Levothyroxine
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We synthesize Levothyroxine Degradation Impurities, Levothyroxine Process
Impurities, Levothyroxine Potential Impurities, Levothyroxine USP Related
Compound, Levothyroxine N-Nitroso impurities, Levothyroxine nitrosamine impurities
etc.
Pharmaceutical Reference Standards
Levothyroxine
| CAT. No. | CP-L18000 |
|---|---|
| CAS. No. | 51-48-9 |
| Mol. F. | C15H11I4NO4 |
| Mol. Wt. | 776.87 |
| Stock Status: | In Stock |
Levothyroxine EP Impurity A
| CAT. No. | CP-L18001 |
|---|---|
| CAS. No. | 55-06-1 |
| Mol. F. | C15H11I3NNaO4 |
| Mol. Wt. | 672.96 |
| Stock Status: | In Stock |
Levothyroxine EP Impurity B
| CAT. No. | CP-L18002 |
|---|---|
| CAS. No. | 1628720-66-0 |
| Mol. F. | C15H11ClI3NO4 |
| Mol. Wt. | 685.4 |
| Stock Status: | Custom Synthesis |
Levothyroxine EP Impurity C
| CAT. No. | CP-L18003 |
|---|---|
| CAS. No. | 51-24-1 |
| Mol. F. | C14H9I3O4 |
| Mol. Wt. | 621.93 |
| Stock Status: | In Stock |
Levothyroxine EP Impurity D
| CAT. No. | CP-L18004 |
|---|---|
| CAS. No. | 67-30-1 |
| Mol. F. | C14H8I4O4 |
| Mol. Wt. | 747.82 |
| Stock Status: | In Stock |
Levothyroxine EP Impurity E
| CAT. No. | CP-L18005 |
|---|---|
| CAS. No. | 1041-01-6 |
| Mol. F. | C15H13I2NO4 |
| Mol. Wt. | 525.08 |
| Stock Status: | Custom Synthesis |
Levothyroxine EP Impurity F
| CAT. No. | CP-L18006 |
|---|---|
| CAS. No. | 911661-90-0 |
| Mol. F. | C21H13I6NO5 |
| Mol. Wt. | 1120.76 |
| Stock Status: | In Stock |
Levothyroxine EP Impurity G
| CAT. No. | CP-L18007 |
|---|---|
| CAS. No. | 2230724-39-5 |
| Mol. F. | C15H13I4NO2 |
| Mol. Wt. | 746.89 |
| Stock Status: | In Stock |
Levothyroxine EP Impurity H
| CAT. No. | CP-L18008 |
|---|---|
| CAS. No. | 2055-97-2 |
| Mol. F. | C13H6I4O4 |
| Mol. Wt. | 733.80 |
| Stock Status: | In Stock |
Levothyroxine EP Impurity I
| CAT. No. | CP-L18009 |
|---|---|
| CAS. No. | 2016-06-0 |
| Mol. F. | C13H6I4O3 |
| Mol. Wt. | 717.8 |
| Stock Status: | In Stock |
Levothyroxine EP Impurity J
| CAT. No. | CP-L18010 |
|---|---|
| CAS. No. | 4604-41-5 |
| Mol. F. | C15H13I2NO4 |
| Mol. Wt. | 525.1 |
| Stock Status: | Custom Synthesis |
Levothyroxine EP Impurity K
| CAT. No. | CP-L18011 |
|---|---|
| CAS. No. | 5817-39-0 |
| Mol. F. | C15H12I3NO4 |
| Mol. Wt. | 650.9 |
| Stock Status: | Custom Synthesis |
Levothyroxine N-Formyl Impurity
| CAT. No. | CP-L18013 |
|---|---|
| CAS. No. | 671235-41-9 |
| Mol. F. | C16H11I4NO5 |
| Mol. Wt. | 804.88 |
| Stock Status: | In Stock |
Levothyroxine N-Acetyl Impurity
| CAT. No. | CP-L18014 |
|---|---|
| CAS. No. | 26041-51-0 |
| Mol. F. | C17H13I4NO5 |
| Mol. Wt. | 818.91 |
| Stock Status: | In Stock |
Levothyroxine T4-Acetamide
| CAT. No. | CP-L18016 |
|---|---|
| CAS. No. | 176258-88-1 |
| Mol. F. | C14H9I4NO3 |
| Mol. Wt. | 746.84 |
| Stock Status: | In Stock |
Levothyroxine N-Methylamide
| CAT. No. | CP-L18017 |
|---|---|
| CAS. No. | 2088032-52-2 |
| Mol. F. | C16H14I4N2O3 |
| Mol. Wt. | 789.91 |
| Stock Status: | In Stock |
Levothyroxine-lactose maillard impurity
| CAT. No. | CP-L18020 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C27H31I4NO14 |
| Mol. Wt. | 1101.16 |
| Stock Status: | In Stock |
β-Hydroxy Thyroxine
| CAT. No. | CP-L18021 |
|---|---|
| CAS. No. | 107849-54-7 |
| Mol. F. | C15H11I4NO5 |
| Mol. Wt. | 792.87 |
| Stock Status: | In Stock |
Levothyroxine Methyl Ester
| CAT. No. | CP-L18022 |
|---|---|
| CAS. No. | 32180-11-3 |
| Mol. F. | C16H13I4NO4 |
| Mol. Wt. | 790.90 |
| Stock Status: | In Stock |
Levothyroxine Hydroxyphenoxy Aldehyde Impurity
| CAT. No. | CP-L18023 |
|---|---|
| CAS. No. | 2828-49-1 |
| Mol. F. | C13H8I2O3 |
| Mol. Wt. | 466.01 |
| Stock Status: | Custom Synthesis |
Levothyroxine Methoxyphenoxy Aldehyde Impurity
| CAT. No. | CP-L18024 |
|---|---|
| CAS. No. | 69240-57-9 |
| Mol. F. | C14H10I2O3 |
| Mol. Wt. | 480.04 |
| Stock Status: | Custom Synthesis |
Levothyroxine Monochloro Impurity
| CAT. No. | CP-L18025 |
|---|---|
| CAS. No. | 909279-46-5 |
| Mol. F. | C15H11ClI3NO4 |
| Mol. Wt. | 685.42 |
| Stock Status: | Custom Synthesis |
Levothyroxine Glucose Adduct
| CAT. No. | CP-L18026 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C21H21I4NO9 |
| Mol. Wt. | 939.01 |
| Stock Status: | Custom Synthesis |
Levothyroxine Mannitol Adduct
| CAT. No. | CP-L18028 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C21H23I4NO9 |
| Mol. Wt. | 941.03 |
| Stock Status: | Custom Synthesis |
Levothyroxine Lactose Adduct
| CAT. No. | CP-L18029 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C27H32I3NO14 |
| Mol. Wt. | 975.3 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 9
| CAT. No. | CP-L18030 |
|---|---|
| CAS. No. | 3861-58-3 |
| Mol. F. | C7H4INO4 |
| Mol. Wt. | 293.02 |
| Stock Status: | Custom Synthesis |
3,5,3\',5\'-Tetraiodo thyrolactic acid
| CAT. No. | CP-L18031 |
|---|---|
| CAS. No. | 7069-47-8 |
| Mol. F. | C15H10I4O5 |
| Mol. Wt. | 777.86 |
| Stock Status: | Custom Synthesis |
L-Tyrosine,3,5-diiodo-o-(4-Methoxyphenyl)
| CAT. No. | CP-L18032 |
|---|---|
| CAS. No. | 94345-95-6 |
| Mol. F. | C16H15I2NO4 |
| Mol. Wt. | 539.11 |
| Stock Status: | Custom Synthesis |
T4-Formic acid N-methylamide
| CAT. No. | CP-L18033 |
|---|---|
| CAS. No. | 2088032-78-2 |
| Mol. F. | C14H9I4NO3 |
| Mol. Wt. | 746.85 |
| Stock Status: | Custom Synthesis |
N-Acetyl L-thyroxine ethyl ester
| CAT. No. | CP-L18034 |
|---|---|
| CAS. No. | 30804-52-5 |
| Mol. F. | C19H17I4NO5 |
| Mol. Wt. | 846.96 |
| Stock Status: | Custom Synthesis |
N-ethylamide Levothyroxine
| CAT. No. | CP-L18035 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C17H16I4N2O3 |
| Mol. Wt. | 803.73 |
| Stock Status: | In Stock |
Levothyroxine sodium butyl ester impurity
| CAT. No. | CP-L18036 |
|---|---|
| CAS. No. | NA |
| Mol. F. | C20H19I4O4 : Na |
| Mol. Wt. | 830.99 : 23.0 |
| Stock Status: | In Stock |
Levothyroxine Sodium
| CAT. No. | CP-L18037 |
|---|---|
| CAS. No. | 55-03-8 |
| Mol. F. | C15H10I4NO4 : Na |
| Mol. Wt. | 775.87 : 23.0 |
| Stock Status: | Custom Synthesis |
Levothyroxine Sodium Hydrate
| CAT. No. | CP-L18038 |
|---|---|
| CAS. No. | 25416-65-3 |
| Mol. F. | C15H10I4NO4 : Na : x(H2O) |
| Mol. Wt. | 775.9 : 23.0 : x(18.0) |
| Stock Status: | Custom Synthesis |
Levothyroxine T4-Hydroxyacetic Acid
| CAT. No. | CP-L18039 |
|---|---|
| CAS. No. | 93647-48-4 |
| Mol. F. | C14H8I4O5 |
| Mol. Wt. | 763.8 |
| Stock Status: | Custom Synthesis |
Levothyroxine Ethyl Ester
| CAT. No. | CP-L18040 |
|---|---|
| CAS. No. | 76353-71-4 |
| Mol. F. | C17H15I4NO4 |
| Mol. Wt. | 804.9 |
| Stock Status: | Custom Synthesis |
Levothyroxine D-Isomer
| CAT. No. | CP-L18041 |
|---|---|
| CAS. No. | 51-49-0 |
| Mol. F. | C15H11I4NO4 |
| Mol. Wt. | 776.9 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 1
| CAT. No. | CP-L18042 |
|---|---|
| CAS. No. | 2055-94-9 |
| Mol. F. | C13H8I4O3 |
| Mol. Wt. | 719.8 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 2
| CAT. No. | CP-L18043 |
|---|---|
| CAS. No. | 176258-89-2 |
| Mol. F. | C14H10I4O2 |
| Mol. Wt. | 717.9 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 3
| CAT. No. | CP-L18044 |
|---|---|
| CAS. No. | 854646-83-6 |
| Mol. F. | C8H7I2NO3 |
| Mol. Wt. | 419 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 5
| CAT. No. | CP-L18045 |
|---|---|
| CAS. No. | 51-26-3 |
| Mol. F. | C15H11I3O4 |
| Mol. Wt. | 636 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 6
| CAT. No. | CP-L18046 |
|---|---|
| CAS. No. | 105172-64-3 |
| Mol. F. | C15H11I3N2O6 |
| Mol. Wt. | 696 |
| Stock Status: | Custom Synthesis |
3-Bromo-L-Thyroxine
| CAT. No. | CP-L18047 |
|---|---|
| CAS. No. | 1798894-90-2 |
| Mol. F. | C15H11BrI3NO4 |
| Mol. Wt. | 729.9 |
| Stock Status: | Custom Synthesis |
3,5-Dichloro-L-Tyrosine
| CAT. No. | CP-L18048 |
|---|---|
| CAS. No. | 15106-62-4 |
| Mol. F. | C9H9Cl2NO3 |
| Mol. Wt. | 250.1 |
| Stock Status: | Custom Synthesis |
3,5-Dibromo-L-Tyrosine
| CAT. No. | CP-L18049 |
|---|---|
| CAS. No. | 300-38-9 |
| Mol. F. | C9H9Br2NO3 |
| Mol. Wt. | 339 |
| Stock Status: | Custom Synthesis |
Thyroxamine
| CAT. No. | CP-L18050 |
|---|---|
| CAS. No. | 3571-49-1 |
| Mol. F. | C14H11I4NO2 |
| Mol. Wt. | 732.9 |
| Stock Status: | Custom Synthesis |
3-Monoiodothyronine
| CAT. No. | CP-L18051 |
|---|---|
| CAS. No. | 16170-92-6 |
| Mol. F. | C15H14INO4 |
| Mol. Wt. | 399.2 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 11
| CAT. No. | CP-L18052 |
|---|---|
| CAS. No. | 2244907-74-0 |
| Mol. F. | C13H12IO2 : CF3O3S |
| Mol. Wt. | 327.1 : 149.1 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 12
| CAT. No. | CP-L18053 |
|---|---|
| CAS. No. | 889871-36-7 |
| Mol. F. | C9H9ClINO3 |
| Mol. Wt. | 341.5 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 13
| CAT. No. | CP-L18054 |
|---|---|
| CAS. No. | 77667-01-7 |
| Mol. F. | C15H11BrI3NO4 |
| Mol. Wt. | 729.9 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 14
| CAT. No. | CP-L18055 |
|---|---|
| CAS. No. | 2088032-62-4 |
| Mol. F. | C30H21I7N2O8 |
| Mol. Wt. | 1425.8 |
| Stock Status: | Custom Synthesis |
3,3’,5-Triiodo-D-thyronine
| CAT. No. | CP-L18056 |
|---|---|
| CAS. No. | 5714-08-9 |
| Mol. F. | C15H12I3NO4 |
| Mol. Wt. | 651 |
| Stock Status: | Custom Synthesis |
Levothyroxine Impurity 16
| CAT. No. | CP-L18057 |
|---|---|
| CAS. No. | 92905-78-7 |
| Mol. F. | C14H10I3NO3 |
| Mol. Wt. | 621 |
| Stock Status: | Custom Synthesis |
O-(4-Hydroxy-3-iodophenyl) Levothyroxine
| CAT. No. | CP-L18058 |
|---|---|
| CAS. No. | 2086274-34-0 |
| Mol. F. | C21H14I5NO5 |
| Mol. Wt. | 994.9 |
| Stock Status: | Custom Synthesis |
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