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 MaxSpecTM standards as well as stable, isotope-labeled (deuterated) compounds. You will also find Cayman Chemical's synthesised forensic analytical standards, including synthetic cannabinoids, cathinones, phenethylamines, amphetamines, indans, opioids, benzodiazepines, tryptamines and phytocannabinoids, among many others. Cayman Chemical has more than 40 years of experience in the synthesis, purification and characterization of biochemicals and supplies its high-purity (certified) reference materials to federally licensed laboratories and qualified academic research institutions for forensic analyses.

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 MaxSpecTM standards as well as stable, isotope-labeled (deuterated) compounds. You will also find Cayman Chemical's synthesised forensic analytical standards, including synthetic cannabinoids, cathinones, phenethylamines, amphetamines, indans, opioids, benzodiazepines, tryptamines and phytocannabinoids, among many others. Cayman Chemical has more than 40 years of experience in the synthesis, purification and characterization of biochemicals and supplies its high-purity (certified) reference materials to federally licensed laboratories and qualified academic research institutions for forensic analyses.

2 from 220 pages
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Ouabain-d3
Ouabain-d3

Item number: Cay40168-1

Ouabain-d3 is intended for use as an internal standard for the quantification of ouabain by GC- or LC-MS. Ouabain is a cardiac glycoside that has been found in S. gratus and has diverse biological activities. It inhibits the Na+/K+-ATPase isoforms alpha1beta1 and alpha2beta1 and human-ether-a-go-go (hERG), also...
Keywords: g-Strophanthin-d3,...
Application: GC-MS, LC-MS internal standard, quantification, cardiac glycoside
MW: 587.7 D
502.00€ *
Review
Nortriptyline (hydrochloride) (CRM)
Nortriptyline (hydrochloride) (CRM)

Item number: Cay19042-1

Nortriptyline (hydrochloride) (CRM) (Cay-19042) is a certified reference material categorized as an antidepressant. Nortriptyline is an active metabolite of amitriptyline (Cay-19031, Cay-19029). It decreases immobility time in the forced swim test in rats and has antinociceptive activity in mice. Nortriptyline...
Keywords: 3-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl-1-propanamine, monohydrochloride
Application: Certified reference material categorized, antidepressant, SNRI
CAS 894-71-3
MW: 299.8 D
36.00€ *
Review
Prednisolone-d7
Prednisolone-d7

Item number: Cay35162-1

Prednisolone-d7 is intended for use as an internal standard for the quantification of prednisolone (Cay-20866) by GC- or LC-MS. Prednisolone is a glucocorticoid and mineralocorticoid receptor agonist and an active metabolite of the prodrugs and synthetic glucocorticoids prednisolone phosphate (Cay-15933) and...
Keywords: 11beta,17,21-trihydroxy-pregna-1,4-diene-3,20-dione-2,4,6,9,11,12,12-d7
Application: GC-MS, LC-MS internal standard, quantification, glucocorticoid receptor agonist
MW: 367.5 D
From 267.00€ *
Review
Thiamethoxam-d3
Thiamethoxam-d3

Item number: Cay35685-1

Thiamethoxam-d3 is intended for use as an internal standard for the quantification of thiamethoxam (Cay-25784) by GC- or LC-MS. Thiamethoxam is a neonicotinoid insecticide and a prodrug form of the neonicotinoid insecticide clothianidin (Cay-29605). It binds to nicotinic acetylcholine receptors (nAChRs) with low...
Keywords: 3-[(2-chloro-5-thiazolyl)methyl]tetrahydro-5-(methyl-d3)-N-nitro-4H-1,3,5-oxadiazin-4-imine
Application: GC-MS, LC-MS internal standard, quantification, neonicotinoid insecticide
CAS 1294048-82-0
MW: 294.7 D
From 101.00€ *
Review
4-Nonylphenol-2,3,5,6-d4
4-Nonylphenol-2,3,5,6-d4

Item number: Cay39497-1

4-Nonylphenol-2,3,5,6-d4 is intended for use as an internal standard for the quantification of 4-nonylphenol by GC- or LC-MS. 4-Nonylphenol is a degradation product of the nonionic surfactant nonylphenol ethoxylate and an endocrine disruptor. It induces estrogen receptor alpha (ERalpha) reporter gene expression in...
Keywords: 4-NP-2,3,5,6-d4, NPH-2,3,5,6-d4, 4-nonyl-phen-2,3,4,5-d4-ol
Application: GC-MS, LC-MS internal standard, quantification, nonionic surfactant degradation product
CAS 1173019-62-9
MW: 224.4 D
From 34.00€ *
Review
Aldicarb-d3
Aldicarb-d3

Item number: Cay39580-1

Aldicarb-d3 is intended for use as an internal standard for the quantification of aldicarb (Cay-18466) by GC- or LC-MS. Aldicarb is a carbamate pesticide. It is an acetylcholinesterase (AChE) inhibitor with an IC50 value of 5 µM. Aldicarb induces mortality in the two-spotted spider mite (T. urticae) with an LC50...
Keywords: 2-methyl-2-(methylthio)-Propionaldehyde-d3, 2-methyl-2-(methylthio)propanal O-((methyl-d3)carbamoyl) oxime
Application: GC-MS, LC-MS internal standard, quantification, carbamate pesticide
CAS 1795142-83-4
MW: 193.3 D
From 133.00€ *
Review
C18 Ganglioside GM2-d7 (d18:1/18:0-d7) (ammonium salt, synthetic)
C18 Ganglioside GM2-d7 (d18:1/18:0-d7) (ammonium salt,...

Item number: Cay39641-250

C18 Ganglioside GM2-d7 (d18:1/18:0-d7) is intended for use as an internal standard for the quantification of C18 ganglioside GM2 by GC- or LC-MS. C18 Ganglioside GM2 is a monosialylated ganglioside found in the mammalian brain where it is localized to the cell membrane. It accumulates in Tay-Sachs and Sandhoff...
Keywords: C18 GM2-d7, Monosialoganglioside GM2-d7, N-omega-CD7-Octadecanoyl monosialoganglioside GM2, N-Stearoyl...
Application: GC-MS, LC-MS internal standard, quantification, monosialylated ganglioside
MW: 1408.8 D
1,138.00€ *
Review
Myristic Acid-d7
Myristic Acid-d7

Item number: Cay39859-10

Myristic acid-d7 is intended for use as an internal standard for the quantification of myristic acid (Cay-13351) 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 glycine of...
Keywords: C14:0-d7, Tetradecanoic Acid-d7, tetradecanoic-12,12,13,13,14,14,14-d7 acid
Application: GC-MS, LC-MS internal standard, quantification, 14-carbon saturated fatty acid
MW: 235.4 D
From 65.00€ *
Review
Benzydamine-d6 (hydrochloride)
Benzydamine-d6 (hydrochloride)

Item number: Cay40112-1

Benzydamine-d6 is intended for use as an internal standard for the quantification of benzydamine by GC- or LC-MS. Benzydamine is a non-steroidal anti-inflammatory drug (NSAID). It inhibits LPS-induced TNF-alpha and IL-1beta production in isolated human peripheral blood mononuclear cells (PBMCs) when used at...
Keywords: N,N-dimethyl-3-[[1-(phenylmethyl-d6)-1H-indazol-3-yl]oxy]-1-propanamine, monohydrochloride
Application: GC-MS, LC-MS internal standard, quantification, non-steroidal anti-inflammatory drug (NSAID)
CAS 1246817-20-8
MW: 351.9 D
267.00€ *
Review
Mirtazapine-d3
Mirtazapine-d3

Item number: Cay40121-1

Mirtazapine-d3 is intended for use as an internal standard for the quantification of mirtazapine by GC- or LC-MS. Mirtazapine is a tetracyclic antidepressant. It selectively binds to the histamine H1 receptor, alpha2A- and alpha2C-adrenergic receptors, and the serotonin (5-HT) receptor subtypes 5-HT2A and 5-HT2C...
Keywords: 6-Azamianserin-d3, 1,2,3,4,10,14b-hexahydro-2-(methyl-d3)-pyrazino[2,1-a]pyrido[2,3-c][2]benzazepine
Application: GC-MS, LC-MS internal standard, quantification, tetracyclic antidepressant
CAS 1216678-68-0
MW: 268.4 D
502.00€ *
Review
Spironolactone-d3
Spironolactone-d3

Item number: Cay40124-1

Spironolactone-d3 is intended for use as an internal standard for the quantification of spironolactone by GC- or LC-MS. Spironolactone is a steroidal mineralocorticoid receptor antagonist (IC50 = 24 nM) and a diuretic. It is selective for the mineralocorticoid receptor over the glucocorticoid receptor (IC50 = 2,410...
Keywords: S-((7R,8R,9S,10R,13S,14S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[c...
Application: GC-MS, LC-MS internal standard, quantification, steroidal mineralocorticoid receptor antagonist
MW: 419.6 D
302.00€ *
Review
Acetazolamide-d3
Acetazolamide-d3

Item number: Cay40125-1

Acetazolamide-d3 is intended for use as an internal standard for the quantification of acetazolamide by GC- or LC-MS. Acetazolamide is an inhibitor of carbonic anhydrase I (CAI), CAII, CAIX, and CAXII (Kis = 310, 12, 25, and 5.7 nM, respectively, for the human enzymes). It inhibits the migration and invasion of...
Keywords: N-[5-(aminosulfonyl)-1,3,4-thiadiazol-2-yl]-acetamide-2,2,2-d3
Application: GC-MS, LC-MS internal standard, quantification, carbonic anhydrase I, II, IX, XII inhibitor
CAS 1189904-01-5
MW: 225.3 D
435.00€ *
Review
2 from 220 pages