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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Thozalinone
Thozalinone

Item number: Cay22767-10

Thozalinone (Cay22767) is an analytical reference standard categorized as a stimulant. This product is intended for research and forensic applications.. SMILES: O=C1C(C2=CC=CC=C2)OC(N(C)C)=N1. InChi Code: InChI=1S/C11H12N2O2/c1-13(2)11-12-10(14)9(15-11)8-6-4-3-5-7-8/h3-7,9H,1-2H3. InChi Key: JJSHYECKYLDYAR-UHFFFAOYSA-N
Keywords: CL-39808, NSC 170962, Stimsen, 2-(dimethylamino)-5-phenyl-4(5H)-oxazolone
Application: Analytical reference standard, stimulant, antidepressant
CAS 655-05-0
MW: 204.2 D
From 97.00€ *
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C16 Ceramide-d7 (d18:1-d7/16:0)
C16 Ceramide-d7 (d18:1-d7/16:0)

Item number: Cay22787-100

C16 Ceramide-d7 is intended for use as an internal standard for the quantification of C16 ceramide (d18:1/16:0) by GC- or LC-MS. C16 Ceramide is a sphingolipid. It incorporates into the mitochondrial outer membrane and forms channels that increase its permeability. C16 Ceramide levels are increased by PPMP or MAPP...
Keywords: Ceramide-d7 (d18:1-d7/16:0), Cer-d7 (d18:1-d7/16:0), N-hexadecanoyl-D-erythro-Sphingosine-d7,...
Application: GC-MS, LC-MS, internal standard
CAS 1840942-13-3
MW: 545 D
From 174.00€ *
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25CN-NBOH (hydrochloride)
25CN-NBOH (hydrochloride)

Item number: Cay28895-10

25CN-NBOH (hydrochloride) (Cay28895) is an analytical reference standard categorized as a phenethylamine. 25CN-NBOH induces the head-twitch response (HTR) in mice, indicating hallucinogenic potential. This product is intended for research and forensic applications.. SMILES:...
Keywords: NBOH-2C-CN, 4-[2-[[(2-hydroxyphenyl)methyl]amino]ethyl]-2,5-dimethoxy-benzonitrile, monohydrochloride
Application: Analytical reference standard, phenethylamine
CAS 1539266-32-4
MW: 348.82 D
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2C-EF (hydrochloride)
2C-EF (hydrochloride)

Item number: Cay41890-1

2C-EF (hydrochloride) (Cay41890) is an analytical reference standard categorized as a phenethylamine. 2C-EF has been found in samples seized by law enforcement.1 This product is intended for research and forensic applications.. SMILES: FCCC1=CC(OC)=C(CCN)C=C1OC.Cl. InChi Code:...
Keywords: 4-(2-Fluoroethyl)-2,5-dimethoxyphenethylamine, 4-(2-fluoroethyl)-2,5-dimethoxy-benzeneethanamine, monohydrochloride
Application: Analytical reference standard, phenethylamine
MW: 263.74 D
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Fluoprazolam
Fluoprazolam

Item number: Cay44313-1

Fluoprazolam (Cay44313) is an analytical reference standard categorized as a benzodiazepine. This product is intended for research and forensic applications.. SMILES: O=C1N2C3=CC=C([N+]([O-])=O)C=C3C(C4=C(C=CC=C4)F)=NCC2=N/C1=C\N5CCN(CC5)C. InChi Code:...
Keywords: Fluloprazolam,...
Application: Analytical reference standard, benzodiazepine
CAS 63146-74-7
MW: 448.46 D
From 222.00€ *
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Pynazolam
Pynazolam

Item number: Cay44567-1

Pynazolam (Cay44567) is an analytical reference standard categorized as a benzodiazepine. This product is intended for research and forensic applications.. SMILES: CC1=NN=C2CN=C(C3=CC=CC=N3)C4=C(C=CC([N+]([O-])=O)=C4)N21. InChi Code:...
Keywords: 1-methyl-8-nitro-6-(2-pyridinyl)-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine
Application: Analytical reference standard, benzodiazepine
CAS 2034366-97-5
MW: 320.31 D
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CE-123
CE-123

Item number: Cay44784-10

CE-123 (Cay44784) is an analytical reference standard that is structurally similar to known nootropics. This product is intended for research and forensic applications. SMILES: O=S(CC1=CN=CS1)C(C2=CC=CC=C2)C3=CC=CC=C3. InChi Code:...
Keywords: 5-[[(diphenylmethyl)sulfinyl]methyl]-thiazole
Application: Analytical reference standard, structurally similar to known nootropics
CAS 1879038-73-9
MW: 313.43 D
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Lithocholic Acid (CRM)
Lithocholic Acid (CRM)

Item number: Cay44907-1

Lithocholic acid (CRM) (Cay44907) is a certified reference material categorized as a secondary bile acid. Exogenously administered lithocholic acid induces cholestasis and hepatoxicity in animals. Plasma levels of lithocholic acid are increased in patients with Alzheimer's disease but not patients with mild...
Keywords: 3alpha-hydroxy Cholanic Acid, LCA, Lithocholate, NSC 683770, (3alpha,5beta)-3-hydroxy-cholan-24-oic acid
Application: Certified reference material, secondary bile acid
CAS 434-13-9
MW: 376.58 D
124.00€ *
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Ursodeoxycholic Acid (CRM)
Ursodeoxycholic Acid (CRM)

Item number: Cay44908-1

Ursodeoxycholic acid (CRM) (Cay44908) is a certified reference material categorized as a secondary bile acid. Ursodeoxycholic acid comprises a small proportion of human bile acids. The ratio of serum ursodeoxycholic acid to chenodeoxycholic acid is increased in children with food allergy compared to children with...
Keywords: NSC 683769, UDCA, Ursodiol, (3alpha,5beta,7beta)-3,7-dihydroxy-cholan-24-oic acid
Application: Certified reference material, secondary bile acid
CAS 128-13-2
MW: 392.58 D
110.00€ *
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Dihydrocannabinodiol
Dihydrocannabinodiol

Item number: Cay45100-1

Dihydrocannabinodiol (Cay45100) is an analytical reference standard that is structurally similar to known phytocannabinoids. This product is intended for research and forensic applications.. SMILES: OC1=C(C2=C(C(C)C)C=CC(C)=C2)C(O)=CC(CCCCC)=C1. InChi Code:...
Keywords: 8,9-Dihydrocannabinodiol, DHCBND, H2CBD, HCDN, 5'-methyl-2'-(1-methylethyl)-4-pentyl-[1,1'-biphenyl]-2,6-diol
Application: Analytical reference standard, structurally similar to known phytocannabinoids
CAS 2488614-26-0
MW: 312.45 D
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ADB-5en-HEXINACA
ADB-5en-HEXINACA

Item number: Cay45121-1

ADB-5en-HEXINACA (Cay45121) is an analytical reference standard categorized as a synthetic cannabinoid. This product is intended for research and forensic applications.. SMILES: O=C(N[C@@H](C(C)(C)C)C(N)=O)C1=NN(CCCCC=C)C2=C1C=CC=C2. InChi Code:...
Keywords: ADMB-5en-HINACA, ADMB-5en-HEXINACA, (S)-N-(1-amino-3,3-dimethyl-1-oxobutan-2-yl)-1-(hex-5-en-1-yl)-1H-indazole-3-carboxamide
Application: Analytical reference standard, synthetic cannabinoid
MW: 356.47 D
From 104.00€ *
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MADB-4en-PINACA
MADB-4en-PINACA

Item number: Cay45215-1

MADB-4en-PINACA (Cay45215) is an analytical reference standard that is structurally similar to known synthetic cannabinoids. This product is intended for research and forensic applications.. SMILES: O=C(N[C@H](C(NC)=O)C(C)(C)C)C1=NN(CCCC=C)C2=C1C=CC=C2. InChi Code:...
Keywords: ADB-PINACA N1-pentyl-4en isomer, MADMB-4en-PINACA, MeADB-4en-PINACA, MMAB-4en-PINACA,...
Application: Analytical reference standard, structurally similar to known synthetic cannabinoids
MW: 356.47 D
From 116.00€ *
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