBP

Item number: Cay25960-1

para-fluoro 4-ANBP (Cay-25960) is an analytical reference standard that is structurally similar to known opioids. It is an intermediate in the synthesis of N-benzyl para-fluoro norfentanyl (Cay-25542). This product is intended for research and forensic applications.Formal Name:...
Keywords: p-fluoro 4-ANBP, Despropionyl N-benzyl para-fluoro norfentanyl, N-(4-fluorophenyl)-1-(phenylmethyl)-4-piperidinamine
Application: Analytical reference standard, structurally similar to known opioids, synthesis intermediate
CAS 131587-27-4
MW: 284.4 D
From 126.00€ *
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264 from 280 pages