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Glycolithocholic Acid (CRM)
Item number: Cay45115-100
Glycolithocholic acid (CRM) (Cay45115) is a certified reference material categorized as a conjugated bile acid. It is a glycine-conjugated form of the secondary bile acid lithocholic acid (Cay44907, Cay20253). Serum glycolithocholic acid levels increase with age in children. This product is intended for use in...
| Keywords: | GLCA, Lithocholylglycine, N-[(3alpha,5beta)-3-hydroxy-24-oxocholan-24-yl]-glycine |
| Application: | Certified reference material, conjugated bile acid |
| CAS | 474-74-8 |
| MW: | 433.63 D |
208.00€
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Noscapine (hydrochloride) (CRM)
Item number: Cay45140-1
Noscapine (hydrochloride) (CRM) (Cay45140) is a certified reference material categorized as an opiate alkaloid and antitussive. It has been found in P. somniferum, the opium poppy, and unlike codeine and morphine, noscapine lacks sedative and hypnotic properties. This product is intended for analytical forensic...
| Keywords: | Narcotine, Opianine,... |
| Application: | Certified reference material, opiate alkaloid, antitussive |
| CAS | 912-60-7 |
| MW: | 449.88 D |
166.00€
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Hyodeoxycholic Acid (CRM)
Item number: Cay45166-1
Hyodeoxycholic acid (CRM) (Cay45166) is a certified reference material categorized as a secondary bile acid. Serum levels of hyodeoxycholic acid are increased in patients with Crohn's disease or ulcerative colitis. Hyodeoxycholic acid serum levels are also increased after Roux-en-Y gastric bypass (RYGB) surgery in...
| Keywords: | HDCA, NSC 60672, alpha-Hyodeoxycholic Acid, (5beta)-3alpha,6alpha-dihydroxy-cholan-24-oic acid |
| Application: | Certified reference material, secondary bile acid |
| CAS | 83-49-8 |
| MW: | 392.58 D |
124.00€
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alpha-hydroxy Ethylflualprazolam
Item number: Cay45634-1
alpha-hydroxy Ethylflualprazolam (Cay45634) is an analytical reference standard categorized as a benzodiazepine. alpha-hydroxy Ethylflualprazolam is a potential metabolite of ethylflualprazolam (Cay44429) based on the published metabolism of flualprazolam (Cay25577, Cay24481). At the time alpha-hydroxy...
| Keywords: | 1-(8-chloro-6-(2-fluorophenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-1-yl)ethan-1-ol |
| Application: | Analytical reference standard, benzodiazepine |
| MW: | 356.79 D |
From 174.00€
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beta-hydroxy Ethylflualprazolam
Item number: Cay45635-1
beta-hydroxy Ethylflualprazolam (Cay45635) is an analytical reference standard categorized as a benzodiazepine. beta-hydroxy Ethylflualprazolam is a potential metabolite of ethylflualprazolam (Cay44429) based on the published metabolism of flualprazolam (Cay25577, Cay24481). At the time beta-hydroxy...
| Keywords: | 2-(8-chloro-6-(2-fluorophenyl)-4H-benzo[f][1,2,4]triazolo[4,3-a][1,4]diazepin-1-yl)ethan-1-ol |
| Application: | Analytical reference standard, benzodiazepine |
| MW: | 356.79 D |
From 174.00€
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(S)-6-Methylnicotine
Item number: Cay45678-1
(S)-6-Methylnicotine (Cay45678) is an analytical reference standard categorized as an alkaloid and nicotinic acetylcholine receptor (nAChR) agonist. (S)-6-Methylnicotine has been found in e-cigarette products and pouches and in cured leaf tobacco marketed as additive free, as well as other tobacco products. This...
| Keywords: | 1'-methyl Nicotine, 6-MN, 2-methyl-5-[(2S)-1-methyl-2-pyrrolidinyl]-pyridine |
| Application: | Analytical reference standard, alkaloid, nAChR agonist |
| CAS | 13270-56-9 |
| MW: | 176.26 D |
From 33.00€
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Malonic Acid-d4
Item number: Cay45689-10
Malonic acid-d4 is intended for use as an internal standard for the quantification of malonic acid by GC- or LC-MS. Malonic acid is a dicarboxylic acid. At physiological pH, malonic acid is deprotonated to malonate, which competitively inhibits mitochondrial complex II, also known as succinate dehydrogenase, or is...
| Keywords: | C3:0-d4, FA 3:1,O2-d4, Propanedioic Acid-d4, acid-1,3-d2, propanedioic-2,2-d2 |
| Application: | GC-MS, LC-MS, internal standard, quantification |
| CAS | 813-56-9 |
| MW: | 108.09 D |
From 64.00€
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Campesterol-d7
Item number: Cay45690-1
Campesterol-d7 is intended for use as an internal standard for the quantification of campesterol (Cay41695) by GC- or LC-MS. Campesterol is a phytosterol that has been found in D. innoxia and has diverse biological activities. It inhibits basic FGF-induced proliferation in, and vessel formation by, human umbilical...
| Keywords: | (3beta,24xi)-ergost-5-en-25,26,26,26,27,27,27-d7-3-ol |
| Application: | GC-MS, LC-MS, internal standard, quantification |
| CAS | 2483832-11-5 |
| MW: | 407.73 D |
From 64.00€
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Sitosterol-d7
Item number: Cay45691-1
Sitosterol-d7 is intended for use as an internal standard for the quantification of beta-sitosterol and gamma-sitosterol by GC- or LC-MS. Sitosterol-d7 is a mixture of the diastereomers beta- and gamma-sitosterol that contain seven deuterium atoms. beta- and gamma-sitosterol are phytosterols found in a variety of...
| Keywords: | (3beta,24xi)-stigmast-5-en-25,26,26,26,27,27,27-d7-3-ol |
| Application: | GC-MS, LC-MS internal standard, quantification, phytosterol |
| CAS | 2260669-28-9 |
| MW: | 421.76 D |
70.00€
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11-deoxy Cortisol-d2
Item number: Cay45693-1
11-deoxy Cortisol-d2 is intended for use as an internal standard for the quantification of 11-deoxy cortisol by GC- or LC-MS. 11-deoxy Cortisol is a precursor in the biosynthesis of cortisol (hydrocortisone, Item No. 20739). It is converted into cortisol by the cytochrome P450 (CYP) isoform CYP11B1, also known as...
| Keywords: | Compound S, Cortexolone, Cortodoxone, Reichstein's Substance S, 17,21-dihydroxy-pregn-4-ene-3,20-dione-21,21-d2 |
| Application: | GC-MS, LC-MS internal standard, quantification, cortisol biosynthesis precursor |
| CAS | 1271728-08-5 |
| MW: | 348.48 D |
549.00€
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1-Palmitoyl-2-linoleoyl-sn-glycero-3-phosphocholine...
Item number: Cay45699-100
1-Palmitoyl-2-linoleoyl-sn-glycero-3-phosphocholine Epoxides MaxSpec(R) LC-MS Mixture (Cay45699) is a mixture containing epoxides resulting from mCPBA-mediated epoxidation of 1-palmitoyl-2-linoleoyl-sn-glycero-3-phosphocholine (1,2-PLPC, Item No. 20962). It also contains the unoxidized precursor phospholipid. It may...
| Application: | Qualitative LC-MS, 1,2-PLPC-derived epoxide mixture |
314.00€
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Epicholesterol-d6
Item number: Cay45739-1
Epicholesterol-d6 is intended for use as an internal standard for the quantification of epicholesterol by GC- or LC-MS. Epicholesterol is an epimer of cholesterol (Cay9003100, Cay39088, Cay39448), where the C-3 hydroxyl group is in the alpha configuration. It has been used to study the stereospecific effects of...
| Keywords: | 3-Epicholesterol-d6, 3alpha-Cholesterol-d6, alpha-Cholesterol-d6, (3alpha)-cholest-5-en-2,2,3,4,4,6-d6-3-ol |
| Application: | GC-MS, LC-MS internal standard, quantification |
| CAS | 92543-07-2 |
| MW: | 392.7 D |
From 208.00€
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