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Levothyroxine and Impurities

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BrandProduct dataPurityPrice rangeEstimated delivery
TLC logo
Levothyroxine Impurity 53 (Mixture of Diastereomers)
REF: 4Z-L-4675		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine EP Impurity I
REF: 4Z-L-4611CAS: 2016-06-0 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine EP Impurity K (R-Isomer)
REF: 4Z-L-4687CAS: 66701-15-3 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Impurity 11
REF: 4Z-L-4633CAS: 1155-40-4 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Impurity 67
REF: 4Z-L-4620CAS: 56460-41-4 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine-13C9-15N
REF: 4Z-L-4632CAS: 1431868-11-9 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Impurity 21
REF: 4Z-L-4613CAS: 107849-54-7 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Impurity 44
REF: 4Z-L-4666CAS: 7069-47-8 		- - -To inquireThu 12 Dec 24
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Levothyroxine Impurity 30 Sodium Salt
REF: 4Z-L-4652		- - -To inquireThu 12 Dec 24
TLC logo
rac-Levothyroxine Impurity 22
REF: 4Z-L-4605CAS: 2512209-79-7 		- - -To inquireThu 12 Dec 24
TLC logo
N-Methylamide Levothyroxine
REF: 4Z-L-4616CAS: 2088032-52-2 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Impurity 69
REF: 4Z-L-4623		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine EP Impurity F
REF: 4Z-L-4614CAS: 911661-90-0 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Impurity 26
REF: 4Z-L-4648CAS: 2088032-78-2 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Impurity 20
REF: 4Z-L-4642CAS: 2230724-39-5 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Related Compound 4
REF: 4Z-L-4608CAS: 176258-88-1 		- - -To inquireThu 12 Dec 24
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rac-Levothyroxine EP Impurity J HCl (3,3'-DL-Diiodothyronine HCl)
REF: 4Z-L-4681CAS: 2668306-64-5 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine Impurity 65
REF: 4Z-L-4618CAS: 153324-21-1 		- - -To inquireThu 12 Dec 24
TLC logo
rac-Levothyroxine EP Impurity J (3,3'-DL-Diiodothyronine)
REF: 4Z-L-4627CAS: 70-40-6 		- - -To inquireThu 12 Dec 24
TLC logo
Levothyroxine EP Impurity K (3,3',5'-Triiodo-L-Thyronine)
REF: 4Z-L-4628CAS: 5817-39-0 		- - -To inquireThu 12 Dec 24
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Levothyroxine Impurity 53 (Mixture of Diastereomers)
TLC logo
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Levothyroxine Impurity 53 (Mixture of Diastereomers)

Formula:
C21H15I4NO9
Molecular weight:
932.97

Ref: 4Z-L-4675

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine EP Impurity I
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Levothyroxine EP Impurity I

CAS:2016-06-0
Formula:
C13H6I4O3
Color and Shape:
White To Off-White Solid
Molecular weight:
717.81

Ref: 4Z-L-4611

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine EP Impurity K (R-Isomer)
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Levothyroxine EP Impurity K (R-Isomer)

CAS:66701-15-3
Formula:
C15H12I3NO4
Molecular weight:
650.98

Ref: 4Z-L-4687

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 11
TLC logo
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Levothyroxine Impurity 11

CAS:1155-40-4
Formula:
C14H10I2O4
Color and Shape:
White To Off-White Solid
Molecular weight:
496.04

Ref: 4Z-L-4633

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 67
TLC logo
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Levothyroxine Impurity 67

CAS:56460-41-4
Formula:
C12H13I2NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
489.05

Ref: 4Z-L-4620

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine-13C9-15N
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Levothyroxine-13C9-15N

CAS:1431868-11-9
Formula:
C613C9H11I415NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
786.80

Ref: 4Z-L-4632

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100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 21
TLC logo
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Levothyroxine Impurity 21

CAS:107849-54-7
Formula:
C15H11I4NO5
Color and Shape:
White To Off-White Solid
Molecular weight:
792.87

Ref: 4Z-L-4613

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 44
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Levothyroxine Impurity 44

CAS:7069-47-8
Formula:
C15H10I4O5
Color and Shape:
White To Off-White Solid
Molecular weight:
777.86

Ref: 4Z-L-4666

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25mgTo inquire
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100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 30 Sodium Salt
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Levothyroxine Impurity 30 Sodium Salt

Formula:
C16H12I4NO4·Na
Color and Shape:
White To Off-White Solid
Molecular weight:
789.90 22.99

Ref: 4Z-L-4652

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100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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rac-Levothyroxine Impurity 22
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rac-Levothyroxine Impurity 22

CAS:2512209-79-7
Formula:
C15H11I4NO5
Color and Shape:
White To Off-White Solid
Molecular weight:
792.87

Ref: 4Z-L-4605

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50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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N-Methylamide Levothyroxine
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N-Methylamide Levothyroxine

CAS:2088032-52-2
Formula:
C16H14I4N2O3
Color and Shape:
White To Off-White Solid
Molecular weight:
789.92

Ref: 4Z-L-4616

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 69
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Levothyroxine Impurity 69

Formula:
C15H13BrINO4
Molecular weight:
478.08

Ref: 4Z-L-4623

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine EP Impurity F
TLC logo
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Levothyroxine EP Impurity F

CAS:911661-90-0
Formula:
C21H13I6NO5
Color and Shape:
White To Off-White Solid
Molecular weight:
1120.76

Ref: 4Z-L-4614

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 26
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Levothyroxine Impurity 26

CAS:2088032-78-2
Formula:
C14H9I4NO3
Color and Shape:
White To Off-White Solid
Molecular weight:
746.85

Ref: 4Z-L-4648

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 20
TLC logo
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Levothyroxine Impurity 20

CAS:2230724-39-5
Formula:
C15H13I4NO2
Color and Shape:
White To Off-White Solid
Molecular weight:
746.89

Ref: 4Z-L-4642

10mgTo inquire
25mgTo inquire
50mg3,306.00 €
100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Related Compound 4
TLC logo
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Levothyroxine Related Compound 4

CAS:176258-88-1
Formula:
C14H9I4NO3
Color and Shape:
White To Off-White Solid
Molecular weight:
746.85

Ref: 4Z-L-4608

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25mgTo inquire
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100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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rac-Levothyroxine EP Impurity J HCl (3,3'-DL-Diiodothyronine HCl)
TLC logo
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rac-Levothyroxine EP Impurity J HCl (3,3'-DL-Diiodothyronine HCl)

CAS:2668306-64-5
Formula:
C15H13I2NO4·HCl
Color and Shape:
White To Off-White Solid
Molecular weight:
525.08 36.46

Ref: 4Z-L-4681

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Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine Impurity 65
TLC logo
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Levothyroxine Impurity 65

CAS:153324-21-1
Formula:
C13H13I2NO5
Color and Shape:
White To Off-White Solid
Molecular weight:
517.06

Ref: 4Z-L-4618

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100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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rac-Levothyroxine EP Impurity J (3,3'-DL-Diiodothyronine)
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rac-Levothyroxine EP Impurity J (3,3'-DL-Diiodothyronine)

CAS:70-40-6
Formula:
C15H13I2NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
525.08

Ref: 4Z-L-4627

10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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Levothyroxine EP Impurity K (3,3',5'-Triiodo-L-Thyronine)
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Levothyroxine EP Impurity K (3,3',5'-Triiodo-L-Thyronine)

CAS:5817-39-0
Formula:
C15H12I3NO4
Color and Shape:
White To Off-White Solid
Molecular weight:
650.98

Ref: 4Z-L-4628

10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Thursday 12 Dec 2024
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