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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2-oxo-PCPr (hydrochloride)
2-oxo-PCPr (hydrochloride)

Item number: Cay43304-1

2-oxo-PCPr (hydrochloride) (Cay-43304) is an analytical reference standard categorized as an arylcyclohexylamine. This product is intended for research and forensic applications. Synonyms: DCNPrNK Deschloro-N-propylnorketamine O-PCPr. Formal Name: 2-phenyl-2-(propylamino)-cyclohexanone, monohydrochloride. CAS...
Keywords: DCNPrNK, Deschloro-N-propylnorketamine, O-PCPr, 2-phenyl-2-(propylamino)-cyclohexanone, monohydrochloride
Application: Analytical reference standard, arylcyclohexylamine
CAS 7015-54-5
MW: 267.8 D
From 110.00€ *
Review
2-Methylmethcathinone (hydrochloride) (CRM)
2-Methylmethcathinone (hydrochloride) (CRM)

Item number: Cay44025-1

2-Methylmethcathinone (hydrochloride) (CRM) (Cay-44025) is a certified reference material categorized as a cathinone. 2-Methylmethcathinone is a potential impurity in the synthesis of 4-methylmethcathinone. This product is intended for research and forensic applications.
Keywords: 2-methyl MC, 2-MMC, ortho-Mephedrone
Application: Certified reference material, cathinone
CAS 1246815-51-9
MW: 213.71 D
174.00€ *
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3-Chloromethcathinone (hydrochloride) (CRM)
3-Chloromethcathinone (hydrochloride) (CRM)

Item number: Cay44026-1

3-Chloromethcathinone (hydrochloride) (CRM) (Cay-44026) is a certified reference material categorized as a cathinone. 3-Chloromethcathinone increases spontaneous locomotor activity in mice. It has been associated with fatality and has been found in seized illicit drug samples. This product is intended for research...
Keywords: 3-CMC, 1-(3-chlorophenyl)-2-(methylamino)-1-propanone, monohydrochloride
Application: Certified reference material, cathinone
CAS 1607439-32-6
MW: 234.12 D
255.00€ *
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9(S)-Hexahydrocannabiphorol (CRM)
9(S)-Hexahydrocannabiphorol (CRM)

Item number: Cay44029-1

9(S)-Hexahydrocannabiphorol (CRM) (Cay-44029) is a certified reference material that is structurally similar to known phytocannabinoids. 9(S)-Hexahydrocannabiphorol is regulated as a Schedule I compound in the United States. 9(S)-Hexahydrocannabiphorol (CRM) (Cay-44029) is provided as a DEA exempt preparation. This...
Keywords: 11alpha-Hexahydrocannabiphorol, 11alpha-HHCP, 9(S)-HHCP, 9alpha-Hexahydrocannabiphorol, 9alpha-HHCP,...
Application: Certified reference material, structurally similar to known phytocannabinoids
MW: 344.54 D
304.00€ *
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3-hydroxy Desalkylgidazepam (CRM)
3-hydroxy Desalkylgidazepam (CRM)

Item number: Cay44031-1

3-hydroxy Desalkylgidazepam (CRM) (Cay-44031) is a certified reference material categorized as a benzodiazepine. 3-hydroxy Desalkylgidazepam is an active metabolite of gidazepam (Cay-36421) and desalkylgidazepam (Cay-40621, Cay-36608). It has been used as a precursor in the synthesis of substituted...
Keywords: 3-hydroxy Bromonordiazepam, 7-bromo-1,3-dihydro-3-hydroxy-5-phenyl-2H-1,4-benzodiazepin-2-one
Application: Certified reference material, benzodiazepine
CAS 37891-18-2
MW: 331.17 D
322.00€ *
Review
(-)-Nicotine (CRM)
(-)-Nicotine (CRM)

Item number: Cay44503-1

Nicotine (CRM) (Cay-44503) is a certified reference material categorized as an alkaloid and nicotinic acetylcholine receptor (nAChR) agonist. Nicotine has addictive properties. This product is intended for analytical forensic applications. This product is also available as a general research tool (Cay-29138,...
Keywords: (-)-(S)-Nicotine, L-Nicotine, 3-[(2S)-1-methyl-2-pyrrolidinyl]-pyridine
Application: Certified reference material, alkaloid / nAChR agonist
CAS 54-11-5
MW: 162.24 D
67.00€ *
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(±)-Sulpiride (CRM)
(±)-Sulpiride (CRM)

Item number: Cay44579-1

(±)-Sulpiride (CRM) (Cay-44579) is a certified reference material categorized as an atypical antipsychotic. Formulations containing (±)-sulpiride have been used in the treatment of schizophrenia, depression, and anxiety. This product is intended for analytical forensic applications. This product is also available as...
Keywords: (R,S)-(±)-Sulpiride, rac-Sulpiride, RD 1403, 5-(aminosulfonyl)-N-[(1-ethyl-2-pyrrolidinyl)methyl]-2-methoxy,benzamide
Application: Certified reference material, atypical antipsychotic, Dopamine D2-receptor antagonist
CAS 15676-16-1
MW: 341.43 D
174.00€ *
Review
25-hydroxy Cholesterol-d2
25-hydroxy Cholesterol-d2

Item number: Cay44828-1

25-hydroxy Cholesterol-d2 is intended for use as an internal standard for the quantification of 25-hydroxy cholesterol (Cay-11097) by GC- or LC-MS. 25-hydroxy Cholesterol is an oxysterol. It is formed from cholesterol by cholesterol-25-hydroxylase, and its production can be induced by inflammation or infection....
Keywords: (3S,8S,9S,10R,13R,14S,17R)-17-((R)-6-hydroxy-6-methylheptan-2-yl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetra...
Application: GC-MS, LC-MS internal standard, quantification, oxysterol
MW: 404.68 D
From 85.00€ *
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(-)-6alpha-hydroxy Cannabidivarin
(-)-6alpha-hydroxy Cannabidivarin

Item number: Cay44839-1

(-)-6alpha-hydroxy Cannabidivarin (Cay-44839) is an analytical reference standard categorized as a phytocannabinoid metabolite. (-)-6alpha-hydroxy Cannabidivarin is a metabolite of cannabidivarin (Cay-20165, Cay-42628, Cay-9001574). This product is intended for research and forensic applications. Synonyms:...
Keywords: 6alpha-hydroxy CBDV, 2-[(1R,4S,6R)-4-hydroxy-3-methyl-6-(1-methylethenyl)-2-cyclohexen-1-yl]-5-propyl-1,3-benzenediol
Application: Analytical reference standard, phytocannabinoid metabolite
CAS 2941235-72-7
MW: 302.41 D
From 235.00€ *
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Cholic Acid (CRM)
Cholic Acid (CRM)

Item number: Cay44866-1

Cholic acid (CRM) (Cay-44866) is a certified reference material categorized as a primary bile acid. It is produced from cholesterol via a multistep process and is involved in the facilitation of digestion and absorption of dietary lipids and fat-soluble vitamins. Increased serum levels of cholic acid are associated...
Keywords: CA, Cholalic Acid, Cholalin, NSC 6135, 5beta-3alpha,7alpha,12alpha-trihydroxy-cholan-24-oic acid
Application: Certified reference material, primary bile acid
CAS 81-25-4
MW: 408.58 D
107.00€ *
Review
Taurodeoxycholic Acid (CRM)
Taurodeoxycholic Acid (CRM)

Item number: Cay44869-100

Taurodeoxycholic acid (CRM) (Cay-44869) is a certified reference material categorized as a taurine-conjugated secondary bile acid. It is produced from cholic acid via gut microbiota followed by taurine conjugation and is involved in the facilitation of digestion and absorption of dietary lipids and fat-soluble...
Keywords: TDCA, 2-[[(3alpha,5beta,12alpha)-3,12-dihydroxy-24-oxocholan-24-yl]amino]-ethanesulfonic acid
Application: Certified reference material, taurine-conjugated secondary bile acid
CAS 516-50-7
MW: 499.71 D
188.00€ *
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Propafenone (hydrochloride)
Propafenone (hydrochloride)

Item number: Cay44945-25

Propafenone (hydrochloride) (Cay-44945) is an analytical reference standard categorized as a class IC antiarrhythmic agent. Propafenone has been associated with accidental and intentional overdose. Formulations containing propafenone have been used in the treatment of cardiac arrhythmias. This product is intended...
Keywords: 1-[2-[2-hydroxy-3-(propylamino)propoxy]phenyl]-3-phenyl-1-propanone, monohydrochloride
Application: Analytical reference standard, class IC antiarrhythmic agent
CAS 34183-22-7
MW: 377.91 D
From 95.00€ *
Review
4 from 273 pages