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

6 from 33 pages
No results were found for the filter!
6beta-Hydroxy Desacetyl Norgestimate
6beta-Hydroxy Desacetyl Norgestimate

Item number: ESS0085.100mg

C 73.44% H 8.51% N 4.08% O 13.97%
Keywords: 13-Ethyl-6beta,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one, 3-oxime
Application: A metabolyte of Norgestimate
MW: 343.47 D
From 355.00€ *
Review
Norgestimate-N-Acetate-D6 (major)
Norgestimate-N-Acetate-D6 (major)

Item number: ESS0086.100mg

C 71.91% H 6.52% N 3.35% O 15.33% D 2.89%
Keywords: Norgestimate-3-acetate-2,2,4,6,6,10-D6, Norgestimate-3-acetate-D6
Application: Labelled analog of a metabolite of Noegestimate
CAS 1263195-02-3
MW: 417.58 D
From 886.00€ *
Review
17-Desacetyl Norgestimate-N-acetate-D6 (major)
17-Desacetyl Norgestimate-N-acetate-D6 (major)

Item number: ESS0087.100mg

C 73.56% H 6.71% N 3.73% O 12.78% D 3.22%
Keywords: 17-Desacetyl Norgestimate-3-acetate-2,2,4,6,6,10-D6, 17-Desacetyl Norgestimate-3-acetate-D6
Application: Labelled analog of a metabolite of Noegestimate
MW: 375.54 D
From 886.00€ *
Review
Levonorgestrel-3-methyldienol ether
Levonorgestrel-3-methyldienol ether

Item number: ESS0089.100mg

C 80.94% H 9.26% O 9.80%
Keywords: (17alpha)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol,...
Application: Levonorgestrel Impurity S
CAS 176254-10-7
MW: 326.48 D
From 1,064.00€ *
Review
Levonorgestrel-3-ethyldienol ether
Levonorgestrel-3-ethyldienol ether

Item number: ESS0091.100mg

C 81.13% H 9.47% O 9.40%
Keywords: 3-Ethoxy-13-ethyl-18,19-dinorpregna-3,5-dien-20-yn-17-ol
Application: Levonorgestrel Impurity
CAS 24908-87-0
MW: 340.51 D
From 1,064.00€ *
Review
6beta-Hydroxy Levonorgestrel
6beta-Hydroxy Levonorgestrel

Item number: ESS0093.100mg

C 76.79% H 8.59% O 14.61%
Keywords: (6beta,17alpha)-13-Ethyl-6,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one,...
Application: Levonorgestrel EP Impurity H
CAS 55555-97-0
MW: 328.46 D
From 1,241.00€ *
Review
6alpha-Hydroxy Levoorgestrel
6alpha-Hydroxy Levoorgestrel

Item number: ESS0094.100mg

C 76.79% H 8.59% O 14.61%
Keywords: (6alpha,17alpha)-13-Ethyl-6,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one,...
Application: Levonorgestrel EP Impurity G
CAS 87585-03-3
MW: 328.46 D
From 1,773.00€ *
Review
6-Keto Levonorgestrel
6-Keto Levonorgestrel

Item number: ESS0095.100mg

C 77.27% H 8.03% O 14.70%
Keywords: 13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3,6-dione
Application: Levonorgestrel EP Impurity J
CAS 1175109-63-3
MW: 326.44 D
From 1,418.00€ *
Review
6,7-Dehydro Levonorgestrel
6,7-Dehydro Levonorgestrel

Item number: ESS0096.100mg

C 81.25% H 8.44% O 10.31%
Keywords: 13-Ethyl-17-hydroxy-18,19-dinorpregna-4,6-dien-20-yn-3-one, Levonorgestrel EP Impurity M
Application: Levonorgestrel EP Impurity M
CAS 51087-61-7
MW: 310.44 D
From 1,507.00€ *
Review
6alpha-Methylprednisolone-D6-21-Acetate
6alpha-Methylprednisolone-D6-21-Acetate

Item number: ESS0101.10mg

C 68.22% H 6.20% O 22.72% D 2.86%
Keywords: (6alpha,11beta)-11,17,21-Trihydroxy-6-methylpregna-1,4-diene-3,20-dione-D6-21-Acetate, Medrone-D6-21-Acetate,...
Application: Labelled analog of 6a-Methyl prednisolone-21-Acetate
CAS 53-36-1
MW: 422.56 D
From 2,482.00€ *
Review
6alpha-Methylprednisolone-D6-17-Propionate
6alpha-Methylprednisolone-D6-17-Propionate

Item number: ESS0102.10mg

C 68.78% H 6.46% O 21.99% D 2.77%
Keywords: (6alpha,11beta)-11,17,21-Trihydroxy-6-methylpregna-1,4-diene-3,20-dione-D6-17-Propionate, Medrone-D6-17-Propionate,...
Application: Labelled analog of 6a-Methyl prednisolone-17-Propionate
CAS 79512-61-1
MW: 436.58 D
From 1,684.00€ *
Review
Fulvestrant-9-sulfone
Fulvestrant-9-sulfone

Item number: ESS0116.100mg

C 61.72% H 7.61% F 15.25% O 10.28% S 5.15%
Application: Fulvestrant EP Impurity B
CAS 98008-06-1
MW: 622.78 D
From 709.00€ *
Review
6 from 33 pages