Drug Impurities Reference Standards Archives - Page 3 of 139

Showing 33–48 of 2209 results

10ß-Hydroxy Levonorgestrel; Levonorgestrel Impurity I (EP)
- Product Number ACA-160801-0047
- Parent Drug Levonorgestrel
- CAS Number 21508-50-9
- Category Drug Impurities Reference Standards
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+ Synonyms -(17a)-13-Ethyl-10 17-dihydroxy-18 19-dinorpregn-4-en-20-yn-3-one
10ß-Hydroxy Norethindrone
- Product Number ACA-160801-0045
- Parent Drug Norethindrone
- CAS Number 1236-00-6
- Category Drug Impurities Reference Standards
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+ Synonyms -(17a)-10,17-Dihydroxy-19-norpregn-4-en-20-yn-3-one
10ß-Hydroxy Norgestimate (R&D)
- Product Number ACA-160801-0049
- Parent Drug Norgestimate
- CAS Number N/A
- Category Drug Impurities Reference Standards
Made to Order - Lead Time: 4 to 6 week(s)
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13-Ethyl-18,19-dinorpregn-5-en-20-yne-3ß,17ß-diol
- Product Number ACA-160926-0007
- Parent Drug Levonorgestrel
- CAS Number 19913-33-8
- Category Drug Impurities Reference Standards
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17-a-Ethinyl Estradiol-D4
- Product Number ACB-161028-0039
- Parent Drug Estradiol
- CAS Number 57-63-6 (Unlabeled)
- Category Drug Impurities Reference Standards
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17-Desacetyl Norgestimate ((E)- and (Z)-17-deacetyl norgestimate mixture)
- Product Number ACB-161030-0061
- Parent Drug Norgestimate
- CAS Number 53016-31-2
- Category Drug Impurities Reference Standards
Made to Order - Lead Time: 1 week(s)
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+ Synonyms -(17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one Oxime 18-Methylnorethindrone oxime BRN 4202099
17-Desacetyl-10ß-hydroxy norgestimate (R&D)
- Product Number ACA-160801-0048
- Parent Drug Norgestimate
- CAS Number N/A
- Category Drug Impurities Reference Standards
Made to Order - Lead Time: 4 to 6 week(s)
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17-ß-Estradiol-16,16,17-D3
- Product Number ACB-161028-0040
- Parent Drug Estradiol
- CAS Number 79037-37-9
- Category Drug Impurities Reference Standards
Pending QC
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+ Synonyms -(17ß)-Estra-1,3,5(10)-triene-3,17-diol-d3 3,17-Epidihydroxyestratriene-d3
17a-Ethynyl-18-methylestra-3,5-diene-3,17ß-diol Diacetate
- Product Number ACA-160926-0025
- Parent Drug Levonorgestrel
- CAS Number 13635-15-9
- Category Drug Impurities Reference Standards
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+ Synonyms -Levonorgestrel Diacetate
17ß-Estradiol-17-valerate-D4
- Product Number ACA-160910-0006
- Parent Drug Estradiol
- CAS Number 979-32-8 (unlabeled)
- Category Drug Impurities Reference Standards
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18-Methyl Ethynyl Estradiol
- Product Number ACA-160926-0020
- Parent Drug Norgestrel
- CAS Number 14012-72-7
- Category Drug Impurities Reference Standards
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+ Synonyms -(17a)-13-Ethyl-18,19-dinorpregna-1,3,5(10)-trien-20-yne-3,17-diol 13-Ethyl-17a-ethynylgona-1,3,5(10)-triene-3,17ß-diol
18-Methyl Mestranol
- Product Number ACA-160926-0021
- Parent Drug Mestranol
- CAS Number 14009-70-2
- Category Drug Impurities Reference Standards
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+ Synonyms -13ß-Ethyl-17a-ethynyl-3-methoxyestra-1,3,5(10)-trien-17ß-ol
1ß-Hydroxychenodeoxycholic Acid
- Product Number ACA-160910-0013
- Parent Drug Glycochenodeoxycholic Acid
- CAS Number N/A
- Category Drug Impurities Reference Standards
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+ Synonyms -(1ß,3a,5ß,7a)-1,3,7-Trihydroxycholan-24-oic Acid 1ß,3a,7a-Trihydroxy-5ß-cholan-24-oic Acid 1ß,3a,7a-Trihydroxy-5ß-cholanoic Acid
1ß-Hydroxydeoxycholic Acid
- Product Number ACA-160910-0011
- Parent Drug Taurodeoxycholic acid
- CAS Number 80434-32-8
- Category Drug Impurities Reference Standards
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+ Synonyms -(1ß,3a,5ß,12a)-1,3,12-Trihydroxycholan-24-oic Acid 1ß,3a,12a-Trihydroxy-5ß-cholan-24-oic Acid 1ß,3a,12a-Trihydroxy-5ß-cholanoic Acid
1ß-Hydroxydeoxycholic Acid-D4 (major)
- Product Number ACA-160910-0018
- Parent Drug Taurodeoxycholic Acid
- CAS Number 80434-32-8
- Category Drug Impurities Reference Standards
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+ Synonyms -(1ß,3a,5ß,12a)-1,3,12-Trihydroxycholan-24-oic Acid-D4 (major)1ß,3a,12a-Trihydroxy-5ß-cholan-24-oic Acid-D4 (major)1ß,3a,12a-Trihydroxy-5ß-cholanoic Acid
1ß-Hydroxytaurodeoxycholic Acid Sodium
- Product Number ACA-160910-0019
- Parent Drug Taurodeoxycholic acid
- CAS Number 111945-04-1
- Category Drug Impurities Reference Standards
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+ Synonyms -2-[[(1ß,3a,5ß,12a)-1,3,12-trihydroxy-24-oxocholan-24-yl]amino]-ethanesulfonic acid, sodium

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