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
6beta-Hydroxy Norethindrone Acetate
Item number: ESS0008.100mg
| Keywords: | 6beta-Hydroxy Norethindrone Acetate, (6beta,17alpha)-17-(Acetyloxy)-6-hydroxy-19-norpregn-4-en-20-yn-3-one |
| Application: | Norethindrone Acetate impurity |
| CAS | 6856-27-5 |
| MW: | 356.47 D |
6alpha-Hydroxy Norethindrone Acetate
Item number: ESS0009.100mg
| Keywords: | 6alpha-Hydroxy Norethindrone Acetate, (6alpha,17alpha)-17-(Acetyloxy)-6-hydroxy-19-norpregn-4-en-20-yn-3-one |
| Application: | Norethindrone Acetate impurity |
| CAS | 6856-28-6 |
| MW: | 356.47 D |
6-Keto Norethindrone Acetate
Item number: ESS0010.100mg
| Keywords: | 6-Ketonorethindrone Acetate, 6-Oxo Norethindrone Acetate |
| Application: | Norethindrone Acetate impurity |
| CAS | 438244-27-0 |
| MW: | 354.45 D |
6,7-Dehydro Norethindrone Acetate
Item number: ESS0011.100mg
| Keywords: | 17-Hydroxy-19-Nor-17alpha-pregna-4,6-dien-20-yn-3-one Acetate, delta-6(7)-Norenthindrone Acetate |
| Application: | Norethindrone Acetate impurity |
| CAS | 106765-04-2 |
| MW: | 338.45 D |
delta-5(6)-Norethinrone Acetate
Item number: ESS0012.100mg
| Keywords: | Delta-5(6)-Norethindrone Acetate, 17b-Acetoxy-19-nor-17a-pregn-5-en-20-yn-3-one |
| Application: | Norethindrone Acetate impurity |
| CAS | 1175129-26-6 |
| MW: | 340.47 D |
6-Keto Ethynyl Estradiol
Item number: ESS0013.100mg
| Keywords: | 3,17beta-Dihydroxy-17alpha-ethynylestra-1,3,5(10)-trien-6-one,... |
| Application: | Ethynyl Estradiol impurity |
| CAS | 38002-18-5 |
| MW: | 310.4 D |
6beta-Hydroxy Ethynyl Estradiol
Item number: ESS0014.100mg
| Keywords: | 19-Norpregna-1,3,5(10)-trien-20-yne-3,6b,17-triol, Ethinylestradiol EP Impurity F |
| Application: | Ethynyl Estradiol EP Impurity F |
| CAS | 56324-28-8 |
| MW: | 312.41 D |
6alpha-Hydroxy Ethynyl Estradiol
Item number: ESS0015.100mg
| Keywords: | 19-Norpregna-1,3,5(10)-trien-20-yne-3,6a,17-triol |
| Application: | Ethynyl Estradiol impurity |
| CAS | 27521-34-2 |
| MW: | 312.41 D |
6,7-Dehydro Ethynyl Estradiol
Item number: ESS0016.100mg
| Keywords: | 19-Norpregna-1,3,5(10),6-tetraen-20-yne-3,17-diol |
| Application: | Ethynyl Estradiol impurity |
| CAS | 67703-68-8 |
| MW: | 294.4 D |
9,11-Dehydro Ethynyl Estradiol
Item number: ESS0017.100mg
| Keywords: | delta-9(11)-Ethynyl Estradiol, 19-Norpregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol, Ethynyl Estradiol Impurity B |
| Application: | Ethynyl Estradiol EP Impurity B |
| CAS | 1231-96-5 |
| MW: | 294.4 D |
9,11-Dehydro Estrone
Item number: ESS0018.100mg
| Keywords: | Delta-9(11)-Estrone, 3-Hydroxy-1,3,5(10),9(11)-tetraen-17-one |
| Application: | Estrone Impurity |
| CAS | 1089-80-1 |
| MW: | 268.36 D |
Epi-Ethynyl Estradiol
Item number: ESS0019.100mg
| Keywords: | 19-Norpregna-1,3,5(10)-trien-20-yne-3,17a-diol |
| Application: | Ethynyl Estradiol impurity |
| CAS | 4717-38-8 |
| MW: | 296.41 D |