Reference Standards

Often overlooked is the importance of reference standards in performing quantitative assays. A well characterized reference standard in combination with robust methodology will deliver accurate and precise analytical results.

Often overlooked is the importance of reference standards in performing quantitative assays. A well characterized reference standard in combination with robust methodology will deliver accurate... read more »
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Reference Standards

Often overlooked is the importance of reference standards in performing quantitative assays. A well characterized reference standard in combination with robust methodology will deliver accurate and precise analytical results.

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2-Arachidonoyl Glycerol-d5
2-Arachidonoyl Glycerol-d5

Item number: Cay362162-100

2-Arachidonoyl glycerol-d5 (2-AG-d5) contains five deuterium atoms at the 1, 1, 2, 3, and 3 positions of the glycerol moiety. It is intended for use as an internal standard for the quantification of 2-AG by GC- or LC-mass spectrometry. 2-Arachidonoyl glycerol (2-AG) is an endogenous agonist of the CB1 receptor....
Keywords: 2-AG-d5, 5Z,8Z,11Z,14Z-eicosatetraenoic acid, 2-glycerol-1,1,2,3,3-d5 ester
Application: Standard
MW: 383.6 D
From 65.00€ *
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alpha-Bungarotoxin
alpha-Bungarotoxin

Item number: Cay16385-1

alpha-Bungarotoxin is a snake venom-derived toxin that irreversibly binds nicotinic acetylcholine receptors (Ki = ~2.5 µM in rat) present in skeletal muscle, blocking action of acetylcholine at the postsynaptic membrane and leading to paralysis. It has been widely used to characterize activity at the neuromuscular...
Keywords: alpha-Bgt, alpha-BTX, alpha-bungarotoxin
Application: Irreversible nicotinic acetylcholine receptor blocker
CAS 11032-79-4
MW: 7984.2 D
187.00€ *
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MPP+ Iodide
MPP+ Iodide

Item number: Cay16958-50

MPP+ is an active metabolite of MPTP (Cay-16377), a neurotoxin used to cause selective destruction of dopaminergic neurons in animal models of parkinsonism. MPP+ induces neurotoxicity primarily by inhibiting complex I of the mitochondrial electron transport chain, resulting in ATP depletion and increased oxidative...
Keywords: N-Methyl-4-Phenylpyridinium Iodide, 1-methyl-4-phenyl-pyridinium, monoiodide
Application: Neurotoxin, Oxidative stress inducer
CAS 36913-39-0
MW: 297.1 D
From 48.00€ *
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Thromboxane B2 MaxSpec(R) Standard
Thromboxane B2 MaxSpec(R) Standard

Item number: Cay10007237-100

Thromboxane B2 (TXB2) is a stable, biologically inert metabolite formed from the non-enzymatic hydrolysis of TXA2, which has a half-life of about 30 seconds. Urinary analysis of TXB2 accurately reflects intrarenal TXA2 synthesis, while measurement of 11-dehydro and 2,3-dinor TX metabolites gives the best estimate of...
Keywords: TXB2, 9alpha,11,15S-trihydroxythromba-5Z,13E-dien-1-oic acid
Application: Bioactive lipid assays
CAS 54397-85-2
MW: 370.5 D
119.00€ *
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Apicidin
Apicidin

Item number: Cay10575-1

Histone acetyltransferase and histone deacetylase (HDAC) activity regulates the reversible acetylation of lysine residues within histone tails, which results in either transcriptional activation or repression of nearby genes. Compounds that modulate this activity are of interest in cancer chemotherapeutics as well...
Keywords: OSI 2040, cyclo[(2S)-2-amino-8-oxodecanoyl-1-methoxy-L-tryptophyl-L-isoleucyl-(2R)-2-piperidinecarbonyl]
Application: HDAC inhibitor
CAS 183506-66-3
MW: 623.8 D
From 59.00€ *
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Prostaglandin E2-d9
Prostaglandin E2-d9

Item number: Cay10581-50

PGE2-d9 contains nine deuterium atoms at the 17, 17', 18, 18', 19, 19', 20, 20, and 20' positions. It is intended for use as an internal standard for the quantification of PGE2 by GC- or LC-mass spectrometry (MS). PGE2 is one of the primary cyclooxygenase products of arachidonic acid and one of the most widely...
Keywords: Dinoprostone-d9, PGE2-d9, 9-oxo-11alpha,15S-dihydroxy-prosta-5Z,13E-dien-1-oic-17,17,18,18,19,19,20,20,20-d9 acid
Application: Standard
CAS 1356347-42-6
MW: 361.5 D
From 64.00€ *
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Cytochalasin B
Cytochalasin B

Item number: Cay11328-10

Cytochalasin B is a cell-permeable mycotoxin which binds to the barbed end of actin, reversibly inhibiting the elongation and shortening of actin filaments. By disrupting actin polymerization, cytochalasin B blocks diverse cellular functions, including cell division, migration, phagocytosis, exocytosis, chemotaxis,...
Keywords: NSC 107658, Phomin,...
Application: Mycotoxin
CAS 14930-96-2
MW: 479.6 D
From 44.00€ *
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Prostaglandin D2-d4
Prostaglandin D2-d4

Item number: Cay312010-25

Prostaglandin D2-d4 (PGD2-d4) contains four deuterium atoms at the 3, 3', 4, and 4' positions. It is intended for use as an internal standard for the quantification of PGD2 by GC- or LC-mass spectrometry. PGD2 is the major eicosanoid product of mast cells and is released in large quantities during allergic and...
Keywords: PGD2-d4, 9alpha,15S-dihydroxy-11-oxo-prosta-5Z,13E-dien-1-oic-3,3,4,4-d4 acid
Application: Standard
CAS 211105-29-2
MW: 356.5 D
From 94.00€ *
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Prostaglandin E2-d4
Prostaglandin E2-d4

Item number: Cay314010-50

Prostaglandin E2-d4 (PGE2-d4) contains four deuterium atoms at the 3, 3', 4, and 4' positions. It is intended for use as an internal standard for the quantification of PGE2 by GC- or LC-mass spectrometry. PGE2 is one of the primary cyclooxygenase products of arachidonic acid and one of the most widely investigated...
Keywords: Dinoprostone-d4, PGE2-d4, 9-oxo-11alpha,15S-dihydroxy-prosta-5Z,13E-dien-1-oic-3,3,4,4-d4 acid
Application: Standard
CAS 34210-10-1
MW: 356.5 D
From 67.00€ *
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Prostaglandin F2alpha-d4
Prostaglandin F2alpha-d4

Item number: Cay316010-25

Prostaglandin F2alpha-d4 (PGF2alpha-d4) contains four deuterium atoms at the 3, 3', 4, and 4' positions. It is intended for use as an internal standard for the quantification of PGF2alpha (Cay-16010) by GC- or LC-mass spectrometry. PGF2alpha is a widely distributed prostaglandin occurring in many species. It causes...
Keywords: Dinoprost-d4, PGF2alpha-d4, 9alpha,11alpha,15S-trihydroxy-prosta-5Z,13E-dien-1-oic-3,3,4,4-d4 acid
Application: Standard
CAS 34210-11-2
MW: 358.5 D
From 44.00€ *
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13(S)-HODE-d4
13(S)-HODE-d4

Item number: Cay338610-25

13(S)-HODE-d4 contains four deuterium atoms at the 9, 10, 12, and 13 positions. It is intended for use as an internal standard for the quantification of 13(S)-HODE by GC- or LC-mass spectrometry. 13(S)-HODE is produced by incubation of linoleic acid with plant and mammalian lipoxygenases. It has been shown to...
Keywords: 13S-hydroxy-9Z,11E-octadecadienoic-9,10,12,13-d4 acid
Application: Standard
CAS 139408-39-2
MW: 300.5 D
From 138.00€ *
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Arachidonic Acid-d8
Arachidonic Acid-d8

Item number: Cay390010-1

Arachidonic acid-d8 contains eight deuterium atoms at the 5, 6, 8, 9, 11, 12, 14, and 15 positions. It is intended for use as an internal standard for the quantification of arachidonic acid by GC- or LC-mass spectrometry. Arachidonic acid is an essential fatty acid and a precursor for all prostaglandins,...
Keywords: AA-d8, 5Z,8Z,11Z,14Z-eicosatetraenoic-5,6,8,9,11,12,14,15-d8 acid
Application: Standard
CAS 69254-37-1
MW: 312.5 D
From 115.00€ *
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