Products from Expert Synthesis Solutions
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
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 |
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 |
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 |
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 |
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 |
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 |
Item number: ESS0533.100mg
Keywords: | Isochenodeoxycholic Acid |
Application: | Chenodeoxycholic Acid Impurity |
CAS | 566-24-5 |
MW: | 392.57 D |
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 |
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 |
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 |
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 |
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 |