L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride

Product Name: L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride
CAS No.: 720710-30-5
Chemical Name: L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride
Synonyms: L-Thyroxine-13C6 solution;L-Tyr-ring-13C6]-Thyroxine Hydrochloride;Thyroxine-[L-Tyr-ring-13C6] hydrochloride;L-Thyroxine (tyrosine-ring-13C?, 99%) CP 90%;L-Thyroxine-¹³C₆ solution;Thyroxine-[L-Tyr-ring-13C6] Hydrochloride (Solution);L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride (Solution);L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride (CertiMass solution);L-Tyrosine-1,2,3,4,5,6-13C6, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-
CBNumber: CB42740487
Molecular Formula: C15H11I4NO4
Formula Weight: 782.83
MOL File: 720710-30-5.mol

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L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride Property

Density: 2.636±0.06 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
Flash point:: 9℃
storage temp.: -20°C
form: liquid
color: White to off-white

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Safety

Hazard Codes: F,T
Risk Statements: 11-23/24/25-39/23/24/25
Safety Statements: 7-16-36/37-45
RIDADR: UN1230 - class 3 - PG 2 - Methanol, solution
WGK Germany: 1

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H370Causes damage to organs

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P311Call a POISON CENTER or doctor/physician.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: T-076
Product name: L-Thyroxine-13C6 solution
Purity: 100?μg/mL in methanol with 0.1N NH3, ampule of 1?mL, certified reference material, Cerilliant?
Packaging: 1mL
Price: $295
Updated: 2025/07/31

IsoSciences

Product number: 5031
Product name: Thyroxine-[L-Tyr-ring-13C6]hydrochloride
Purity: ≥98%
Packaging: 1mg
Price: $599
Updated: 2021/12/16

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L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride Chemical Properties,Usage,Production

Uses

The Certified Reference Material (CRM) in solution can also be used as an internal standard as follows:

Combination of hollow fiber-liquid-phase microextraction (HF-LPME) based sample preparation and liquid chromatography-tandem mass spectrometric (LC-MS/MS) determination of total thyroxine in serum samples
Development of an LC-MS/MS method for the multi-residue analysis of melatonin, cortisol, triiodothyronine, thyroxine, and testosterone in r at serum samples following their dual liquid-liquid extraction
Simultaneous determination of thyroxine by an isotope dilution-matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) method from human serum samples
Estimation of thyroxine (T4) and triiodothyronine (T3) in r at cardiac tissue samples by a high-performance liquid chromatographic-tandem mass spectrometric (HPLC-MS/MS) method following their derivatization
Establishing and validating an LC-MS/MS-based method for the quantification of endogenous thyroid hormones, T4 and two of its T3 isomers, in tissue samples obtained from lamprey, following the enzymatic digestion and protein precipitation of the samples

General Description

Thyroxine or T4 is a thyroid hormone responsible for regulation of protein, fat, and carbohydrate metabolism as well as the proper development and differentiation of all cells of the human body. This internal standard and Certified Spiking Solution^? is suitable for quantitation of free and total T4 serum levels by LC-MS/MS for determination of hyper- or hypothyroidism and monitoring treatment with synthetic thyroid hormones.

L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

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L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride Suppliers

China 12 India 1 United States 2 Global 15

Sigma-Aldrich

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TargetMol Chemicals Inc.

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Merck KGaA

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720710-30-5, L-Thyroxine-[L-Tyr-ring-13C6] hydrochlorideRelated Search:

L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride (CertiMass solution)

L-Thyroxine-13C6 solution

Thyroxine-[L-Tyr-ring-13C6] hydrochloride

Thyroxine-[L-Tyr-ring-13C6] Hydrochloride (Solution)

L-Thyroxine-[L-Tyr-ring-13C6] hydrochloride (Solution)

L-Tyr-ring-13C6]-Thyroxine Hydrochloride

L-Tyrosine-1,2,3,4,5,6-13C6, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-

L-Thyroxine-<sup>13</sup>C<sub>6</sub> solution

L-Thyroxine (tyrosine-ring-13C?, 99%) CP 90%

720710-30-5