TLC Pharmaceutical Standards

TLC Pharmaceutical Standards

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LEVOTHYROXINE

L-4609

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Catalogue Number:	L-4609
Compound Name:	Levothyroxine Related Compound 5
Synonyms:	(S)-2-acetamido-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic acid
CAS#:	26041-51-0
Alternate CAS#:
Molecular Formula:	C₁₇H₁₃I₄NO₅
Molecular Weight:	818.91

Related Product

L-4602

Levothyroxine acyl glucuronide

Levothyroxine acyl glucuronide

CAS No. 909880-81-5

C21H19I4NO10

M.W. 953.00

L-4603

Levothyroxine acyl glucuronide

Levothyroxine Phenolic Glucuronide Disodium Salt

C₂₁H₁₇I₄NO₁₀. 2 Na

M.W. 950.98 2*22.99

L-4604

Levothyroxine acyl glucuronide

Levothyroxine sulfate

CAS No. 77074-49-8

C15H11I4NO7S

M.W. 856.94

L-4605

Levothyroxine acyl glucuronide

rac-Levothyroxine Impurity 22

CAS No. 2512209-79-7

C₁₅H₁₁I₄NO₅

M.W. 792.87

L-4606

Levothyroxine acyl glucuronide

Levothyroxine Impurity 64 (T4-Hydroacetic Acid)

CAS No. 93647-48-4

C₁₄H₈I₄O₅

M.W. 763.83

L-4607

Levothyroxine acyl glucuronide

Levothyroxine Impurity 56 (N-Formyl-T4)

CAS No. 671235-41-9

C₁₆H₁₁I₄NO₅

M.W. 804.88

L-4608

Levothyroxine acyl glucuronide

Levothyroxine Related Compound 4

CAS No. 176258-88-1

C₁₄H₉I₄NO₃

M.W. 746.85

L-4611

Levothyroxine acyl glucuronide

Levothyroxine EP Impurity I

CAS No. 2016-06-0

C₁₃H₆I₄O₃

M.W. 717.81

L-4612

Levothyroxine acyl glucuronide

Levothyroxine EP Impurity H

CAS No. 2055-97-2

C₁₃H₆I₄O₄

M.W. 733.80

L-4613

Levothyroxine acyl glucuronide

Levothyroxine Impurity 21

CAS No. 107849-54-7

C₁₅H₁₁I₄NO₅

M.W. 792.87

L-4614

Levothyroxine acyl glucuronide

Levothyroxine EP Impurity F

CAS No. 911661-90-0

C₂₁H₁₃I₆NO₅

M.W. 1120.76

L-4615

Levothyroxine acyl glucuronide

Levothyroxine N-Methylamine

C₁₆H₁₄I₄N₂O₃

M.W. 789.92

L-4616

Levothyroxine acyl glucuronide

N-Methylamide Levothyroxine

CAS No. 2088032-52-2

C₁₆H₁₄I₄N₂O₃

M.W. 789.92

L-4617

Levothyroxine acyl glucuronide

3,5-Diiodo-L-tyrosine

C9H9I2NO3

M.W. 432.99

L-4618

Levothyroxine acyl glucuronide

Levothyroxine Impurity 65

CAS No. 153324-21-1

C₁₃H₁₃I₂NO₅

M.W. 517.06

L-4619

Levothyroxine acyl glucuronide

Levothyroxine Impurity 66

CAS No. 1027-28-7

C₁₁H₁₁I₂NO₄

M.W. 475.02

L-4620

Levothyroxine acyl glucuronide

Levothyroxine Impurity 67

CAS No. 56460-41-4

C₁₂H₁₃I₂NO_4/

M.W. 489.05

L-4621

Levothyroxine acyl glucuronide

Bis(p-anisyl)iodonium bromide

C14H14IO2.Br

M.W. 341.17 79.90

L-4622

Levothyroxine acyl glucuronide

Levothyroxine Impurity 68

CAS No. 886203-79-8

C₁₈H₁₇I₂NO₅

M.W. 581.14

L-4623

Levothyroxine acyl glucuronide

Levothyroxine Impurity 69

C₁₅H₁₃BrINO₄

M.W. 478.08

L-4624

Levothyroxine acyl glucuronide

Levothyroxine Related Compound 10

CAS No. 94345-95-6

C₁₆H₁₅I₂NO₄

M.W. 539.11

L-4625

Levothyroxine acyl glucuronide

Levothyroxine Impurity 70

C₁₉H₁₉I₂NO₅

M.W. 595.17

L-4679

Levothyroxine acyl glucuronide

Levothyroxine EP Impurity J HCl (3,3'-L-Diiodothyronine HCl)

C₁₅H₁₃I₂NO₄. HCl

M.W. 525.08 36.46

L-4626

Levothyroxine acyl glucuronide

Levothyroxine EP Impurity B

CAS No. 1628720-66-0

C₁₅H₁₁ClI₃NO₄

M.W. 685.42

L-4627

Levothyroxine acyl glucuronide

rac-Levothyroxine EP Impurity J (3,3'-DL-Diiodothyronine)

CAS No. 70-40-6

C₁₅H₁₃I₂NO₄

M.W. 525.08

L-4628

Levothyroxine acyl glucuronide

Levothyroxine EP Impurity K (3,3',5'-Triiodo-L-Thyronine)

CAS No. 5817-39-0

C₁₅H₁₂I₃NO₄

M.W. 650.98

L-4631

Levothyroxine acyl glucuronide

Levothyroxine Impurity 10

CAS No. 909279-46-5

C₁₅H₁₁ClI₃NO₄

M.W. 685.42

L-4632

Levothyroxine acyl glucuronide

Levothyroxine-13C9-15N

CAS No. 1431868-11-9

C₆¹³C₉H₁₁I₄¹⁵NO₄

M.W. 786.80

L-4633

Levothyroxine acyl glucuronide

Levothyroxine Impurity 11

CAS No. 1155-40-4

C14H10I2O4

M.W. 496.04

L-4634

Levothyroxine acyl glucuronide

Levothyroxine Impurity 12

CAS No. 176258-89-2

C₁₄H₁₀I₄O₂

M.W. 717.85

L-4636

Levothyroxine acyl glucuronide

Levothyroxine Impurity 14

CAS No. 854646-83-6

C8H7I2NO3

M.W. 418.96

L-4637

Levothyroxine acyl glucuronide

Levothyroxine Impurity 15

C19H19I2NO5

M.W. 595.17

L-4638

Levothyroxine acyl glucuronide

Levothyroxine Impurity 16

CAS No. 3006-01-7

C₁₉H₁₈I₃NO₅

M.W. 721.07

L-4639

Levothyroxine acyl glucuronide

Levothyroxine Impurity 17

CAS No. 3914-31-6

C15H11I3O4

M.W. 635.96

L-4640

Levothyroxine acyl glucuronide

Levothyroxine Impurity 18

C₂₅H₁₉I₆NO₆

M.W. 1190.85

L-4641

Levothyroxine acyl glucuronide

Levothyroxine Impurity 19

C15H10I3NO5

M.W. 664.96

L-4642

Levothyroxine acyl glucuronide

Levothyroxine Impurity 20

CAS No. 2230724-39-5

C₁₅H₁₃I₄NO₂

M.W. 746.89

L-4643

Levothyroxine acyl glucuronide

Levothyroxine Glucose Adduct

C21H21I4NO9

M.W. 939.02

L-4644

Levothyroxine acyl glucuronide

Levothyroxine Lactose Adduct

C27H31I4NO14

M.W. 1101.16

L-4645

Levothyroxine acyl glucuronide

Levothyroxine Impurity 23

C21H14I5NO5

M.W. 994.87

L-4646

Levothyroxine acyl glucuronide

Levothyroxine Impurity 24

C15H11I4NO4

M.W. 776.87

L-4647

Levothyroxine acyl glucuronide

Levothyroxine Impurity 25

C21H14I5NO5

M.W. 994.87

L-4648

Levothyroxine acyl glucuronide

Levothyroxine Impurity 26

CAS No. 2088032-78-2

C₁₄H₉I₄NO₃

M.W. 746.85

L-4649

Levothyroxine acyl glucuronide

Levothyroxine Impurity 27

C29H13I8NO6

M.W. 1486.66

L-4650

Levothyroxine acyl glucuronide

Levothyroxine Impurity 28

C15H12I3NO5

M.W. 666.98

L-4651

Levothyroxine acyl glucuronide

Levothyroxine Impurity 29

CAS No. 2055-94-9

C13H8I4O3

M.W. 719.82

L-4652

Levothyroxine acyl glucuronide

Levothyroxine Impurity 30 Sodium Salt

C16H12I4NO4. Na

M.W. 789.90 22.99

L-4653

Levothyroxine acyl glucuronide

Levothyroxine Impurity 31

C18H16I4N2O5

M.W. 847.95

L-4654

Levothyroxine acyl glucuronide

Levothyroxine Impurity 32

C30H22I6N2O8

M.W. 1299.94

L-4655

Levothyroxine acyl glucuronide

Levothyroxine Impurity 33

C30H23I5N2O8

M.W. 1174.04

L-4656

Levothyroxine acyl glucuronide

Levothyroxine Impurity 34

C30H23I5N2O8

M.W. 1174.04

L-4657

Levothyroxine acyl glucuronide

Levothyroxine Impurity 35

C30H22I6N2O8

M.W. 1299.94

L-4658

Levothyroxine acyl glucuronide

Levothyroxine Impurity 36

CAS No. 2088032-62-4

C30H21I7N2O8

M.W. 1425.84

L-4659

Levothyroxine acyl glucuronide

Levothyroxine Impurity 37

C21H15I4NO5

M.W. 868.97

L-4660

Levothyroxine acyl glucuronide

Levothyroxine Impurity 39

C44H30I10N2O10

M.W. 2015.77

L-4661

Levothyroxine acyl glucuronide

Levothyroxine Impurity 40

C28H16I7NO7

M.W. 1366.77

L-4662

Levothyroxine acyl glucuronide

Levothyroxine Impurity 41

C28H16I7NO7

M.W. 1366.77

L-4663

Levothyroxine acyl glucuronide

Levothyroxine Impurity 42

C29H17I8NO8

M.W. 1522.69

L-4664

Levothyroxine acyl glucuronide

Levothyroxine Impurity 43

C29H17I8NO8

M.W. 1522.69

L-4665

Levothyroxine acyl glucuronide

Levothyroxine Lactose adduct 2 (Amadori Rearrangement Product)

C27H31I4NO14

M.W. 1101.16

L-4666

Levothyroxine acyl glucuronide

Levothyroxine Impurity 44

CAS No. 7069-47-8

C₁₅H₁₀I₄O₅

M.W. 777.86

L-4667

Levothyroxine acyl glucuronide

Levothyroxine Impurity 45

CAS No. 30804-52-5

C19H17I4NO5

M.W. 846.96

L-4668

Levothyroxine acyl glucuronide

Levothyroxine Impurity 46

C₁₃H₁₂INO₂

M.W. 341.15

L-4669

Levothyroxine acyl glucuronide

Levothyroxine Impurity 47

CAS No. 92028-82-5

C₁₃H₁₃NO₂

M.W. 215.25

L-4670

Levothyroxine acyl glucuronide

Levothyroxine Impurity 48

C₁₃H₁₁I₂NO₂

M.W. 467.04

L-4671

Levothyroxine acyl glucuronide

Levothyroxine Impurity 49

C₁₃H₁₁I₂NO₂

M.W. 467.04

L-4672

Levothyroxine acyl glucuronide

Levothyroxine Impurity 50

C₁₃H₁₀I₃NO₂

M.W. 592.94

L-4673

Levothyroxine acyl glucuronide

Levothyroxine Impurity 51

C₁₃H₁₀I₃NO₂

M.W. 592.94

L-4674

Levothyroxine acyl glucuronide

Levothyroxine Impurity 52

C₁₃H₉I₄NO₂

M.W. 718.84

L-4675

Levothyroxine acyl glucuronide

Levothyroxine Impurity 53 (Mixture of Diastereomers)

C₂₁H₁₅I₄NO₉

M.W. 932.97

L-4676

Levothyroxine acyl glucuronide

Levothyroxine Impurity 54

CAS No. 105172-64-3

C₁₅H₁₁I₃N₂O₆

M.W. 695.97

L-4677

Levothyroxine acyl glucuronide

Levothyroxine Impurity 55

C₁₅H₁₁I₄NO₅

M.W. 792.87

L-4678

Levothyroxine acyl glucuronide

Levothyroxine Related Compound 5-d3

C₁₇H₁₀D₃I₄NO₅

M.W. 821.93

L-4680

Levothyroxine acyl glucuronide

Levothyroxine Impurity 57

CAS No. 3861-58-3

C₇H₄INO₄

M.W. 293.02

L-4681

Levothyroxine acyl glucuronide

rac-Levothyroxine EP Impurity J HCl (3,3'-DL-Diiodothyronine HCl)

CAS No. 2668306-64-5

C₁₅H₁₃I₂NO₄. HCl

M.W. 525.08 36.46

L-4682

Levothyroxine acyl glucuronide

Levothyroxine Impurity 58

CAS No. 176258-87-0

C₁₄H₁₁I₃O₂

M.W. 591.95

L-4683

Levothyroxine acyl glucuronide

Levothyroxine Impurity 59

CAS No. 1158-10-7

C₁₅H₁₂I₂O₄

M.W. 510.07

L-4684

Levothyroxine acyl glucuronide

Levothyroxine Impurity 60

CAS No. 51-26-3

C₁₅H₁₁I₃O₄

M.W. 635.96

L-4685

Levothyroxine acyl glucuronide

Levothyroxine Impurity 61 (Mixture of Diastereomers)

C₂₁H₁₅I₄NO₉

M.W. 932.97

L-4686

Levothyroxine acyl glucuronide

Levothyroxine Impurity 62 (Mixture of Diastereomers)

C₂₁H₁₇I₄NO₁₀

M.W. 950.98

L-4687

Levothyroxine acyl glucuronide

Levothyroxine EP Impurity K (R-Isomer)

CAS No. 66701-15-3

C₁₅H₁₂I₃NO₄

M.W. 650.98

L-4688

Levothyroxine acyl glucuronide

Levothyroxine Impurity 63

C₁₅H₁₁ClI₃NO₅

M.W. 701.42

L-4689

Levothyroxine acyl glucuronide

Levothyroxine Impurity 71

C₃₃H₄₅I₄NO₅

M.W. 1043.34

L-4690

Levothyroxine acyl glucuronide

Levothyroxine Impurity 72

C₃₃H₄₅I₄NO₅

M.W. 1043.34

L-4691

Levothyroxine acyl glucuronide

Levothyroxine Mannitol Adduct HCl

C₂₁H₂₃I₄NO₉. HCl

M.W. 941.03 36.46

L-4692

Levothyroxine acyl glucuronide

Levothyroxine Impurity 73

CAS No. 106822-80-4

C₁₇H₁₆O₇

M.W. 332.31

L-4693

Levothyroxine acyl glucuronide

Levothyroxine Impurity 74

C₂₂H₁₅I₄NO₈

M.W. 928.98

L-4694

Levothyroxine acyl glucuronide

Levothyroxine Impurity 75

C₁₂H₆I₄O₃

M.W. 705.79