API Impurities
11-DEHYDROXY METHYLPREDNISOLONE
Chemical Name: (6S,8R,9S,10R,13S,14S,17R)-17-hydroxy-17...
CAS No:
421560-83-0
Molecular Formula: C22H30O4
Molecular Weight: 358.5
CAT No:
ALL-MET-2162
Keywords: SMILES string -C[C@@]12[C@](O)(CC[C@]1([...
Inventory Status:DELIVERY 3-4 WEEKS
11-OXO-METHYLPREDNISOLONE HEMISUCCINATE
Chemical Name: 4-[(17-hydroxy-methyl-3,11,20-trioxopreg...
CAS No:
N.A.
Molecular Formula: C26H32O8
Molecular Weight: 472.5
CAT No:
ALL-MET-2145
Keywords: SMILES string - C[C@]([C@](C(COC(CCC(O)=...
Inventory Status:DELIVERY 3-4 WEEKS
6-HYDROXY METHYLPREDNISOLONE
Chemical Name: (6R,8S,9S,10R,11S,13S,14S,17R)-6,11,17-t...
CAS No:
229019-42-5
Molecular Formula: C22H30O6
Molecular Weight: 390.5
CAT No:
ALL-MET-2144
Keywords: SMILES string - O=C1C=C[C@@]2(C)C([C@](C...
Inventory Status:DELIVERY 3-4 WEEKS
6ALPHA-METHYL PREDNISOLONE 21-SULFATE ESTER
Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-...
CAS No:
1127921-80-5
Molecular Formula: C22H30O8S
Molecular Weight: 454.5
CAT No:
ALL-MET-2164
Keywords: SMILES string - C[C@@]12[C@@](O)(C(COS(=...
Inventory Status:DELIVERY 3-4 WEEKS
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METHYL PREDNISOLONE EP IMPURITY D (ISOMER MIXTURE-1 AND 2)
Chemical Name: (Z)-2-Hydroxy-2-((6S,8S,9S,10R,11S,13S,1...
CAS No:
N.A.
Molecular Formula: C22H28O4
Molecular Weight: 356.5
CAT No:
ALL-MET-2160
Keywords: SMILES string - C[C@]1([C@](CC/2)([H])[C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE
Chemical Name: 11beta,17,21-Trihydroxy-6alpha-methylpre...
CAS No:
83-43-2
Molecular Formula: C22H30O5
Molecular Weight: 374.47
CAT No:
ALL-MET-2133
Keywords: SMILES string - C[C@@]12[C@](C(CO)=O)(O)...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE 17, 21-DISUCCINATE
Chemical Name: 4-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-17-...
CAS No:
N.A.
Molecular Formula: C30H38O11
Molecular Weight: 574.6
CAT No:
ALL-MET-2146
Keywords: SMILES string - O=C1C=C[C@@]2(C)C([C@@H]...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE 17-PROPIONATE
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11-hydrox...
CAS No:
79512-61-1
Molecular Formula: C25H34O6
Molecular Weight: 430.6
CAT No:
ALL-MET-2147
Keywords: SMILES string - C[C@@]12[C@@](OC(CC)=O)...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE 21-HEMISUCCINATE D4
Chemical Name: 4-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,...
CAS No:
N.A.
Molecular Formula: C26H30D4O8
Molecular Weight: 478.6
CAT No:
ALL-MET-2158
Keywords: SMILES string - C[C@@]12[C@@](O)(C(COC(C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE D6
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dih...
CAS No:
N.A.
Molecular Formula: C22H24D6O5
Molecular Weight: 380.5
CAT No:
ALL-MET-2141
Keywords: SMILES string - C[C@@]1([C@@]2(O)C(CO)=O...
Inventory Status:DELIVERY 3-4 WEEKS
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METHYLPREDNISOLONE DIMER IMPURITY (RRT 2.28)
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11-hydrox...
CAS No:
N.A.
Molecular Formula: C44H58O9
Molecular Weight: 730.9
CAT No:
ALL-MET-2166
Keywords: SMILES string - C[C@@]12[C@@](CC[C@]1([C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE DIMER IMPURITY 1
Chemical Name: (6S,6'S,8S,8'S,9S,9'S,10R...
CAS No:
N.A.
Molecular Formula: C44H58O9
Molecular Weight: 730.9
CAT No:
ALL-MET-2148
Keywords: SMILES string - O=C1C=C[C@]2(C)[C@@]3([H...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE DIMER IMPURITY 2
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-17-(2-((6...
CAS No:
N.A.
Molecular Formula: C44H58O9
Molecular Weight: 730.9
CAT No:
ALL-MET-2168
Keywords: SMILES string -C[C@@]12[C@@](CC[C@]1([C@...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE EP IMPURITY A
Chemical Name: 17,21-Dihydroxy-6alpha-methylpregna-1,4-...
CAS No:
91523-05-6
Molecular Formula: C22H28O5
Molecular Weight: 372.45
CAT No:
ALL-P04282
Keywords: SMILES string - C[C@@]1(C2)[C@](C(CO)=O)...
Inventory Status:IN STOCK-523-59
METHYLPREDNISOLONE EP IMPURITY B
Chemical Name: 11β,17,21,21-tetrahydroxy-6α-methylpre...
CAS No:
58636-50-3
Molecular Formula: C22H30O6
Molecular Weight: 390.47
CAT No:
ALL-P04284
Keywords: SMILES string - C[C@@]12[C@](C(C(O)O)=O)...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE EP IMPURITY C
Chemical Name: 11-Hydroxy-6-methylandrosta-1,4-diene-3,...
CAS No:
61919-52-6
Molecular Formula: C20H26O3
Molecular Weight: 314.42
CAT No:
ALL-MET-2136
Keywords: SMILES string - C[C@]1([C@](CC2)([H])[C@...
Inventory Status:IN STOCK-525-59
METHYLPREDNISOLONE EP IMPURITY D
Chemical Name: (EZ)-11 beta,20-Dihydroxy-6alpha-methylp...
CAS No:
1338549-02-2/ 150899-33-5
Molecular Formula: C22H28O4
Molecular Weight: 356.46
CAT No:
ALL-P04285
Keywords: SMILES string - C[C@]1([C@](CC/2)([H])[C...
Inventory Status:DELIVERY 3-4 WEEKS
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METHYLPREDNISOLONE EP IMPURITY D (E-ISOMER)
Chemical Name: (E)-11beta,20-dihydroxy-6alpha-methylpre...
CAS No:
N.A.
Molecular Formula: C22H28O4
Molecular Weight: 356.5
CAT No:
ALL-MET-2149
Keywords: SMILES string - C[C@]1([C@](CC/2)([H])[C...
Inventory Status:DELIVERY 3-4 WEEKS
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METHYLPREDNISOLONE EP IMPURITY D (Z-ISOMER)
Chemical Name: (Z)-11beta,20-dihydroxy-6alpha-methylpre...
CAS No:
N.A.
Molecular Formula: C22H28O4
Molecular Weight: 356.5
CAT No:
ALL-MET-2150
Keywords: SMILES string - C[C@]1([C@](CC/2)([H])[C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE EP IMPURITY E
Chemical Name: 11β-Hydroxy-6α-methyl-3-oxoandrosta-1,...
CAS No:
229019-44-7
Molecular Formula: C21H28O4
Molecular Weight: 344.44
CAT No:
ALL-P04286
Keywords: SMILES string - C[C@@]12[C@@H](C(O)=O)CC...
Inventory Status:IN STOCK-527-59
METHYLPREDNISOLONE EP IMPURITY F
Chemical Name: 11β,17,21-Trihydroxy-6α-methylpregn-4-...
CAS No:
1625-39-4
Molecular Formula: C22H32O5
Molecular Weight: 376.49
CAT No:
ALL-P04287
Keywords: SMILES string - C[C@@]12[C@](C(CO)=O)(O)...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE EP IMPURITY G
Chemical Name: 17,21-Dihydroxy-6alpha-methylpregna-1,4,...
CAS No:
93269-35-3
Molecular Formula: C22H28O4
Molecular Weight: 356.46
CAT No:
ALL-P04288
Keywords: SMILES string - C[C@@]12[C@](C(CO)=O)(O)...
Inventory Status:IN STOCK-528-59
METHYLPREDNISOLONE EP IMPURITY H
Chemical Name: 11,17,21-Trihydroxy-6-methylpregna-1,4-d...
CAS No:
18462-27-6
Molecular Formula: C22H30O5
Molecular Weight: 374.47
CAT No:
ALL-MET-2140
Keywords: SMILES string - C[C@@]12[C@](C(CO)=O)(O)...
Inventory Status:IN STOCK-529-59
METHYLPREDNISOLONE EP IMPURITY J
Chemical Name: 11,17-Dihydroxy-6-methyl-3,20-dioxopregn...
CAS No:
53-36-1
Molecular Formula: C24H32O6
Molecular Weight: 416.51
CAT No:
ALL-P04283
Keywords: SMILES string - CC(OCC([C@@]1(O)CC[C@@]2...
Inventory Status:IN STOCK-530-59
METHYLPREDNISOLONE EP IMPURITY K
Chemical Name: 11beta,17,21-Trihydroxypregna-1,4-diene-...
CAS No:
50-24-8
Molecular Formula: C21H28O5
Molecular Weight: 360.44
CAT No:
ALL-MET-2142
Keywords: SMILES string - C[C@@]12[C@](C(CO)=O)(O)...
Inventory Status:IN STOCK-531-59
METHYLPREDNISOLONE EP IMPURITY L
Chemical Name: 11,17-Dihydroxy-6-methylpregna-1,4-diene...
CAS No:
6870-94-6
Molecular Formula: C22H30O4
Molecular Weight: 358.47
CAT No:
ALL-MET-2143
Keywords: SMILES string - CC([C@@]1(O)CC[C@@]2([H]...
Inventory Status:IN STOCK-532-59
METHYLPREDNISOLONE ETHYLOTHOPROPIONATE
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-2'-e...
CAS No:
85198-27-2
Molecular Formula: C27H38O6
Molecular Weight: 458.6
CAT No:
ALL-MET-2151
Keywords: SMILES string - C[C@@]12[C@]3(OC(CC)(OCC...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE GLUCURONIDE
Chemical Name: (2S,3S,4S,5R,6R)-6-(2-((6S,8S,9S,10R,11S...
CAS No:
805219-19-6
Molecular Formula: C28H38O11
Molecular Weight: 550.6
CAT No:
ALL-MET-2170
Keywords: SMILES string - O=C([C@@H]1[C@@H](O)[C@H...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 1
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11-hydrox...
CAS No:
86401-94-7
Molecular Formula: C24H32O6
Molecular Weight: 416.5
CAT No:
ALL-MET-2152
Keywords: SMILES string -C[C@@]12[C@](C(CO)=O)(OC(...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 10
Chemical Name: 2-((6R,8S,9S,10R,11S,13S,14S,17R)-11,17-...
CAS No:
115223-47-7
Molecular Formula: C24H34O6
Molecular Weight: 418.5
CAT No:
ALL-MET-2153
Keywords: SMILES string - C[C@]1(C2)[C@](CC[C@]1(O...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 11
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17S)-11,17-dih...
CAS No:
N.A.
Molecular Formula: C23H34O3
Molecular Weight: 358.5
CAT No:
ALL-MET-2172
Keywords: SMILES string -C[C@@H]1C2=CC(C=C[C@]2(C)...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 12
Chemical Name: (5S,6R,8S,9S,10R,11S,13S,14S,17R)-17-Ace...
CAS No:
113251-88-0
Molecular Formula: C22H34O5
Molecular Weight: 378.5
CAT No:
ALL-MET-2174
Keywords: SMILES string - C[C@@]([C@@]1(C2)O)(CCC2...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 13
Chemical Name: (6R,8S,9S,10R,11S,13S,14S,17R)-17-Acetyl...
CAS No:
1048031-80-6
Molecular Formula: C22H30O4
Molecular Weight: 358.5
CAT No:
ALL-MET-2176
Keywords: SMILES string -CC([C@@]1(O)CC[C@@]2([H])...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 14
Chemical Name: (6S,8S,9S,10R,13S,14S,17R)-17-Acetyl-17-...
CAS No:
82332-00-1
Molecular Formula: C22H30O4
Molecular Weight: 358.5
CAT No:
ALL-MET-2177
Keywords: SMILES string - CC([C@@]([C@]1(C2)C)(O)C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 15
Chemical Name: 4-(((6S,8S,9S,10R,11S,13S,14S,17R)-17-hy...
CAS No:
N.A.
Molecular Formula: C26H34O8
Molecular Weight: 474.6
CAT No:
ALL-MET-2179
Keywords: SMILES string - O=C(O)CCC(O[C@H]1C[C@]2(...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 16
Chemical Name: 4-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-11-...
CAS No:
N.A.
Molecular Formula: C30H38O11
Molecular Weight: 574.6
CAT No:
ALL-MET-2181
Keywords: SMILES string - O=C(O)CCC(OCC([C@@]1(O)C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 17
Chemical Name: (6S,8S,9S,10R,11R,13S,14S,17R)-11,17-dih...
CAS No:
105500-05-8
Molecular Formula: C22H30O5
Molecular Weight: 374.5
CAT No:
ALL-MET-2183
Keywords: SMILES string - C[C@]1(C2)[C@](CC[C@@](O...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 18
Chemical Name: 4-(2-((8S,9S,10R,11S,13S,14S,17R)-17-hyd...
CAS No:
1264368-56-0
Molecular Formula: C26H36O7
Molecular Weight: 460.6
CAT No:
ALL-MET-2182
Keywords: SMILES string - O=C1CC[C@@]2(C)C(C([H])C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 19
Chemical Name: (6S,8S,9S,10R,11S,13S,14S)-11-hydroxy-17...
CAS No:
N.A.
Molecular Formula: C22H28O4
Molecular Weight: 356.5
CAT No:
ALL-MET-2154
Keywords: SMILES string - C[C@]12[C@]([H])([C@@]3(...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 2
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11-hydrox...
CAS No:
N.A.
Molecular Formula: C24H32O6
Molecular Weight: 416.5
CAT No:
ALL-MET-2155
Keywords: SMILES string - C[C@@]12[C@](C(O)=O)(OC(...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 20
Chemical Name: 1-(11,17-dihydroxy-6,10,13-trimethyl-3-o...
CAS No:
N.A.
Molecular Formula: C44H58O9
Molecular Weight: 730.9
CAT No:
ALL-MET-2180
Keywords: SMILES string -O=C(C1(O)CCC2C3CC(C)C4=CC...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 21
Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S)-11-hydroxy...
CAS No:
1029695-88-2
Molecular Formula: C24H30O5
Molecular Weight: 398.5
CAT No:
ALL-MET-2178
Keywords: SMILES string - C[C@@](C1=CC2=O)(C=C2)[C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 5
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-6,11,17-t...
CAS No:
N.A.
Molecular Formula: C22H30O6
Molecular Weight: 390.5
CAT No:
ALL-MET-2175
Keywords: SMILES string - O=C1C=C[C@@]2(C)C([C@@](...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 6
Chemical Name: (6R,8S,9S,10R,11S,13S,14S,17R)-6,11,17-t...
CAS No:
N.A.
Molecular Formula: C22H30O6
Molecular Weight: 390.5
CAT No:
ALL-MET-2156
Keywords: SMILES string -O=C1C=C[C@@]2(C)C([C@@](C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 7
Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-17-Acetyl...
CAS No:
7055-53-0
Molecular Formula: C22H32O4
Molecular Weight: 360.5
CAT No:
ALL-MET-2173
Keywords: SMILES string - C[C@@]1([C@@]2(O)C(C)=O)...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 8
Chemical Name: (6R,8S,9S,10R,11S,13S,14S,17R)-17-Acetyl...
CAS No:
187244-73-1
Molecular Formula: C22H32O4
Molecular Weight: 360.5
CAT No:
ALL-MET-2171
Keywords: SMILES string - C[C@@]1([C@@]2(O)C(C)=O)...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE IMPURITY 9
Chemical Name: (6S,8S,9S,10R,13S,14S,17R)-17-Hydroxy-1...
CAS No:
1746-38-9
Molecular Formula: C22H30O5
Molecular Weight: 374.5
CAT No:
ALL-MET-2169
Keywords: SMILES string - C[C@]1(C2)[C@](CC[C@@](O...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE METHYL-HEMISUCCINATE
Chemical Name: 11b,17,-dihydroxy-6a-methylpregna-1,4-di...
CAS No:
N.A.
Molecular Formula: C27H36O8
Molecular Weight: 488.6
CAT No:
ALL-MET-2157
Keywords: SMILES string - C[C@@]1([C@](C(COC(CCC(O...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE SULEPTANATE ETHYL ESTER
Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-...
CAS No:
N.A.
Molecular Formula: C35H53NO10S
Molecular Weight: 679.9
CAT No:
ALL-MET-2167
Keywords: SMILES string - C[C@@]1([C@@]2(O)C(COC(C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE SULEPTANATE METHYL ESTER
Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-...
CAS No:
N.A.
Molecular Formula: C34H51NO10S
Molecular Weight: 665.8
CAT No:
ALL-MET-2165
Keywords: SMILES string -CO[S](=O)(CCN(C(CCCCCCC(O...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE SULEPTANATE SEC BUTYL ESTER
Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-...
CAS No:
N.A.
Molecular Formula: C37H57NO10S
Molecular Weight: 707.9
CAT No:
ALL-MET-2163
Keywords: SMILES string - C[C@@]1([C@@]2(O)C(COC(...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE SULEPTANATE TERT BUTYL ESTER
Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-...
CAS No:
N.A.
Molecular Formula: C37H57NO10S
Molecular Weight: 707.9
CAT No:
ALL-MET-2161
Keywords: SMILES string - C[C@@]1([C@@]2(O)C(COC(C...
Inventory Status:DELIVERY 3-4 WEEKS
METHYLPREDNISOLONE-17-PROPIONATE-11, 21 DIACETATE
Chemical Name: (6S,8S,9S,10R,13S,14S,17R)-11-acetoxy-17...
CAS No:
N.A.
Molecular Formula: C29H38O8
Molecular Weight: 514.6
CAT No:
ALL-MET-2159
Keywords: SMILES string - O=C1C=C[C@]2(C)[C@@]3([H...
Inventory Status:DELIVERY 3-4 WEEKS