Products from Expert Synthesis Solutions

ESS

Expert Synthesis Solutions (ESS) is a research and development company specializing in low volume, high value organic synthesis of complex small molecules. ESS provides catalogue specialty compounds (rare and unique building blocks, drug analogues, intermediates, metabolites & impurities) and synthetic services to pharmaceutical & biopharmaceutical companies, testing labs and research institutions.

More information at: www.esschemco.com

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16-Oxo Ethynyl Estradiol
16-Oxo Ethynyl Estradiol

Item number: ESS0525.100mg

Keywords: (17alpha)-3,17-Dihydroxy-19-norpregna-1,3,5(10)-trien-20-yn-16-one, Ethinyl Estradiol Impurity H (EP)
Application: Ethynyl Estradiol Impurity
CAS 1350468-76-6
MW: 310.39 D
From 1,389.00€ *
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16-Oxo Estradiol
16-Oxo Estradiol

Item number: ESS0526.100mg

Keywords: (17beta)-3,17-Dihydroxyestra-1,3,5(10)-trien-16-one, 1,3,5(10)-Estratriene-3,17beta-diol-16-one, 16-Ketoestradiol,...
Application: Estradiol Impurity
CAS 566-75-6
MW: 286.37 D
From 1,158.00€ *
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(+/-)-Levonorgestrel EP Impurity A
(+/-)-Levonorgestrel EP Impurity A

Item number: ESS0527.10mg

Keywords: (+/-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregna-4,8(14)-dien-20-yn-3-one, 8(14)-Dehydro Norgestrel
Application: Levonorgestrel Impurity
CAS 110785-09-6
MW: 310.43 D
From 1,389.00€ *
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16alpha-Hydroxyestrone
16alpha-Hydroxyestrone

Item number: ESS0528.100mg

Keywords: 3,16alpha-dihydroxy-estra-1,3,5(10)-trien-17-one, Estra-1,3,5(10)-triene-3,16alpha-diol-17-one, Estriol EP Impurity H
Application: Estriol Impurity
CAS 566-76-7
MW: 286.37 D
From 617.00€ *
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Lercanidipine-D3 Hydrochloride
Lercanidipine-D3 Hydrochloride

Item number: ESS0530.100mg

Keywords: 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid...
Application: Quantitative determination in biological samples, pharmacokinetic studies
CAS 1189954-18-4
MW: 651.21 D
From 1,389.00€ *
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Methotrexate-D3
Methotrexate-D3

Item number: ESS0532.100mg

Keywords: N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methyl-d3-amino]benzoyl]-L-glutamic acid, Amethopterin-D3, MTX-D3
Application: Quantitative determination in biological samples, pharmacokinetic studies
CAS 432545-63-6
MW: 457.46 D
From 1,158.00€ *
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3beta-Chenodeoxycholic Acid
3beta-Chenodeoxycholic Acid

Item number: ESS0533.100mg

Keywords: Isochenodeoxycholic Acid
Application: Chenodeoxycholic Acid Impurity
CAS 566-24-5
MW: 392.57 D
From 309.00€ *
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3beta-Cholic Acid
3beta-Cholic Acid

Item number: ESS0538.100mg

Keywords: (5beta)-3beta,7alpha,12alpha-trihydroxy-cholan-24-oic acid, 3beta-Epicholic Acid
Application: Cholic Acid Impurity
CAS 3338-16-7
MW: 408.6 D
From 386.00€ *
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3beta-Deoxycholic Acid
3beta-Deoxycholic Acid

Item number: ESS0542.100mg

Keywords: (3beta,5beta,12alpha)-3,12-dihydroxy-cholan-24-oic acid, 3-Epideoxycholic Acid
Application: Deoxycholic Acid Impurity
CAS 570-63-8
MW: 392.57 D
From 309.00€ *
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3beta-Lithocholic Acid
3beta-Lithocholic Acid

Item number: ESS0548.100mg

Keywords: (3beta,5beta)-3-hydroxy-cholan-24-oic acid, Isolithocholic Acid
Application: Lithocholic Acid Impurity
CAS 1534-35-6
MW: 376.57 D
From 154.00€ *
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3beta-Lithocholic Acid-D4
3beta-Lithocholic Acid-D4

Item number: ESS0549.100mg

Keywords: (3beta,5beta)-3-hydroxy-cholan-24-oic acid-D4, Isolithocholic Acid-D4
Application: Deuterated Lithocholic Acid Impurity
CAS 1534-35-6
MW: 380.6 D
From 617.00€ *
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Taurolithocholic Acid-D4 Sodium
Taurolithocholic Acid-D4 Sodium

Item number: ESS0551.100mg

Keywords: 2-[[(3alpha,5beta)-3-hydroxy-24-oxocholan-24-yl-2,2,4,4-d4]amino]-ethanesulfonic acid
Application: Deuterated Metabolite of Lithocholic Acid
CAS 2410279-96-6
MW: 509.71 D
From 578.00€ *
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2 from 33 pages