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. 

3 from 280 pages
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Cyclopropylflualprazolam
Cyclopropylflualprazolam

Item number: Cay45621-1

Cyclopropylflualprazolam (Cay45621) is an analytical reference standard categorized as a benzodiazepine. Cyclopropylflualprazolam has been found in pressed candies marketed as sleep aids. This product is intended for research and forensic applications.. SMILES: ClC1=CC=C2C(C(C3=CC=CC=C3F)=NCC4=NN=C(C5CC5)N42)=C1....
Keywords: 8-chloro-1-cyclopropyl-6-(2-fluorophenyl)-H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine
Application: Analytical reference standard, benzodiazepine
CAS 2101840-38-2
MW: 352.8 D
From 124.00€ *
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alpha-hydroxy Ethylflualprazolam
alpha-hydroxy Ethylflualprazolam

Item number: Cay45634-1

alpha-hydroxy Ethylflualprazolam (Cay45634) is an analytical reference standard categorized as a benzodiazepine. alpha-hydroxy Ethylflualprazolam is a potential metabolite of ethylflualprazolam (Cay44429) based on the published metabolism of flualprazolam (Cay25577, Cay24481). At the time alpha-hydroxy...
Keywords: 1-(8-chloro-6-(2-fluorophenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-1-yl)ethan-1-ol
Application: Analytical reference standard, benzodiazepine
MW: 356.79 D
From 174.00€ *
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beta-hydroxy Ethylflualprazolam
beta-hydroxy Ethylflualprazolam

Item number: Cay45635-1

beta-hydroxy Ethylflualprazolam (Cay45635) is an analytical reference standard categorized as a benzodiazepine. beta-hydroxy Ethylflualprazolam is a potential metabolite of ethylflualprazolam (Cay44429) based on the published metabolism of flualprazolam (Cay25577, Cay24481). At the time beta-hydroxy...
Keywords: 2-(8-chloro-6-(2-fluorophenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-1-yl)ethan-1-ol
Application: Analytical reference standard, benzodiazepine
MW: 356.79 D
From 174.00€ *
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(S)-6-Methylnicotine
(S)-6-Methylnicotine

Item number: Cay45678-1

(S)-6-Methylnicotine (Cay45678) is an analytical reference standard categorized as an alkaloid and nicotinic acetylcholine receptor (nAChR) agonist. (S)-6-Methylnicotine has been found in e-cigarette products and pouches and in cured leaf tobacco marketed as additive free, as well as other tobacco products. This...
Keywords: 1'-methyl Nicotine, 6-MN, 2-methyl-5-[(2S)-1-methyl-2-pyrrolidinyl]-pyridine
Application: Analytical reference standard, alkaloid, nAChR agonist
CAS 13270-56-9
MW: 176.26 D
From 33.00€ *
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Malonic Acid-d4
Malonic Acid-d4

Item number: Cay45689-10

Malonic acid-d4 is intended for use as an internal standard for the quantification of malonic acid by GC- or LC-MS. Malonic acid is a dicarboxylic acid. At physiological pH, malonic acid is deprotonated to malonate, which competitively inhibits mitochondrial complex II, also known as succinate dehydrogenase, or is...
Keywords: C3:0-d4, FA 3:1,O2-d4, Propanedioic Acid-d4, acid-1,3-d2, propanedioic-2,2-d2
Application: GC-MS, LC-MS, internal standard, quantification
CAS 813-56-9
MW: 108.09 D
From 64.00€ *
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11-deoxy Cortisol-d2
11-deoxy Cortisol-d2

Item number: Cay45693-1

11-deoxy Cortisol-d2 is intended for use as an internal standard for the quantification of 11-deoxy cortisol by GC- or LC-MS. 11-deoxy Cortisol is a precursor in the biosynthesis of cortisol (hydrocortisone, Item No. 20739). It is converted into cortisol by the cytochrome P450 (CYP) isoform CYP11B1, also known as...
Keywords: Compound S, Cortexolone, Cortodoxone, Reichstein's Substance S, 17,21-dihydroxy-pregn-4-ene-3,20-dione-21,21-d2
Application: GC-MS, LC-MS internal standard, quantification, cortisol biosynthesis precursor
CAS 1271728-08-5
MW: 348.48 D
549.00€ *
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Myristic Acid-13C3
Myristic Acid-13C3

Item number: Cay45766-10

Myristic acid-13C3 is intended for use as an internal standard for the quantification of myristic acid (Cay13351, Cay45445) by GC- or LC-MS. Myristic acid is a 14-carbon saturated fatty acid. It is incorporated into myristoyl-coenzyme A (myristoyl-CoA) and transferred by N-myristoyltransferase to the N-terminal...
Keywords: C14:0-13C3, FA 14:0-13C3, Tetradecanoic Acid-13C3, tetradecanoic-1,2,3-13C3 acid
Application: GC-MS, LC-MS internal standard, quantification, 14-carbon saturated fatty acid
CAS 202114-49-6
MW: 231.4 D
From 59.00€ *
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5-fluoro PY-PINACA
5-fluoro PY-PINACA

Item number: Cay45801-1

5-fluoro PY-PINACA (Cay45801) is an analytical reference standard categorized as a synthetic cannabinoid. This product is intended for research and forensic applications.. SMILES: O=C(N1CCCC1)C2=NN(CCCCCF)C3=C2C=CC=C3. InChi Code:...
Keywords: 5F-PY-PICA, [1-(5-fluoropentyl)-1H-indazol-3-yl]-1-pyrrolidinyl-methanone
Application: Analytical reference standard, synthetic cannabinoid
CAS 2365471-48-1
MW: 303.38 D
From 122.00€ *
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Methoxyorphine
Methoxyorphine

Item number: Cay45887-1

Methoxyorphine (Cay45887) is an analytical reference standard categorized as an opioid. This product is intended for research and forensic applications.. SMILES: CC(C1=CC=C(OC)C=C1)N2CCC(N3C(NC4=C3C=CC=C4)=O)CC2. InChi Code:...
Keywords: 1,3-dihydro-1-[1-[1-(4-methoxyphenyl)ethyl]-4-piperidinyl]-2H-benzimidazol-2-one
Application: Analytical reference standard, opioid
CAS 2244737-99-1
MW: 351.4 D
From 122.00€ *
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Thiopental
Thiopental

Item number: Cay22021-1

An analytical reference standard categorized as a barbiturate, has anesthetic and anti-convulsant effects in rats, regulated as a Schedule III compound in the United States, intended for research and forensic applications. SMILES: O=C1C(CC)(C(C)CCC)C(NC(N1)=S)=O. InChi Code:...
Keywords: Thiopentone, 5-ethyldihydro-5-(1-methylbutyl)-2-thioxo-4,6(1H,5H)-pyrimidinedione
Application: Analytical reference standard, barbiturate
CAS 76-75-5
MW: 242.3 D
From 35.00€ *
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alpha-Hydroxyphenazolam (CRM)
alpha-Hydroxyphenazolam (CRM)

Item number: Cay44209-1

A certified reference material categorized as a benzodiazepine metabolite, a metabolite of phenazolam, intended for research and forensic applications. SMILES: BrC1=CC=C2C(C(C3=CC=CC=C3Cl)=NCC4=NN=C(CO)N42)=C1. InChi Code:...
Keywords: alpha-Hydroxyclobromazolam, (8-bromo-6-(2-chlorophenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-1-yl)methanol
Application: Certified reference material, benzodiazepine metabolite
MW: 403.66 D
235.00€ *
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N-desmethyl-cis-Tramadol-d3 (hydrochloride) (CRM)
N-desmethyl-cis-Tramadol-d3 (hydrochloride) (CRM)

Item number: Cay44541-100

An internal standard for the quantification of N-desmethyl-cis-tramadol by GC- or LC-MS, intended for research and forensic applications. SMILES: O[C@]1(C2=CC=CC(OC)=C2)CCCC[C@@H]1CNC([2H])([2H])[2H].Cl. InChi Code:...
Keywords: N-Desmethyltramadol-d3, NDMT-d3, (1R,2R)-rel-1-(3-methoxyphenyl)-2-[((methyl-d3)amino)methyl]-cyclohexanol, monohydrochloride
Application: GC-MS, LC-MS, internal standard, quantification, opioid metabolite
CAS 1261398-09-7
MW: 288.83 D
235.00€ *
Review
3 from 280 pages