T4-Acetamide

SZ CAT No:	SZ-L022016
CAS No	176258-88-1
Mol.F.	C14H9I4NO3
Mol.Wt.	746.8
Inv. Status	In Stock

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Chemical Name: 2-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetamide (as per USP)

Synonym: T4-Acetamide (USP)

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: OC1=C(I)C=C(OC2=C(I)C=C(CC(N)=O)C=C2I)C=C1I

T4-Acetamide is chemically 2-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetamide (as per USP). It is also known as T4-Acetamide (USP). T4-Acetamide is supplied with detailed characterization data compliant with regulatory guideline. T4-Acetamide can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Levothyroxine.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

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Levothyroxine EP Impurity I

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Levothyroxine EP Impurity J

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Levothyroxine EP Impurity K

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Levothyroxine Sodium Hydrate

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Mol.F.	: C15H10I4NO4 : Na : x(H2O)
Mol.Wt.	: 775.9 : 23.0 : x(18.0)
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Levothyroxine T4-Hydroxyacetic Acid

SZ CAT No:	: SZ-L022014
CAS No	: 93647-48-4
Mol.F.	: C14H8I4O5
Mol.Wt.	: 763.8
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Levothyroxine Sodium Pentahydrate

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CAS No	: 25416-65-3
Mol.F.	: C15H10I4NO4 : Na : 5(H2O)
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Levothyroxine EP Impurity A

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Mol.F.	: C15H11I3NO4 : Na
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Levothyroxine EP Impurity B

SZ CAT No:	: SZ-L022003
CAS No	: 1628720-66-0
Mol.F.	: C15H11ClI3NO4
Mol.Wt.	: 685.4
Inv. Status	: Custom Synthesis

Levothyroxine EP Impurity C

SZ CAT No:	: SZ-L022004
CAS No	: 51-24-1
Mol.F.	: C14H9I3O4
Mol.Wt.	: 621.9
Inv. Status	: In Stock

Levothyroxine EP Impurity D

SZ CAT No:	: SZ-L022005
CAS No	: 67-30-1
Mol.F.	: C14H8I4O4
Mol.Wt.	: 747.8
Inv. Status	: In Stock

Levothyroxine EP Impurity E

SZ CAT No:	: SZ-L022006
CAS No	: 1041-01-6
Mol.F.	: C15H13I2NO4
Mol.Wt.	: 525.1
Inv. Status	: In Stock

Levothyroxine N-Formyl Impurity

SZ CAT No:	: SZ-L022015
CAS No	: 671235-41-9
Mol.F.	: C16H11I4NO5
Mol.Wt.	: 804.9
Inv. Status	: In Stock

T4-Acetamide

SZ CAT No:	: SZ-L022016
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Mol.F.	: C14H9I4NO3
Mol.Wt.	: 746.8
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Levothyroxine N-Acetyl Impurity

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Mol.F.	: C17H13I4NO5
Mol.Wt.	: 818.9
Inv. Status	: In Stock

Levothyroxine Hydroxyphenoxy Aldehyde Impurity

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CAS No	: 2828-49-1
Mol.F.	: C13H8I2O3
Mol.Wt.	: 466.0
Inv. Status	: Custom Synthesis

Levothyroxine Methoxyphenoxy Aldehyde Impurity

SZ CAT No:	: SZ-L022019
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Mol.F.	: C14H10I2O3
Mol.Wt.	: 480.0
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Levothyroxine Ethyl Ester

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CAS No	: 76353-71-4
Mol.F.	: C17H15I4NO4
Mol.Wt.	: 804.9
Inv. Status	: Custom Synthesis

Levothyroxine Methyl Ester

SZ CAT No:	: SZ-L022021
CAS No	: 32180-11-3
Mol.F.	: C16H13I4NO4
Mol.Wt.	: 790.9
Inv. Status	: Custom Synthesis

Levothyroxine Monochloro Impurity

SZ CAT No:	: SZ-L022022
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Mol.F.	: C15H11ClI3NO4
Mol.Wt.	: 685.4
Inv. Status	: Limited Stock

Levothyroxine N-Methylamide (USP)

SZ CAT No:	: SZ-L022023
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Mol.F.	: C16H14I4N2O3
Mol.Wt.	: 789.9
Inv. Status	: In Stock

Levothyroxine D-Isomer

SZ CAT No:	: SZ-L022024
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Mol.F.	: C15H11I4NO4
Mol.Wt.	: 776.9
Inv. Status	: Custom Synthesis

Levothyroxine O-Methyl Amine Impurity

SZ CAT No:	: SZ-L022025
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Mol.F.	: C15H13I4NO2
Mol.Wt.	: 746.9
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3,5,3',5'-Tetraiodo Thyrolactic Acid

SZ CAT No:	: SZ-L022026
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Mol.F.	: C15H10I4O5
Mol.Wt.	: 777.9
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L-Tyrosine,3,5-diiodo-o-(4-Methoxyphenyl)

SZ CAT No:	: SZ-L022027
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Mol.F.	: C16H15I2NO4
Mol.Wt.	: 539.1
Inv. Status	: Custom Synthesis

Levothyroxine Impurity 1

SZ CAT No:	: SZ-L022028
CAS No	: 2055-94-9
Mol.F.	: C13H8I4O3
Mol.Wt.	: 719.8
Inv. Status	: In Stock

Levothyroxine Impurity 2

SZ CAT No:	: SZ-L022029
CAS No	: 176258-89-2
Mol.F.	: C14H10I4O2
Mol.Wt.	: 717.9
Inv. Status	: Custom Synthesis

Levothyroxine Impurity 3

SZ CAT No:	: SZ-L022030
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Mol.Wt.	: 419.0
Inv. Status	: In Stock

Levothyroxine Impurity 4

SZ CAT No:	: SZ-L022031
CAS No	: NA
Mol.F.	: C16H12I4NO4 : Na
Mol.Wt.	: 789.9 : 23.0
Inv. Status	: Custom Synthesis

Levothyroxine D3

SZ CAT No:	: SZ-L022D01
CAS No	: NA
Mol.F.	: C15H8D3I4NO4
Mol.Wt.	: 779.9
Inv. Status	: Custom Synthesis

Levothyroxine

SZ CAT No:	: SZ-L022032
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Mol.F.	: C15H11I4NO4
Mol.Wt.	: 776.9
Inv. Status	: In Stock

Levothyroxine Impurity 5

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Mol.F.	: C15H11I3O4
Mol.Wt.	: 636.0
Inv. Status	: In Stock

Levothyroxine Glucose Adduct

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Mol.F.	: C21H21I4NO9
Mol.Wt.	: 939.0
Inv. Status	: Out of Stock

T4-Formic acid N-methylamide

SZ CAT No:	: SZ-L022035
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Mol.F.	: C14H9I4NO3
Mol.Wt.	: 746.8
Inv. Status	: In Stock

Levothyroxine Impurity 6

SZ CAT No:	: SZ-L022036
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Mol.F.	: C15H11I3N2O6
Mol.Wt.	: 696.0
Inv. Status	: Custom Synthesis

N-Acetyl L-Thyroxine Ethyl Ester

SZ CAT No:	: SZ-L022037
CAS No	: 30804-52-5
Mol.F.	: C19H17I4NO5
Mol.Wt.	: 847.0
Inv. Status	: In Stock

3-Bromo-L-Thyroxine

SZ CAT No:	: SZ-L022038
CAS No	: 1798894-90-2
Mol.F.	: C15H11BrI3NO4
Mol.Wt.	: 729.9
Inv. Status	: Custom Synthesis

Liothyronine Maillard Lactose Impurity

SZ CAT No:	: SZ-L022039
CAS No	: NA
Mol.F.	: C27H32I3NO14
Mol.Wt.	: 975.3
Inv. Status	: In Stock

Levothyroxine Mannitol Adduct

SZ CAT No:	: SZ-L022040
CAS No	: NA
Mol.F.	: C21H23I4NO9
Mol.Wt.	: 941.0
Inv. Status	: Custom Synthesis

3,5-Dichloro-L-Tyrosine

SZ CAT No:	: SZ-L022041
CAS No	: 15106-62-4
Mol.F.	: C9H9Cl2NO3
Mol.Wt.	: 250.1
Inv. Status	: In Stock

3,5-Dibromo-L-tyrosine

SZ CAT No:	: SZ-L022042
CAS No	: 300-38-9
Mol.F.	: C9H9Br2NO3
Mol.Wt.	: 339.0
Inv. Status	: In Stock

β-Hydroxy Thyroxine

SZ CAT No:	: SZ-L022043
CAS No	: 107849-54-7
Mol.F.	: C15H11I4NO5
Mol.Wt.	: 792.9
Inv. Status	: Custom Synthesis

Levothyroxine Lactose Adduct

SZ CAT No:	: SZ-L022045
CAS No	: NA
Mol.F.	: C27H32I3NO14
Mol.Wt.	: 975.3
Inv. Status	: Custom Synthesis

Levothyroxine Impurity 9

SZ CAT No:	: SZ-L022047
CAS No	: 3861-58-3
Mol.F.	: C7H4INO4
Mol.Wt.	: 293.0
Inv. Status	: Custom Synthesis

Levothyroxine Sodium

SZ CAT No:	: SZ-L022044
CAS No	: 55-03-8
Mol.F.	: C15H10I4NO4 : Na
Mol.Wt.	: 775.9 : 23.0
Inv. Status	: Custom Synthesis

Thyroxamine Hydrochloride

SZ CAT No:	: SZ-L022048
CAS No	: 788824-71-5
Mol.F.	: C14H11I4NO2 : HCl
Mol.Wt.	: 732.9 : 36.5
Inv. Status	: In Stock

3-Monoiodothyronine

SZ CAT No:	: SZ-L022049
CAS No	: 16170-92-6
Mol.F.	: C15H14INO4
Mol.Wt.	: 399.2
Inv. Status	: Custom Synthesis

Levothyroxine Impurity 10

SZ CAT No:	: SZ-L022050
CAS No	: NA
Mol.F.	: C16H11I4NO5
Mol.Wt.	: 804.9
Inv. Status	: Custom Synthesis

Thyroxine Sodium

SZ CAT No:	: SZ-L022051
CAS No	: NA
Mol.F.	: C15H11I4NO4 : Na
Mol.Wt.	: 776.9 : 23.0
Inv. Status	: Custom Synthesis

Levothyroxine Impurity 11

SZ CAT No:	: SZ-L022052
CAS No	: 2244907-74-0
Mol.F.	: C13H12IO2 : CF3O3S
Mol.Wt.	: 327.1 : 149.1
Inv. Status	: Custom Synthesis

Levothyroxine Impurity 12

SZ CAT No:	: SZ-L022053
CAS No	: 889871-36-7
Mol.F.	: C9H9ClINO3
Mol.Wt.	: 341.5
Inv. Status	: In Stock

T4-Acetamide

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