API Impurities
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
-ETHINYL ESTRADIOL.png)
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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