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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6-fluoro MDA 19
6-fluoro MDA 19

Item number: Cay40803-1

6-fluoro MDA 19 (Cay-40803) is an analytical reference standard that is structurally similar to known synthetic cannabinoids. This product is intended for research and forensic applications.Formal Name: (Z)-N'-(1-(6-fluorohexyl)-2-oxoindolin-3-ylidene)benzohydrazide. Molecular Formula: C21H22FN3O2. Formula Weight:...
Keywords: 6-fluoro BZO-HEXOXIZID, (Z)-N'-(1-(6-fluorohexyl)-2-oxoindolin-3-ylidene)benzohydrazide
Application: Analytical reference standard, structurally similar to known synthetic cannabinoids
MW: 367.4 D
From 109.00€ *
Review
Heptaminol (hydrochloride)
Heptaminol (hydrochloride)

Item number: Cay40849-10

Heptaminol (hydrochloride) (Cay-40849) is an analytical reference standard categorized as a cardiac stimulant. Heptaminol has been found in performance-enhancing drug (PED) samples seized by law enforcement. This product is intended for research and forensic applications.Formal Name: 6-amino-2-methyl-2-heptanol,...
Keywords: Cardiosintol, Cortensor, RP 2831, 6-amino-2-methyl-2-heptanol, monohydrochloride
Application: Analytical reference standard, cardiac stimulant, vasodilator (coronary)
CAS 543-15-7
MW: 181.7 D
From 52.00€ *
Review
Uracil-13C4,15N2
Uracil-13C4,15N2

Item number: Cay41125-1

Uracil-13C4,15N2 is intended for use as an internal standard for the quantification of uracil (Cay-26088) by GC- or LC-MS. Uracil is a pyrimidine base and a fundamental component of RNA where it binds to adenine via hydrogen bonds. It is converted into the nucleoside uridine through the addition of a ribose moiety,...
Keywords: 2,4(1H,3H)-pyrimidinedione-2,4,5,6-13C4-1,3-15N2
Application: GC-MS, LC-MS internal standard, quantification, pyrimidine base
CAS 202407-06-5
MW: 118.1 D
From 119.00€ *
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Vardenafil (CRM)
Vardenafil (CRM)

Item number: Cay41134-1

Vardenafil (CRM) (Cay-41134) is a certified reference material categorized as a phosphodiesterase 5 (PDE5) and PDE6 inhibitor. Vardenafil has been found as an adulterant in products marketed as herbal supplements. This product is intended for research and forensic applications. This product is also available as a...
Keywords: 2-[2-ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-5-methyl-7-propyl-imidazo[5,1-f][1,2,4]triazin-4(1H)-one
Application: Certified reference material, PDE5/PDE6 inhibitor
CAS 224785-90-4
MW: 488.6 D
208.00€ *
Review
2-fluoro Deschloroketamine (hydrochloride) (CRM)
2-fluoro Deschloroketamine (hydrochloride) (CRM)

Item number: Cay41176-1

2-fluoro Deschloroketamine (Cay-41176) is a certified reference material categorized as an arylcyclohexylamine. 2-fluoro Deschloroketamine induces self-administration in rats. This product is intended for research and forensic applications.Formal Name: 2-(2-fluorophenyl)-2-(methylamino)-cyclohexanone,...
Keywords: 2-FDCK, 2-(2-fluorophenyl)-2-(methylamino)-cyclohexanone, monohydrochloride
Application: Certified reference material, arylcyclohexylamine
CAS 111982-49-1
MW: 257.7 D
254.00€ *
Review
Guanine-15N5
Guanine-15N5

Item number: Cay41180-1

Guanine-15N5 is intended for use as an internal standard for the quantification of guanine (Cay-34248) by GC- or LC-MS. Guanine is a purine base. It forms complementary base pairs with the pyrimidine cytosine in DNA and RNA. Guanine can be linked to ribose via a beta-N9-glycosidic bond to form the purine nucleoside...
Keywords: 2-(amino-15N)-1,7-dihydro-6H-purin-6-one-1,3,7,9-15N4
Application: GC-MS, LC-MS internal standard, quantification, purine base
CAS 168566-53-8
MW: 156.1 D
From 187.00€ *
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Delta8-Tetrahydrocannabivarin (Alt. Batch CRM)
Delta8-Tetrahydrocannabivarin (Alt. Batch CRM)

Item number: Cay41218-1

This product is intended for customers who require an alternate batch for Delta8-tetrahydrocannabivarin (CRM) (Cay-38795). Delta8-Tetrahydrocannabivarin (Alt. Batch CRM) (Cay-41218) is a certified reference material categorized as a phytocannabinoid. Delta8-Tetrahydrocannabivarin is regulated as a Schedule I...
Keywords: Delta8-THCV, Delta8-THV, 6aR,7,10,10aR-tetrahydro-6,6,9-trimethyl-3-propyl-6H-dibenzo[b,d]pyran-1-ol
Application: Alternate Delta8-tetrahydrocannabivarin batch
CAS 31262-38-1
MW: 286.4 D
327.00€ *
Review
Delta9-THCP (Alt. Batch CRM)
Delta9-THCP (Alt. Batch CRM)

Item number: Cay41267-1

This product is intended for customers who require an alternate batch for Delta9-THCP (CRM) (Cay-33691). Delta9-THCP (Alt. Batch CRM) (Cay-41267) is a certified reference material categorized as a phytocannabinoid. Delta9-THCP has been found in Cannabis. Delta9-THCP is regulated as a Schedule I compound in the...
Keywords: Delta9-Tetrahydrocannabiphorol, Delta9-THC-C7, Delta9-THC-heptyl,...
Application: Alternate Delta9-THCP batch
CAS 54763-99-4
MW: 342.5 D
245.00€ *
Review
Vitamin K3-d8
Vitamin K3-d8

Item number: Cay41285-10

Vitamin K3-d8 is intended for use as an internal standard for the quantification of vitamin K3 (Cay-15950) by GC- or LC-MS. Vitamin K3 is a synthetic form of vitamin K. It is an inhibitor of human tissue transglutaminase 2 (TGM2, IC50 = 2.2 µM). Vitamin K3 induces cell death in six neuroblastoma cell lines (IC50s =...
Keywords: Menadione-d8, 2-methyl-d3-1,4-naphthalenedione-2,5,6,7,8-d5
Application: GC-MS, LC-MS internal standard, quantification, vitamin
CAS 478171-80-1
MW: 180.2 D
From 262.00€ *
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Lurasidone (hydrochloride) (CRM)
Lurasidone (hydrochloride) (CRM)

Item number: Cay41305-1

Lurasidone (hydrochloride) (CRM) (Cay-41305) is a certified reference material categorized as an atypical antipsychotic. Lurasidone has been abused and associated with overdose. Formulations containing lurasidone have been used in the treatment of schizophrenia. This product is intended for analytical forensic...
Keywords: (3aR,4S,7R,7aS)-2-[[(1R,2R)-2-[[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]methyl]cyclohexyl]methyl]hexahydro-4,7-methano-1...
Application: Certified reference material, atypical antipsychotic, HTR2 / DRD2 modulator
CAS 367514-88-3
MW: 529.1 D
236.00€ *
Review
MDMB-BUTINACA-d9
MDMB-BUTINACA-d9

Item number: Cay41433-1

MDMB-BUTINACA-d9 (Cay-41433) is intended for use as an internal standard for the quantification of MDMB-BUTINACA (Cay-28739) by GC- or LC-MS. MDMB-BUTINACA is structurally similar to known synthetic cannabinoids. This product is intended for research and forensic applications.Formal Name:...
Keywords: N-[(1-butyl-d9-1H-indazol-3-yl)carbonyl]-3-methyl-L-valine, methyl ester
Application: GC-MS, LC-MS internal standard, quantification, structurally similar to known synthetic cannabinoids
MW: 354.5 D
From 200.00€ *
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NHI-D Mix
NHI-D Mix

Item number: Cay41447-10

NHI-D mix contains five fatty acid methyl esters (FAMEs). This product is intended as a reference standard for the detection of these FAMEs in various sample types by GC-MS. This mixture is supplied in an amber ampule in which the headspace has been purged with nitrogen/argon to prevent lipid oxidation. [Matreya,...
Application: GC-MS, quantification, FAME (fatty acid methyl ester) mixture
From 61.00€ *
Review
2 from 229 pages