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| Product | Description | |
|---|---|---|
| Levothyroxine | Levothyroxine. Group: Biochemicals. Grades: Highly Purified. CAS No. 51-48-9. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences. |  Worldwide |
| Levothyroxine acyl glucuronide | a major metabolite and glucuronide conjugate of Thyroxine. Synonyms: Thyroxine Acyl-β-D-Glucuronide; O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine β-D-Glucopyranuronosyl Ester. Grades: > 95%. CAS No. 909880-81-5. Molecular formula: C21H19I4NO10. Mole weight: 953.00. |  |
| Levothyroxine EP Impurity A | Levothyroxine EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 6893-2-3. Molecular Formula: C15H12I3NO4. Mole Weight: 650.98. Catalog: APB6893023. |  |
| Levothyroxine EP Impurity B | Levothyroxine EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1628720-66-0. Molecular Formula: C15H11ClI3NO4. Mole Weight: 685.42. Catalog: APB1628720660. | |
| Levothyroxine EP Impurity C | Levothyroxine EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. CAS No. 51-24-1. Molecular Formula: C14H9I3O4. Mole Weight: 621.94. Catalog: APB51241. | |
| Levothyroxine EP Impurity E | Levothyroxine EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1041-01-6. Molecular Formula: C15H13I2NO4. Mole Weight: 525.08. Catalog: APB1041016. | |
| Levothyroxine EP Impurity F | Levothyroxine EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 911661-90-0. Molecular Formula: C21H13I6NO5. Mole Weight: 1120.76. Catalog: APB911661900. | |
| Levothyroxine EP Impurity H | Levothyroxine EP Impurity H. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2055-97-2. Molecular Formula: C13H6I4O4. Mole Weight: 733.8. Catalog: APB2055972. | |
| Levothyroxine EP Impurity I | Levothyroxine EP Impurity I. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2016-06-0. Molecular Formula: C13H6I4O3. Mole Weight: 717.81. Catalog: APB2016060. | |
| Levothyroxine EP Impurity J | Levothyroxine EP Impurity J. Uses: For analytical and research use. Group: Impurity standards. CAS No. 4604-41-5. Molecular Formula: C15H13I2NO4. Mole Weight: 525.08. Catalog: APB4604415. | |
| Levothyroxine EP Impurity K | Levothyroxine EP Impurity K. Uses: For analytical and research use. Group: Impurity standards. CAS No. 5817-39-0. Molecular Formula: C15H12I3NO4. Mole Weight: 650.98. Catalog: APB5817390. | |
| Levothyroxine impurity 1 | Levothyroxine impurity 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C27H31I4NO14. Mole Weight: 1101.16. Catalog: APB11564. | |
| Levothyroxine impurity 10 | Levothyroxine impurity 10. Uses: For analytical and research use. Group: Impurity standards. CAS No. 4367-89-9. Molecular Formula: C16H13I4NO4. Mole Weight: 790.9. Catalog: APB4367899. | |
| Levothyroxine Impurity 10 | a chlorinated derivative of 3,3',5'-Triiodo-L-thyronine. Synonyms: 3-Chloro-3',5,5'-triiodo-L-thyronine; 3-[3-Chloro-4(4-hydroxy-3,5-diodophenoxy)-5-iodopheyl]-L-Alanine. Grades: > 95%. CAS No. 909279-46-5. Molecular formula: C15H11ClI3NO4. Mole weight: 685.43. | |
| Levothyroxine Impurity 11 | The acetic acid analog of Thyroxine. A potent Thyroxine impurity. Synonyms: 3,5-Diiodo Thyroacetic Acid; 4-(4-Hydroxyphenoxy)-3,5-diiodobenzeneacetic Acid. Grades: > 95%. CAS No. 1155-40-4. Molecular formula: C14H10I2O4. Mole weight: 496.04. | |
| Levothyroxine impurity 2 | Levothyroxine impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 6106-7-6. Molecular Formula: C15H20I4NNaO9. Mole Weight: 888.93. Catalog: APB6106076. | |
| Levothyroxine impurity 3 | Levothyroxine impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 107849-54-7. Molecular Formula: C15H11I4NO5. Mole Weight: 792.87. Catalog: APB107849547. | |
| Levothyroxine impurity 4 | Levothyroxine impurity 4. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C21H15I4NO9. Mole Weight: 932.97. Catalog: APB11565. | |
| Levothyroxine impurity 6 | Levothyroxine impurity 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 671235-41-9. Molecular Formula: C16H11I4NO5. Mole Weight: 804.88. Catalog: APB671235419. | |
| Levothyroxine impurity 8 | Levothyroxine impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 26041-51-0. Molecular Formula: C17H13I4NO5. Mole Weight: 818.91. Catalog: APB26041510. | |
| Levothyroxine impurity 9 | Levothyroxine impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 30804-52-5. Molecular Formula: C19H17I4NO5. Mole Weight: 846.96. Catalog: APB30804525. | |
| Levothyroxine Impurity B | an impurity of Thyroxine. Synonyms: O-(4-Hydroxy-3-chloro-5-iodophenyl)-3,5-diiodo-L-tyrosine; (2S)-2-Amino-3-[4-(3-chloro-4-hydroxy-5-iodophenoxy)-3,5-diiodophenyl]propanoic Acid; 3-Chloro Thyroxine. Grades: > 95%. CAS No. 1628720-66-0. Molecular formula: C15H11ClI3NO4. Mole weight: 685.43. | |
| Levothyroxine N-methylamide | an impurity of Thyroxine. Synonyms: (S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-N-methylpropanamide. Grades: > 95%. Molecular formula: C16H14I4N2O3. Mole weight: 789.92. | |
| Levothyroxine N-Methylamine | an impurity of Thyroxine. Synonyms: (S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-N-methylpropanamide. Grades: > 95%. Molecular formula: C16H14I4N2O3. Mole weight: 789.92. | |
| Levothyroxine phenolic glucuronide | a major metabolite and glucuronide conjugate of Thyroxine. Synonyms: Thyroxine 4'-O-β-D-Glucuronide; 4-[4-[(2S)-2-Amino-2-carboxyethyl]-2,6-diiodophenoxy]-2,6-diiodophenyl β-D-Glucopyranosiduronic ccAcid. Grades: > 95%. CAS No. 21462-56-6. Molecular formula: C21H19I4NO10. Mole weight: 953.00. | |
| Levothyroxine Related Compound (2-Acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoic Acid) | Grades: > 95%. CAS No. 886203-79-8. Molecular formula: C18H17I2NO5. Mole weight: 581.15. | |
| Levothyroxine Related Compound (2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic Acid) | Grades: > 95%. CAS No. 153324-21-1. Molecular formula: C13H13I2NO5. Mole weight: 517.06. | |
| Levothyroxine Related Compound (2-Amino-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)propanoic acid) | Synonyms: L-Tyrosine,3,5-diiodo-o-(4-Methoxyphenyl). Grades: > 95%. CAS No. 94345-95-6. Molecular formula: C16H15I2NO4. Mole weight: 539.11. | |
| Levothyroxine Related Compound (2-Amino-3(3-bromo-4-(4-hydroxyphenoxy)-5-iodophenyl)propanoic Acid) | Grades: > 95%. Molecular formula: C15H13BrINO4. Mole weight: 478.08. | |
| Levothyroxine Related Compound (Methyl 2-acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoate) | Grades: > 95%. Molecular formula: C19H19I2NO5. Mole weight: 595.18. | |
| Levothyroxine Related Compound (N-Acetyl-3,5-Diiodo-L-Tyrosine) | N-Acetyl-3,5-diiodo-L-tyrosine has been used in the modeling system to study thyroid hormone biosynthesis. Synonyms: 3,5-Diiodo-N-acetyl-L-tyrosine (S)-2-Acetamido-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid. Grades: > 95%. CAS No. 1027-28-7. Molecular formula: C11H11I2NO4. Mole weight: 475.01. | |
| Levothyroxine Related Compound (N-Acetyl 3,5-diiodo-L-tyrosine Methyl Ester) | Grades: > 95%. CAS No. 56460-41-4. Molecular formula: C12H13I2NO4. Mole weight: 489.05. | |
| Levothyroxine sodium | Levothyroxine sodium is the hormone derived from thyroid gland. Synonyms: Thyroid powder; L-Thyroxine sodium; Euthyrox; Unithroid; Novothyrox. CAS No. 50809-32-0. Molecular formula: C15H10I4NNaO4. Mole weight: 798.856. | |
| Levothyroxine sulfate | a metabolite and sulfoconjugated derivative of Thyroxine. Synonyms: Thyroxine 4'-O-Sulfate; O-[3,5-Diiodo-4-(sulfooxy)phenyl]-3,5-diiodo-L-tyrosine. Grades: > 95%. CAS No. 77074-49-8. Molecular formula: C15H11I4NO7S. Mole weight: 856.93. | |
| 2- (2-Hydroxy-2- (4- (4-hydroxy-3, 5-diiodophenoxy) -3, 5-diiodophenyl) acetamido) -3- (4- (4-hydroxy-3, 5-diiodophenoxy) -3, 5-diiodophenyl) propanoic Acid, Amide-Bridged | 2- (2-Hydroxy-2- (4- (4-hydroxy-3, 5-diiodophenoxy) -3, 5-diiodophenyl) acetamido) -3- (4- (4-hydroxy-3, 5-diiodophenoxy) -3, 5-diiodophenyl) propanoic Acid, Amide-Bridged is a Levothyroxine impurity of Thyroxine (T425600), which is one of the thyroid hormones involved in the maintenance of metabolic homeostasis. Thyroxine is deiodinated in peripheral tissues to the active metabolite, liothyronine, which has been used to treat hyperlipidemia. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug, 2.5mg. Molecular Formula: C29H17I8NO8, Molecular Weight: 1522.68. US Biological Life Sciences. | Worldwide |
| 2-(3-(4-Hydroxy-3,5-diiodophenoxy)-2,4-diiodobenzamido)-3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)propanoic Acid, Amide-Bridged | 2-(3-(4-Hydroxy-3,5-diiodophenoxy)-2,4-diiodobenzamido)-3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)propanoic Acid, Amide-Bridged is a Levothyroxine impurity of Thyroxine (T425600), which is one of the thyroid hormones involved in the maintenance of metabolic homeostasis. Thyroxine is deiodinated in peripheral tissues to the active metabolite, liothyronine, which has been used to treat hyperlipidemia. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug, 2.5mg. Molecular Formula: C28H16I7NO7, Molecular Weight: 1366.76. US Biological Life Sciences. | Worldwide |
| (2S)-2-Amino-3-(4-(4-(2-hydroxy-2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetoxy)-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic Acid, Ester-Bridged | (2S)-2-Amino-3-(4-(4-(2-hydroxy-2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetoxy)-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic Acid, Ester-Bridged is a Levothyroxine impurity of Thyroxine (T425600), which is one of the thyroid hormones involved in the maintenance of metabolic homeostasis. Thyroxine is deiodinated in peripheral tissues to the active metabolite, liothyronine, which has been used to treat hyperlipidemia. Group: Biochemicals. Grades: Highly Purified. CAS No. 2088032-74-8. Pack Sizes: 500ug, 2.5mg. Molecular Formula: C29H17I8NO8, Molecular Weight: 1522.68. US Biological Life Sciences. | Worldwide |
| (2S,2'S)-3,3'-(((6,6'-Dihydroxy-5,5'-diiodo-[1,1'-biphenyl]-3,3'-diyl)bis(oxy))bis(3,5-diiodo-4,1-phenylene))bis(2-aminopropanoic acid) | (2S,2'S)-3,3'-(((6,6'-Dihydroxy-5,5'-diiodo-[1,1'-biphenyl]-3,3'-diyl)bis(oxy))bis(3,5-diiodo-4,1-phenylene))bis(2-aminopropanoic acid) is a Levothyroxine impurity of Thyroxine (T425600), which is one of the thyroid hormones involved in the maintenance of metabolic homeostasis. Thyroxine is deiodinated in peripheral tissues to the active metabolite, liothyronine, which has been used to treat hyperlipidemia. Group: Biochemicals. Grades: Highly Purified. CAS No. 2088032-54-4. Pack Sizes: 500ug, 2.5mg. Molecular Formula: C30H22I6N2O8, Molecular Weight: 1299.93. US Biological Life Sciences. | Worldwide |
| (2S,2'S)-3,3'-(((6,6'-Dihydroxy-5-iodo-[1,1'-biphenyl]-3,3'-diyl)bis(oxy))bis(3,5-diiodo-4,1-phenylene))bis(2-aminopropanoic Acid) | (2S,2'S)-3,3'-(((6,6'-Dihydroxy-5-iodo-[1,1'-biphenyl]-3,3'-diyl)bis(oxy))bis(3,5-diiodo-4,1-phenylene))bis(2-aminopropanoic Acid) is a Levothyroxine impurity of Thyroxine (T425600), which is one of the thyroid hormones involved in the maintenance of metabolic homeostasis. Thyroxine is deiodinated in peripheral tissues to the active metabolite, liothyronine, which has been used to treat hyperlipidemia. Group: Biochemicals. Grades: Highly Purified. CAS No. 2088032-60-2. Pack Sizes: 500ug, 2.5mg. Molecular Formula: C30H23I5N2O8, Molecular Weight: 1174.03. US Biological Life Sciences. | Worldwide |
| 3,3',5,5'-Tetraiodo-L-thyronine sodium salt | 3,3',5,5'-Tetraiodo-L-thyronine sodium salt. Group: Biochemicals. Alternative Names: L-Thyroxine·Na; Levothyroxine sodium. Grades: Highly Purified. CAS No. 25416-65-3. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences. | Worldwide |
| 3,3',5,5'-Tetraiodo-L-thyronine sodium salt | 3,3',5,5'-Tetraiodo-L-thyronine sodium saltm is the sodium salt of levothyroxine, a synthetic levoisomer of thyroxine (T4) that is similar to the endogenous hormone produced by the thyroid gland. In peripheral tissues, levothyroxine is deiodinated by 5'-deiodinase to form triiodothyronine (T3). T3 enters the cell and binds to nuclear thyroid hormone receptors, the activated hormone-receptor complex in turn triggers gene expression and produces proteins required in the regulation of cellular respiration, thermogenesis, cellular growth and differentiation, and the metabolism of proteins, carbohydrates and lipids. T3 also exhibits cardiostimulatory effects. Synonyms: L-Thyroxine NaLevothyroxine sodium; Levothyroxine sodium; L-Thyroxine sodium; Euthyrox; Unithroid; Levoxyl; eltroxin; Novothyrox; Levaxin; Letter; levothroid; Sodium levothyroxine; Sodium thyroxinate; L-Thyroxine sodium salt; Sodium L-thyroxine; synthroid; Laevoxin; Thyroxevan; Oroxine; Thyroxin sodium; sodium;(2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate. Grades: ≥ 98% (HPLC). CAS No. 25416-65-3. Molecular formula: C15H10I4NNaO4. Mole weight: 798.85. | |
| 3,3',5'-Triiodo-L-thyronine | Early detection and treatment of congenital or drug-induced hypothyroidism in the developing human fetus. Group: Biochemicals. Alternative Names: Reverse T3; Levothyroxine EP Impurity K; 3,3,5-Triiodo-L-Thyronine. Grades: Highly Purified. CAS No. 5817-39-0. Pack Sizes: 5mg, 10mg, 25mg. Molecular Formula: C15H12I3NO4, Molecular Weight: 650.97. US Biological Life Sciences. | Worldwide |
| 3,3,5-Triiodo-L-thyronine (Reverse T3) | Early detection and treatment of congenital or drug-induced hypothyroidism in the developing human fetus. Group: Biochemicals. Alternative Names: Reverse T3; Levothyroxine EP Impurity K; 3,3,5-Triiodo-L-Thyronine. Grades: Highly Purified. CAS No. 5817-39-0. Pack Sizes: 5mg. Molecular Formula: C15H12I3NO4, Molecular Weight: 650.97. US Biological Life Sciences. | Worldwide |
| 3,3'-L-Diiodothyronine | 3,3'-L-Diiodothyronine is an impurity of the thyroid medicine Levothyroxine. Synonyms: O-(4-Hydroxy-3-iodophenyl)-3-iodo-L-tyrosine; L-3,3'-Diiodothyronine. Grades: >95%. CAS No. 4604-41-5. Molecular formula: C15H13I2NO4. Mole weight: 525.08. | |
| 3,5-Diiodothyroacetic acid | Heterocyclic Organic Compound. Alternative Names: 4-(4-HYDROXYPHENOXY)-3,5-DIIODOPHENYLACETIC ACID;3,5-DIIODOTHYROACETIC ACID;THYROACETIC ACID;4-(4-Hydroxyphenoxy)-3,5-diiodobenzeneacetic acid;[4-(p-Hydroxyphenoxy)-3,5-diiodophenyl]acetic Acid;NSC 90463;Levothyroxine Sodium Impurity 14. CAS No. 1155-40-4. Molecular formula: C14H10I2O4. Mole weight: 496.04. Catalog: ACM1155404. |  |
| 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde | Thyroid hormone analogue. A Thyroxine analogue. Synonyms: 3,5,3',5'-Tetraiodo Thyroaldehyde; 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde; Levothyroxine EP Impurity I. Grades: > 95%. CAS No. 2016-06-0. Molecular formula: C13H6I4O3. Mole weight: 717.81. | |
| L-Thyroxine | L-Thyroxine is a synthetic form of thyroxine and a hormone replacement drug. Synonyms: Levothyroxine; NSC 36397; NSC36397; NSC-36397. Grades: >98%. CAS No. 51-48-9. Molecular formula: C15H11I4NO4. Mole weight: 776.87. | |
| L-Thyroxine | L-Thyroxine (Levothyroxine; T4) is a synthetic hormone for the research of hypothyroidism. DIO enzymes convert biologically active thyroid hormone (Triiodothyronine,T3) from L-Thyroxine (T4) [1]. Uses: Scientific research. Group: Natural products. Alternative Names: Levothyroxine; T4. CAS No. 51-48-9. Pack Sizes: 10 mM * 1 mL; 500 mg. Product ID: HY-18341. |  |
| L-Thyroxine-13C6 | L-Thyroxine- 13 C 6 is the 13 C labeled L-Thyroxine[1]. L-Thyroxine (Levothyroxine;T4) is a synthetic hormone for the research of hypothyroidism. DIO enzymes convert biologically active thyroid hormone (Triiodothyronine,T3) from L-Thyroxine (T4)[2]. Uses: Scientific research. Group: Isotope-labeled compounds. CAS No. 720710-30-5. Pack Sizes: 100 μg. Product ID: HY-18341S2. | |
| L-Thyroxine sodium | L-Thyroxine sodium (Levothyroxine sodium) is a synthetic hormone for the research of hypothyroidism. DIO enzymes convert biologically active thyroid hormone (Triiodothyronine,T3) from L-Thyroxine (T4) [1]. Uses: Scientific research. Group: Natural products. Alternative Names: Levothyroxine sodium; T4 sodium. CAS No. 55-03-8. Pack Sizes: 10 mM * 1 mL; 500 mg; 1 g. Product ID: HY-18341B. | |
| L-Thyroxine sodium salt pentahydrate | L-Thyroxine sodium salt pentahydrate is an iodine containing hormone produced from thyroglobulin in the thyroid follicular cells. It reduces total cholesterol level, low-density lipoprotein cholesterol as well as waist to hip ratio in subclinical hypothyroidism pateints. It was also used to study the light-induced hormone conversion of T4 to T3 in regulation of photoperiodic response of gonads in Japanese quail. Synonyms: Sodium levothyroxine pentahydrate. Grades: >98%. CAS No. 6106-7-6. Molecular formula: C15H20I4NNaO9. Mole weight: 888.93. | |
| O-Methyl Tetraiodothyroethylamine | An impurity of Thyroxine which is formed by the molecular addition of iodine to the amino acid tyrosine while the latter is bound to the protein thyroglobulin. Synonyms: O-methyl-tetraiodothyroethylamine; T4-AMINE O-METHYL; X6P4742Z19; Q27293608; 2-(4-(3,5-DIIODO-4-METHOXYPHENOXY)-3,5-DIIODOPHENYL)ETHANAMINE; LEVOTHYROXINE SODIUM IMPURITY, O-METHYL-TETRAIODOTHYROETHYLAMINE, OR T4-AMINE O-METHYL- [USP IMPURITY]. Grades: > 95%. Molecular formula: C15H13I4NO2. Mole weight: 746.89. | |
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