Ethinyl Estradiol Impurity Standards | EP USP

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

4-METHYLESTRONE

Chemical Name: (8R,9S,13S,14S)-3-hydroxy-4,13-dimethyl...

CAS No:
68969-90-4

Molecular Formula: C19H24O2

Molecular Weight: 284.4

CAT No:
ALL-ETY-1289

Keywords: SMILES string - C[C@@]12[C@](CCC2=O)([H]...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

DELTA-8(9)-ETHINYL ESTRADIOL

Chemical Name: (13S,14S,17R)-17-ethynyl-13-methyl-7,11,...

CAS No:
100019-04-3

Molecular Formula: C20H22O2

Molecular Weight: 294.4

CAT No:
ALL-ETY-1290

Keywords: SMILES string - C[C@@]12[C@](CC[C@](O)2C...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ESTRADIOL 3,17-DISULFATE

Chemical Name: (8R,9S,13S,14S,17S)-13-Methyl-7,8,9,11,1...

CAS No:
3233-70-3

Molecular Formula: C18H24O8S2

Molecular Weight: 432.5

CAT No:
ALL-ETY-1288

Keywords: SMILES string - C[C@]1(CC2)[C@](CC[C@@H]...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYL ESTRADIOL DIMER IMPURITY 1

Chemical Name: [4,4'-Bi-19-norpregna-1,3,5(10)-tri...

CAS No:
303014-87-1

Molecular Formula: C40H46O4

Molecular Weight: 590.8

CAT No:
ALL-ETY-1291

Keywords: SMILES string - C[C@@]12[C@](CC[C@]2(C#C...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYL ESTRADIOL DIMER IMPURITY 2

Chemical Name: [2,?2'-?Bi-?19-?norpregna-?1,?3,?5(...

CAS No:
303014-88-2

Molecular Formula: C40H46O4

Molecular Weight: 590.8

CAT No:
ALL-ETY-1292

Keywords: SMILES string - OC1=C(C2=C(O)C=C(CC[C@]3...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYL ESTRADIOL DIMER IMPURITY 3

Chemical Name: [2,4'-Bi-19-norpregna-1,3,5(10)-tri...

CAS No:
303014-89-3

Molecular Formula: C40H46O4

Molecular Weight: 590.8

CAT No:
ALL-ETY-1293

Keywords: SMILES string - C[C@@]12[C@](CC[C@]2(C#C...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYL ESTRADIOL DIMER IMPURITY 4

Chemical Name: (8R,9S,13S,14S,17R)-17-Ethynyl-4-(((8R,9...

CAS No:
303014-90-6

Molecular Formula: C40H46O4

Molecular Weight: 590.8

CAT No:
ALL-ETY-1294

Keywords: SMILES string - C[C@@]12[C@](CC[C@]2(C#C...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYL ESTRADIOL DIMER IMPURITY 5

Chemical Name: (8R,9S,13S,14S,17R)-17-Ethynyl-2-(((8R,9...

CAS No:
303014-91-7

Molecular Formula: C40H46O4

Molecular Weight: 590.8

CAT No:
ALL-ETY-1295

Keywords: SMILES string - C[C@@]12[C@](CC[C@]2(C#C...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYLESTRADIOL

Chemical Name: (17α)-19-Norpregna-1,3,5(10)-trien-20-y...

CAS No:
57-63-6

Molecular Formula: C20H24O2

Molecular Weight: 296.40

CAT No:
ALL-ETY-1269

Keywords: SMILES string - C#C[C@]1(O)CC[C@@]2([H]...

Inventory Status:IN STOCK-465/BOX-15

COA MSDS

ETHINYLESTRADIOL 1-HYDROXY 4-METHYL IMPURITY

Chemical Name: (8S,9S,13S,14S,17R)-17-ethynyl-4,13-dime...

CAS No:
1034298-00-4

Molecular Formula: C21H26O2

Molecular Weight: 310.4

CAT No:
ALL-ETY-1296

Keywords: SMILES string -C[C@@]12[C@](CC[C@](O)2C#...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYLESTRADIOL DIMER

Chemical Name: (13S,17R)-17-Ethynyl-2-(((13S,17R)-17-et...

CAS No:
N.A.

Molecular Formula: C40H46O4

Molecular Weight: 590.8

CAT No:
ALL-ETY-1287

Keywords: SMILES string - OC1=CC=C2C(CCC3C2CC[C@@]...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYLESTRADIOL EP IMPURITY A

Chemical Name: (17a)-19-Norpregna-1,3,5(10),6-tetraen-2...

CAS No:
4717-38-8

Molecular Formula: C20H24O2

Molecular Weight: 296.40

CAT No:
ALL-ETY-1270

Keywords: SMILES string - C#C[C@@]1(O)CC[C@@]2([H]...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYLESTRADIOL EP IMPURITY B

Chemical Name: (17α)-19-Norpregna-1,3,5(10),9(11)-tetr...

CAS No:
1231-96-5

Molecular Formula: C20H22O2

Molecular Weight: 294.39

CAT No:
ALL-E04243

Keywords: SMILES string - C#C[C@]1(O)CC[C@@]2([H])...

Inventory Status:IN STOCK-456/BOX-15

COA MSDS

ETHINYLESTRADIOL EP IMPURITY C

Chemical Name: 3-Hydroxyestra-1,3,5(10)-trien-17-one

CAS No:
53-16-7

Molecular Formula: C18H22O2

Molecular Weight: 270.37

CAT No:
ALL-ETY-1272

Keywords: SMILES string - C[C@]1([C@](CC2)([H])[C@...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYLESTRADIOL EP IMPURITY D

Chemical Name: (8R,9S,13S,14S,17S)-13-methyl-7,8,9,11,1...

CAS No:
50-28-2

Molecular Formula: C18H24O2

Molecular Weight: 272.38

CAT No:
ALL-ETY-1273

Keywords: SMILES string - OC1=CC=C2C(CC[C@]3([H])[...

Inventory Status:IN STOCK-458/BOX-15

COA MSDS

ETHINYLESTRADIOL EP IMPURITY E

Chemical Name: 19-Nor-17?-pregna-1,3,5(10)-trien-20-yne...

CAS No:
27521-34-2

Molecular Formula: C20H24O3

Molecular Weight: 312.4

CAT No:
ALL-ETY-1274

Keywords: SMILES string - C#C[C@]1(O)CC[C@@]2([H])...

Inventory Status:IN STOCK-459/BOX-15

COA MSDS

ETHINYLESTRADIOL EP IMPURITY F

Chemical Name: 19-Nor-17?-pregna-1,3,5(10)-trien-20-yne...

CAS No:
56324-28-8

Molecular Formula: C20H24O3

Molecular Weight: 312.4

CAT No:
ALL-ETY-1275

Keywords: SMILES string -C#C[C@]1(O)CC[C@@]2([H])[...

Inventory Status:IN STOCK-460/BOX-15

COA MSDS

ETHINYLESTRADIOL EP IMPURITY G

Chemical Name: 3,17-Dihydroxy-19-nor-17α-pregna-1,3,5(...

CAS No:
38002-18-5

Molecular Formula: C20H22O3

Molecular Weight: 310.39

CAT No:
ALL-ETY-1276

Keywords: SMILES string - C#C[C@]1(O)CC[C@@]2([H])...

Inventory Status:IN STOCK-461/BOX-15

COA MSDS

ETHINYLESTRADIOL EP IMPURITY H

Chemical Name: (17α)-3,17-Dihydroxy-19-norpregna-1,3,5...

CAS No:
1350468-76-6

Molecular Formula: C20H22O3

Molecular Weight: 310.39

CAT No:
ALL-ETY-1277

Keywords: SMILES string - C[C@@]1([C@]2(O)C#C)[C@]...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYLESTRADIOL EP IMPURITY I

Chemical Name: (17α)-19-Norpregna-1,3,5(10),6-tetraen-...

CAS No:
67703-68-8

Molecular Formula: C20H22O2

Molecular Weight: 294.39

CAT No:
ALL-ETY-1278

Keywords: SMILES string - C#C[C@]1(O)CC[C@@]2([H])...

Inventory Status:IN STOCK-463/BOX-15

COA MSDS

ETHINYLESTRADIOL EP IMPURITY J

Chemical Name: (17α)-1-Methyl-19-norpregna-1,3,5(10)-t...

CAS No:
15071-66-6

Molecular Formula: C21H26O2

Molecular Weight: 310.40

CAT No:
ALL-ETY-1279

Keywords: SMILES string - C#C[C@]1(O)CC[C@@]2([H])...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYLESTRADIOL EP IMPURITY K

Chemical Name: (17a)-4-Methyl-19-norpregna-1,3,5(10)-tr...

CAS No:
155683-61-7

Molecular Formula: C21H26O2

Molecular Weight: 310.43

CAT No:
ALL-ETY-1280

Keywords: SMILES string - C[C@@]1([C@]2(O)C#C)[C@]...

Inventory Status:IN STOCK-467/BOX-15

COA MSDS

ETHINYLESTRADIOL EP IMPURITY L

Chemical Name: Estra-1,3,5(10)-triene-3,17α-diol

CAS No:
57-91-0

Molecular Formula: C18H24O2

Molecular Weight: 272.38

CAT No:
ALL-ETY-1281

Keywords: SMILES string - C[C@@]12[C@H](O)CC[C@@]1...

Inventory Status:IN STOCK-468/BOX-15

COA MSDS

ETHINYLESTRADIOL EP IMPURITY M

Chemical Name: (17α)-2-Methyl-19-norpregna-1,3,5(10)-t...

CAS No:
3240-39-9

Molecular Formula: C21H26O2

Molecular Weight: 310.43

CAT No:
ALL-ETY-1282

Keywords: SMILES string -C#C[C@]1(O)CC[C@@]2([H])[...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHINYLESTRADIOL IMPURITY 1

Chemical Name: (8S,13S,14S,17R)-17-Ethynyl-9-hydroperox...

CAS No:
303014-86-0

Molecular Formula: C20H24O4

Molecular Weight: 328.4

CAT No:
ALL-ETY-1297

Keywords: SMILES string - C[C@@]12[C@](CC[C@]2(C#C...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS

ETHYNYL ESTRADIOL-3-SULFATE

Chemical Name: (8R,9S,13S,14S,17R)-17-Ethynyl-17-hydrox...

CAS No:
24560-70-1

Molecular Formula: C20H24O5S

Molecular Weight: 376.5

CAT No:
ALL-ETY-1298

Keywords: SMILES string - C[C@]12[C@](CC[C@](O)1C#...

Inventory Status:DELIVERY 3-4 WEEKS

COA MSDS