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: esschemco.com

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Norethindrone-3-ethyldienol ether
Norethindrone-3-ethyldienol ether

Item number: ESS0001.100mg

C 80.94% H 9.26% O 9.80%
Keywords: (17alpha)-3-Ethoxy-19-norpregna-3,5-dien-20-yn-17-ol
Application: Norethindrone impurity
CAS 96487-83-3
MW: 326.48 D
From 257.00€ *
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6beta-Hydroxy Norethindrone
6beta-Hydroxy Norethindrone

Item number: ESS0002.100mg

C 76.40% H 8.34% O 15.27%
Keywords: 6beta-Hydroxy Norethindrone, 6beta-Hydroxy Norethindrone, (6beta,17alpha)-6,17-Dihydroxy-19-norpregn-4-en-20-yn-3-one,...
Application: Norethindrone impurity
CAS 51724-44-8
MW: 314.43 D
From 581.00€ *
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6alpha-Hydroxy Norethindrone
6alpha-Hydroxy Norethindrone

Item number: ESS0003.100mg

C 76.40% H 8.34% O 15.27%
Keywords: 6alpha-Hydroxy Norethindrone, 6alpha-Hydroxy Norethindrone
Application: Norethindrone impurity
CAS 438244-33-8
MW: 314.43 D
From 728.00€ *
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6-Keto Norethindrone
6-Keto Norethindrone

Item number: ESS0004.100mg

C 76.89% H 7.74% O 15.36%
Keywords: 6-Ketonorethindrone, (17alpha)-17-Hydroxy-19-norpregn-4-en-20-yne-3,6-dione,...
Application: Norethindrone impurity
CAS 67696-78-0
MW: 312.41 D
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6,7-Dehydro Norethindrone
6,7-Dehydro Norethindrone

Item number: ESS0005.100mg

C 81.04% H 8.16% O 10.80%
Keywords: 6,7-Dehydronorethindrone, (17alpha)-17-Hydroxy-19-norpregna-4,6-dien-20-yn-3-one,...
Application: Norethindrone impurity
CAS 31528-46-8
MW: 296.41 D
From 588.00€ *
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delta-5(6)-Norethindrone
delta-5(6)-Norethindrone

Item number: ESS0006.100mg

C 80.50% H 8.78% O 10.72%
Keywords: Delta-5(6)-Norethindrone, (17alpha)-17-Hydroxy-19-norpregn-5-en-20-yn-3-one,...
Application: Norethindrone impurity
CAS 22933-71-7
MW: 298.43 D
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Norethindrone acetate-3-ethyldienol ether
Norethindrone acetate-3-ethyldienol ether

Item number: ESS0007.100mg

C 78.22% H 8.75% O 13.02%
Keywords: 3-Ethoxy-19-nor-17alpha-pregna-3,5-dien-20-yn-17-ol Acetate
Application: Norethindrone Acetate impurity
CAS 50717-99-2
MW: 368.52 D
From 257.00€ *
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6beta-Hydroxy Norethindrone Acetate
6beta-Hydroxy Norethindrone Acetate

Item number: ESS0008.100mg

C 74.13% H 7.92% O 17.95%
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
From 588.00€ *
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6alpha-Hydroxy Norethindrone Acetate
6alpha-Hydroxy Norethindrone Acetate

Item number: ESS0009.100mg

C 74.13% H 7.92% O 17.95%
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
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6-Keto Norethindrone Acetate
6-Keto Norethindrone Acetate

Item number: ESS0010.100mg

C 74.55% H 7.39% O 18.06%
Keywords: 6-Ketonorethindrone Acetate, 6-Oxo Norethindrone Acetate
Application: Norethindrone Acetate impurity
CAS 438244-27-0
MW: 354.45 D
From 654.00€ *
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6,7-Dehydro Norethindrone Acetate
6,7-Dehydro Norethindrone Acetate

Item number: ESS0011.100mg

C 78.07% H 7.74% O 14.18%
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
From 588.00€ *
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delta-5(6)-Norethinrone Acetate
delta-5(6)-Norethinrone Acetate

Item number: ESS0012.100mg

C 77.61% H 8.29% O 14.10%
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
From 735.00€ *
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