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    Levothyroxine Impurity C

    Levothyroxine Impurity C

    Synonym

    2-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)aceticacid

    Molecular Formula

    C14H9I3O4

    Molecular Weight

    621.94

    Catalogue Number

    AR-L01623

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    51-24-1

    Common Package:10,25,50,100 mg

    Collections: LEVOTHYROXINE

    Category: 51-24-1 AR-L01623 C14H9I3O4 LEVOTHYROXINE

    RELATED PRODUCTS
    (S)-2-amino-3-(4-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

    Synonym

    (S)-2-amino-3-(4-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C21H14I5NO5

    Molecular Weight

    994.87

    Catalogue Number

    AR-L01637

    Parent Drug

    LEVOTHYROXINE
    Levothyroxine Lactose Adduct

    Synonym

    (S)-2-(((2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)amino)-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C27H31I4NO14

    Molecular Weight

    1101.16

    Catalogue Number

    AR-L01636

    Parent Drug

    LEVOTHYROXINE
    Levothyroxine Glucose Adduct

    Synonym

    (S)-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)amino)propanoicacid

    Molecular Formula

    C21H21I4NO9

    Molecular Weight

    939.02

    Catalogue Number

    AR-L01635

    Parent Drug

    LEVOTHYROXINE
    2-(4-(3,5-diiodo-4-methoxyphenoxy)-3,5-diiodophenyl)ethanamine

    Synonym

    2-(4-(3,5-diiodo-4-methoxyphenoxy)-3,5-diiodophenyl)ethanamine

    Molecular Formula

    C15H13I4NO2

    Molecular Weight

    746.89

    Catalogue Number

    AR-L01634

    Parent Drug

    LEVOTHYROXINE
    (S)-3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)-2-nitrosopropanoicacid

    Synonym

    (S)-3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)-2-nitrosopropanoicacid

    Molecular Formula

    C15H10I3NO5

    Molecular Weight

    664.96

    Catalogue Number

    AR-L01633

    Parent Drug

    LEVOTHYROXINE
    (S)-ethyl2-acetamido-3-(4-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoate

    Synonym

    (S)-ethyl2-acetamido-3-(4-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoate

    Molecular Formula

    C25H19I6NO6

    Molecular Weight

    1190.85

    Catalogue Number

    AR-L01632

    Parent Drug

    LEVOTHYROXINE
    3-(4-(4-hydroxy-3,5-diiodophenoxy)-3-iodophenyl)propanoicacid

    Synonym

    3-(4-(4-hydroxy-3,5-diiodophenoxy)-3-iodophenyl)propanoicacid

    Molecular Formula

    C15H11I3O4

    Molecular Weight

    635.96

    Catalogue Number

    AR-L01631

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    3914-31-6
    (S)-ethyl2-acetamido-3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)propanoate

    Synonym

    (S)-ethyl2-acetamido-3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)propanoate

    Molecular Formula

    C19H18I3NO5

    Molecular Weight

    721.07

    Catalogue Number

    AR-L01630

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    3006-01-7
    (S)-ethyl2-acetamido-3-(4-(4-hydroxyphenoxy)-3,5-diiodophenyl)propanoate

    Synonym

    (S)-ethyl2-acetamido-3-(4-(4-hydroxyphenoxy)-3,5-diiodophenyl)propanoate

    Molecular Formula

    C19H19I2NO5

    Molecular Weight

    595.17

    Catalogue Number

    AR-L01629

    Parent Drug

    LEVOTHYROXINE
    3,5-Diiodo Thyroacetic Acid

    Synonym

    2-(4-(4-hydroxyphenoxy)-3,5-diiodophenyl)aceticacid

    Molecular Formula

    C14H10I2O4

    Molecular Weight

    496.04

    Catalogue Number

    AR-L01626

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    1155-40-4
    Levothyroxine-13C9-15N

    Synonym

    (S)-2-amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid-13915N

    Molecular Formula

    13C9 15N C6H11I4O4

    Molecular Weight

    786.80

    Catalogue Number

    AR-L01625

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    1431868-11-9
    Levothyroxine Monochloro Impurity

    Synonym

    (S)-2-amino-3-(3-chloro-4-(4-hydroxy-3,5-diiodophenoxy)-5-iodophenyl)propanoicacid

    Molecular Formula

    C15H11ClI3NO4

    Molecular Weight

    685.43

    Catalogue Number

    AR-L01624

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    909279-46-5
    Levothyroxine Impurity K

    Synonym

    (S)-2-amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3-iodophenyl)propanoicacid

    Molecular Formula

    C15H12I3NO4

    Molecular Weight

    650.98

    Catalogue Number

    AR-L01622

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    5817-39-0
    Levothyroxine Impurity J (3,3'-L-Diiodothyronine)

    Synonym

    (S)-2-amino-3-(4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl)propanoicacid

    Molecular Formula

    C15H13I2NO4

    Molecular Weight

    525.08

    Catalogue Number

    AR-L01621

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    4604-41-5
    Levothyroxine EP Impurity B

    Synonym

    (S)-2-amino-3-(4-(3-chloro-4-hydroxy-5-iodophenoxy)-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C15H11ClI3NO4

    Molecular Weight

    685.43

    Catalogue Number

    AR-L01620

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    1628720-66-0
    Levothyroxine Related Compound 11

    Synonym

    (S)-methyl2-acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)propanoate

    Molecular Formula

    C19H19I2NO5

    Molecular Weight

    595.17

    Catalogue Number

    AR-L01619

    Parent Drug

    LEVOTHYROXINE
    Levothyroxine Related Compound 9 (2-Amino-3(3-bromo-4-(4-hydroxyphenoxy)-5-iodophenyl)propanoic Acid

    Synonym

    (S)-2-amino-3-(3-bromo-4-(4-hydroxyphenoxy)-5-iodophenyl)propanoicacid

    Molecular Formula

    C15H13BrINO4

    Molecular Weight

    478.08

    Catalogue Number

    AR-L01617

    Parent Drug

    LEVOTHYROXINE
    Levothyroxine Related Compound 8 (2-Acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoic Acid)

    Synonym

    (S)-2-acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)propanoicacid

    Molecular Formula

    C18H17I2NO5

    Molecular Weight

    581.15

    Catalogue Number

    AR-L01616

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    886203-79-8
    Bis(p-anisyl)iodonium bromide

    Synonym

    bis(4-methoxyphenyl)iodoniumbromide

    Molecular Formula

    C14H14IO2.Br

    Molecular Weight

    341.17 79.90

    Catalogue Number

    AR-L01615

    Parent Drug

    LEVOTHYROXINE
    Levothyroxine Related Compound 7

    Synonym

    (S)-methyl2-acetamido-3-(4-hydroxy-3,5-diiodophenyl)propanoate

    Molecular Formula

    C12H13I2NO4

    Molecular Weight

    489.05

    Catalogue Number

    AR-L01614

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    56460-41-4
    Levothyroxine Related Compound 1 (N-Acetyl-3,5-Diiodo-L-Tyrosine)

    Synonym

    (S)-2-acetamido-3-(4-hydroxy-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C11H11I2NO4

    Molecular Weight

    475.02

    Catalogue Number

    AR-L01613

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    1027-28-7
    Levothyroxine Related Compound 6

    Synonym

    (S)-2-acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C13H13I2NO5

    Molecular Weight

    517.06

    Catalogue Number

    AR-L01612

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    153324-21-1
    3,5-Diiodo-L-tyrosine

    Synonym

    (S)-2-amino-3-(4-hydroxy-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C9H9I2NO3

    Molecular Weight

    432.99

    Catalogue Number

    AR-L01611

    Parent Drug

    LEVOTHYROXINE
    N-Methylamide Levothyroxine

    Synonym

    (Ī±S)-Ī±-Amino-4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo-N methylbenzenepropanamide

    Molecular Formula

    C16H14I4N2O3

    Molecular Weight

    789.91

    Catalogue Number

    AR-L01610

    Parent Drug

    Levothyroxine

    CAS Number

    2088032-52-2
    Levothyroxine N-Methylamine

    Synonym

    (S)-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-2-(methylamino)propanamide

    Molecular Formula

    C16H14I4N2O3

    Molecular Weight

    789.92

    Catalogue Number

    AR-L01609

    Parent Drug

    LEVOTHYROXINE
    Levothyroxine EP Impurity F

    Synonym

    (S)-2-amino-3-(4-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C21H13I6NO5

    Molecular Weight

    1120.77

    Catalogue Number

    AR-L01608

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    911661-90-0
    2-amino-3-hydroxy-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

    Synonym

    2-amino-3-hydroxy-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C15H11I4NO5

    Molecular Weight

    792.87

    Catalogue Number

    AR-L01607

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    107849-54-7
    Levothyroxine EP Impurity H

    Synonym

    4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoicacid

    Molecular Formula

    C13H6I4O4

    Molecular Weight

    733.80

    Catalogue Number

    AR-L01606

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    2055-97-2
    Levothyroxine EP Impurity I (4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde)

    Synonym

    4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde

    Molecular Formula

    C13H6I4O3

    Molecular Weight

    717.81

    Catalogue Number

    AR-L01605

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    2016-06-0
    2-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetic acid

    Synonym

    2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)aceticacid

    Molecular Formula

    C14H8I4O4

    Molecular Weight

    747.84

    Catalogue Number

    AR-L01604

    Parent Drug

    LEVOTHYROXINE
    Levothyroxine Related Compound 5 [N-Acetyl-O-(4-Hydroxy-3,5-Diiodophenyl)-3,5-Diiodo-L-Tyrosine]

    Synonym

    (S)-2-acetamido-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C17H13I4NO5

    Molecular Weight

    818.91

    Catalogue Number

    AR-L01603

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    26041-51-0
    Levothyroxine Related Compound 4 (2-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetamide)

    Synonym

    2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetamide

    Molecular Formula

    C14H9I4NO3

    Molecular Weight

    746.85

    Catalogue Number

    AR-L01602

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    176258-88-1
    Levothyroxine Related Compound 3 (N-Formyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-Tyrosine)

    Synonym

    (S)-2-formamido-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C16H11I4NO5

    Molecular Weight

    804.88

    Catalogue Number

    AR-L01601

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    671235-41-9
    Levothyroxine Related Compound 2

    Synonym

    2-hydroxy-2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)aceticacid

    Molecular Formula

    C14H8I4O5

    Molecular Weight

    763.83

    Catalogue Number

    AR-L01600

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    93647-48-4
    (O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-hydroxy-l-tyrosine)(S)-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-2-(hydroxyamino)propanoicacid

    Synonym

    (O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-hydroxy-l-tyrosine)(S)-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-2-(hydroxyamino)propanoicacid

    Molecular Formula

    C15H11I4NO5

    Molecular Weight

    792.88

    Catalogue Number

    AR-L01599

    Parent Drug

    LEVOTHYROXINE
    Levothyroxine sulfate

    Synonym

    (S)-2-amino-3-(4-(3,5-diiodo-4-(sulfooxy)phenoxy)-3,5-diiodophenyl)propanoicacid

    Molecular Formula

    C15H11I4NO7S

    Molecular Weight

    856.94

    Catalogue Number

    AR-L01598

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    77074-49-8
    Levothyroxine phenolic glucuronide

    Synonym

    (2S,3S,4S,5R,6S)-6-(4-(4-((S)-2-amino-2-carboxyethyl)-2,6-diiodophenoxy)-2,6-diiodophenoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylicacid

    Molecular Formula

    C21H19I4NO10

    Molecular Weight

    953.00

    Catalogue Number

    AR-L01597

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    21462-56-6
    Levothyroxine acyl glucuronide

    Synonym

    (2S,3S,4S,5R,6S)-6-(((S)-2-amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylicacid

    Molecular Formula

    C21H19I4NO10

    Molecular Weight

    953.00

    Catalogue Number

    AR-L01596

    Parent Drug

    LEVOTHYROXINE

    CAS Number

    909880-81-5
    Levothyroxine-13C6

    Synonym

    (S)-2-amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoicacid-13C6

    Molecular Formula

    13C6 C9H11I4NO4

    Molecular Weight

    782.81

    Catalogue Number

    AR-L01595

    Parent Drug

    LEVOTHYROXINE