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API名稱 :
Levothyroxine
Labelled stable isotope standards-API'S & API Impurities
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Levothyroxine
Levothyroxine
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CAT No
: VS-L041000
CAS No
: 51-48-9
Mol.F.
: C15H11I4NO4
Mol.Wt.
: 776.9
Status
: Custom Synthesis
Levothyroxine Sodium Hydrate
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CAT No
: VS-L041001
CAS No
: 25416-65-3
Mol.F.
: C15H10I4NNaO4 : 5(H2O)
Mol.Wt.
: 798.9 : 5(18.0)
Status
: Custom Synthesis
Levothyroxine EP Impurity A
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CAT No
: VS-L041002
CAS No
: 55-06-1
Mol.F.
: C15H11I3NO4 : Na
Mol.Wt.
: 650.0 : 23.0
Status
: Custom Synthesis
Levothyroxine EP Impurity B
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CAT No
: VS-L041003
CAS No
: 1628720-66-0
Mol.F.
: C15H11ClI3NO4
Mol.Wt.
: 685.4
Status
: Custom Synthesis
Levothyroxine EP Impurity C
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CAT No
: VS-L041004
CAS No
: 51-24-1
Mol.F.
: C14H9I3O4
Mol.Wt.
: 621.9
Status
: Custom Synthesis
Levothyroxine EP Impurity D
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CAT No
: VS-L041005
CAS No
: 67-30-1
Mol.F.
: C14H8I4O4
Mol.Wt.
: 747.8
Status
: Custom Synthesis
Levothyroxine EP Impurity E
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CAT No
: VS-L041006
CAS No
: 1041-01-6
Mol.F.
: C15H13I2NO4
Mol.Wt.
: 525.1
Status
: In Stock
Levothyroxine EP Impurity F
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CAT No
: VS-L041007
CAS No
: 911661-90-0
Mol.F.
: C21H13I6NO5
Mol.Wt.
: 1120.7
Status
: Custom Synthesis
Levothyroxine EP Impurity H
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CAT No
: VS-L041008
CAS No
: 2055-97-2
Mol.F.
: C13H6I4O4
Mol.Wt.
: 733.8
Status
: Custom Synthesis
Levothyroxine EP Impurity I
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CAT No
: VS-L041009
CAS No
: 2016-06-0
Mol.F.
: C13H6I4O3
Mol.Wt.
: 717.8
Status
: Custom Synthesis
Levothyroxine EP Impurity J
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CAT No
: VS-L041010
CAS No
: 4604-41-5
Mol.F.
: C15H13I2NO4
Mol.Wt.
: 525.1
Status
: Custom Synthesis
Levothyroxine EP Impurity k
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CAT No
: VS-L041011
CAS No
: 5817-39-0
Mol.F.
: C15H12I3NO4
Mol.Wt.
: 650.9
Status
: Custom Synthesis
Levothyroxine USP Sodium
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CAT No
: VS-L041012
CAS No
: N/A
Mol.F.
: C15H10I4NO4 : Na : x(H2O)
Mol.Wt.
: 775.9 : 23.0 : x(18.0)
Status
: Custom Synthesis
Levothyroxine USP A
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CAT No
: VS-L041013
CAS No
: N/A
Mol.F.
: C15H11I4NO5
Mol.Wt.
: 792.9
Status
: Custom Synthesis
Levothyroxine T4-Hydroxyacetic Acid
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CAT No
: VS-L041014
CAS No
: 93647-48-4
Mol.F.
: C14H8I4O5
Mol.Wt.
: 763.8
Status
: Custom Synthesis
Levothyroxine USP C
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CAT No
: VS-L041015
CAS No
: 671235-41-9
Mol.F.
: C16H11I4NO5
Mol.Wt.
: 804.9
Status
: Custom Synthesis
Levothyroxine USP D
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CAT No
: VS-L041016
CAS No
: N/A
Mol.F.
: C14H9I4NO3
Mol.Wt.
: 746.9
Status
: Custom Synthesis
Levothyroxine N-Acetyl Impurity
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CAT No
: VS-L041017
CAS No
: 26041-51-0
Mol.F.
: C17H13I4NO5
Mol.Wt.
: 818.9
Status
: Custom Synthesis
Levothyroxine Hydroxyphenoxy Aldehyde Impurity
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CAT No
: VS-L041018
CAS No
: 2828-49-1
Mol.F.
: C13H8I2O3
Mol.Wt.
: 466
Status
: Custom Synthesis
Levothyroxine Methoxyphenoxy Aldehyde Impurity
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CAT No
: VS-L041019
CAS No
: 69240-57-9
Mol.F.
: C14H10I2O3
Mol.Wt.
: 480
Status
: Custom Synthesis
Levothyroxine Ethyl Ester
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CAT No
: VS-L041020
CAS No
: 76353-71-4
Mol.F.
: C17H15I4NO4
Mol.Wt.
: 804.9
Status
: Custom Synthesis
Levothyroxine Methyl Ester
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CAT No
: VS-L041021
CAS No
: 32180-11-3
Mol.F.
: C16H13I4NO4
Mol.Wt.
: 790.9
Status
: Custom Synthesis
Levothyroxine Monochloro Impurity
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CAT No
: VS-L041022
CAS No
: 909279-46-5
Mol.F.
: C15H11ClI3NO4
Mol.Wt.
: 685.4
Status
: Custom Synthesis
Levothyroxine N-Methylamide (USP)
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CAT No
: VS-L041023
CAS No
: 2088032-52-2
Mol.F.
: C16H14I4N2O3
Mol.Wt.
: 789.9
Status
: Custom Synthesis
Levothyroxine D-Isomer
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CAT No
: VS-L041024
CAS No
: 51-49-0
Mol.F.
: C15H11I4NO4
Mol.Wt.
: 776.9
Status
: Custom Synthesis
Levothyroxine O-Methyl Amine Impurity
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CAT No
: VS-L041025
CAS No
: 2230724-39-5
Mol.F.
: C15H13I4NO2
Mol.Wt.
: 746.9
Status
: Custom Synthesis
3,5,3',5'-Tetraiodo thyrolactic acid
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CAT No
: VS-L041026
CAS No
: 7069-47-8
Mol.F.
: C15H10I4O5
Mol.Wt.
: 777.9
Status
: Custom Synthesis
L-Tyrosine,3,5-diiodo-o-(4-Methoxyphenyl)
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CAT No
: VS-L041027
CAS No
: 94345-95-6
Mol.F.
: C16H15I2NO4
Mol.Wt.
: 539.1
Status
: Custom Synthesis
Levothyroxine Glucose Adduct
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CAT No
: VS-L041028
CAS No
: N/A
Mol.F.
: C21H21I4NO9
Mol.Wt.
: 939
Status
: Custom Synthesis
T4-Formic acid N-methylamide
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CAT No
: VS-L041029
CAS No
: 2088032-78-2
Mol.F.
: C14H9I4NO3
Mol.Wt.
: 746.8
Status
: Custom Synthesis
N-Acetyl L-thyroxine ethyl ester
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CAT No
: VS-L041030
CAS No
: 30804-52-5
Mol.F.
: C19H17I4NO5
Mol.Wt.
: 847
Status
: Custom Synthesis
3-Bromo-L-thyroxine
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CAT No
: VS-L041031
CAS No
: 1798894-90-2
Mol.F.
: C15H11BrI3NO4
Mol.Wt.
: 729.9
Status
: Custom Synthesis
Liothyronine Maillard Lactose Impurity
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CAT No
: VS-L041032
CAS No
: N/A
Mol.F.
: C27H32I3NO14
Mol.Wt.
: 975.3
Status
: Custom Synthesis
Levothyroxine Mannitol Adduct
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CAT No
: VS-L041033
CAS No
: N/A
Mol.F.
: C21H23I4NO9
Mol.Wt.
: 941
Status
: Custom Synthesis
β-Hydroxy Thyroxine
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CAT No
: VS-L041034
CAS No
: 107849-54-7
Mol.F.
: C15H11I4NO5
Mol.Wt.
: 792.9
Status
: Custom Synthesis
Levothyroxine Lactose Adduct
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CAT No
: VS-L041035
CAS No
: N/A
Mol.F.
: C27H32I3NO14
Mol.Wt.
: 975.3
Status
: Custom Synthesis
Levothyroxine Impurity 1
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CAT No
: VS-L041036
CAS No
: 2055-94-9
Mol.F.
: C13H8I4O3
Mol.Wt.
: 719.8
Status
: Custom Synthesis
Levothyroxine Impurity 2
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CAT No
: VS-L041037
CAS No
: 176258-89-2
Mol.F.
: C14H10I4O2
Mol.Wt.
: 717.9
Status
: Custom Synthesis
Levothyroxine Impurity 3
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CAT No
: VS-L041038
CAS No
: 854646-83-6
Mol.F.
: C8H7I2NO3
Mol.Wt.
: 419
Status
: Custom Synthesis
Levothyroxine Impurity 4
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CAT No
: VS-L041039
CAS No
: N/A
Mol.F.
: C16H12I4NO4 : Na
Mol.Wt.
: 789.9 : 23.0
Status
: Custom Synthesis
Levothyroxine Impurity 5
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CAT No
: VS-L041040
CAS No
: 51-26-3
Mol.F.
: C15H11I3O4
Mol.Wt.
: 636
Status
: Custom Synthesis
Levothyroxine Impurity 6
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CAT No
: VS-L041041
CAS No
: 105172-64-3
Mol.F.
: C15H11I3N2O6
Mol.Wt.
: 696
Status
: Custom Synthesis
Levothyroxine Impurity 7
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CAT No
: VS-L041042
CAS No
: 300-38-9
Mol.F.
: C9H9Br2NO3
Mol.Wt.
: 339
Status
: Custom Synthesis
Levothyroxine Impurity 8
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CAT No
: VS-L041043
CAS No
: 15106-62-4
Mol.F.
: C9H9Cl2NO3
Mol.Wt.
: 250.1
Status
: Custom Synthesis
3,3’,5-Triiodo-D-thyronine
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CAT No
: VS-L041044
CAS No
: 5714-08-9
Mol.F.
: C15H12I3NO4
Mol.Wt.
: 651.01
Status
: Custom Synthesis
N-Formyl Thyroxine-13C6
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CAT No
: VS-L041045
CAS No
: 1346604-89-4
Mol.F.
: C16H11I4NO5
Mol.Wt.
: 810.84
Status
: Custom Synthesis
T4-Acetamide
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CAT No
: VS-L041046
CAS No
: 176258-88-1
Mol.F.
: C14H9I4NO3
Mol.Wt.
: 746.8
Status
: Custom Synthesis
LEVOTHYROXINE GALLIC ACID ADDUCT
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CAT No
: VS-L041047
CAS No
: NA
Mol.F.
: C22H15I4NO8
Mol.Wt.
: 928.97
Status
: Custom Synthesis
Levothyroxine stearic acid impurity 1
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CAT No
: VS-L041048
CAS No
: NA
Mol.F.
: C33H45I4NO5
Mol.Wt.
: 1043.34
Status
: Custom Synthesis
Levothyroxine stearic acid impurity 2
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CAT No
: VS-L041049
CAS No
: NA
Mol.F.
: C33H45I4NO5
Mol.Wt.
: 1043.33
Status
: Custom Synthesis
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