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Home > Food Additives > Nutrition Supplements > (-)-Thyroxine for Sale > Good Quality 99% raw LThyroxine/ thyroxin/ Levothyroxine/ T4 Powder with Wholesale Price 51-48-9
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Good Quality 99% raw LThyroxine/ thyroxin/ Levothyroxine/ T4 Powder with Wholesale Price 51-48-9 buy - image1
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Good Quality 99% raw LThyroxine/ thyroxin/ Levothyroxine/ T4 Powder with Wholesale Price 51-48-9

KOSHER ISO FDA 4 Inquiries

Unit Price: Get Latest Price
CAS No.:

51-48-9

Grade:

Food grade

Content:

99%

Port:

shen zhen

Brand:

Flying

Packaging:

10g/1kg/ 10kg/ 25kg

Price valid (until):

2023-11-15

Company Type:
Trader
Location:
China
Qualification:
Main Products:

vitamin

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Superiority

    1.High quality and competitive price.
    2.Free sample for your evaluation.
    3.Promptly delivery by well-reputed shipping lines.
    4.Trial order is available for testing after samples.
    5.We will inform you all the information at every stage in advance.
    6.Packaging can gear to buyers’ special request. 

    Our service

    1. Reply your inquiry in 24 working hours.
    2. Customized design is available. OEM are welcomed.
    3. Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers and
    staff.
    4. Professional factory: We are manufacturer, specializing in producing all kinds of herb extract for more than 10 years, competitive with good quantity.
    5. As an honest seller, we always use superior raw material, advanced machines, skilled technicians to ensure our products to be finished in high quality and stable feature.


    Hainan Flying International Trade Co., Ltd., was established in 2020, It is a professional supplier of Human APIs, Veterinary, Food Additives, Vitamins, Chemicals, Plant Extract and natural active ingredients. It has absolute advantage because of strong research strength, modern management system and high-quality marketing team.

    For customer’s needs, OEM service is also acceptable. If you have a good idea in new product production but lack of laboratory device and human resource, we are glad to solve this problem for you. Sincerely hope to strengthen exchanges and cooperation with friends from both home and abroad.

    .






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    RAQ





    Q1: How to confirm the Product Quality before placing orders?
    A: By sending you available samples. Or if you have special requirements for the goods, we can prepare samples according to your requirement for confirmation.

    Q2: Can you supply free samples?
    A: Yes, we can provide a free sample, but the shipping cost will be paid by the customers. You can either pay the shipping cost or arrange a courier to collect the samples.

    Q3: How do you treat quality complaints?
    A: All our products are strictly tested by our QC and confirmed by QA; unqualified material will not be released to customers. In case any quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately.

    Q4: What's your MOQ ?
    A: For the high value product, our MOQ starts from 1g and generally starts from 10gs. For other low, price product, our MOQ starts from 100g and 1kg.
    Q: Is there a discount ?
    A: Yes, for larger quantity, we always support with better price.

    Q5: How to start orders or make payments ?
    A: You can send our your Purchase order ( if your company has ), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly.


    Certificates

    Basic Info
    Product Name:

    (-)-Thyroxine

    Other Name:

    L-Tyrosine,O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-;Thyroxine,L-;O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine;Thyroxine;Tetraiodothyronine;L-Thyroxine;3,3′,5,5′-Tetraiodo-L-thyronine;Levothyroxine;Thyroxin;(-)-Thyroxine;THX;T4;T4 (hormone);Thyreoideum;L-Thyroxin;L-T4;Thyroxinal;Thyrax;NSC 36397;Henning;Levotiron;SK&F 1-6528;74-16-8;587-29-1;587-30-4;7200-84-2;7488-70-2;1373931-44-2

    CAS No.:

    51-48-9

    Molecular Formula:

    C15H11I4NO4

    InChIKeys:

    InChIKey=XUIIKFGFIJCVMT-LBPRGKRZSA-N

    Molecular Weight:

    776.870

    Exact Mass:

    776.87

    EC Number:

    200-101-1

    UNII:

    Q51BO43MG4

    NSC Number:

    757434

    DSSTox ID:

    DTXSID8023214

    NCI Thesaurus Code:

    C62080

    Color/Form:

    Crystals|Needles

    ATC Code:

    H03AA01|H - Systemic hormonal preparations, excl. sex hormones and insulins

    HScode:

    2922509090

    Categories:

    Nutrition Supplements

    Characteristics
    PSA:

    92.78000

    XLogP3:

    2.4

    Appearance:

    Solid

    Density:

    2.6±0.1 g/cm3

    Melting Point:

    235-236 °C (decomp)

    Boiling Point:

    576.3±50.0 °C at 760 mmHg

    Flash Point:

    302.3±30.1 °C

    Refractive Index:

    1.795

    Water Solubility:

    insoluble

    Storage Conditions:

    Keep container tightly closed in a dry and well-ventilated place.

    Vapor Pressure:

    2.05X10-16 mm Hg at 25 deg C (est)

    Toxicity:

    TDLo oral in child: 328ug/kg

    Specific rotation:

    Specific optical rotation: -4.4 deg at 20 °C/D (3% in 0.13N sodium hydroxide in 70% ethanol)

    Henrys Law Constant:

    Henry's Law constant = 7.91X10-19 atm-cu m/mol at 25 °C (est)

    Dissociation Constants:

    pKa1 = 0.27 (carboxylic); pKa2 = 7.43 (phenol); pKa3 = 9.43 (amine) (est)

    Collision Cross Section:

    216.2 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|194.19 Ų [M+Na-2H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|208.3 Ų [M-2H+Na]-

    Experimental Properties:

    log Kow = 0.16-2.11|Occurs as the hydrate. Triclinic crystals or cream-colored powder; odorless, teasteless, somewhat hygroscopic. Density: 2.381 at 20 °C/4 °C. Specific optical rotation: -4.4 deg at 20 °C/D (C = 3 in 70% ethanol). Solubility in water (25 °C): about 15 mg/100 mL. Soluble in mineral acids and in solutions of alkalies it dissolves and hot solutions of alkyl carbonates. Slightly soluble in alcohol. Insoluble in acetone, chloroform, ether. pH of saturated water solution: 8.35 to 9.35 /Thyroxine sodium salt/|Needle-like crystals. Decomposes 231-233 °C. Insoluble in water, alcohol and in the other usual organic solvents; in the presence of mineral acids or alkalies it dissolves in alcohol; soluble in solutions of the alkali hydroxides and in hot solutions of the alkali carbonates /DL-Thyroxine/|Crystals, decoposes at 237 °C. Specific optical rotaion: +2.97 deg at 21 °C/546 mm Hg (0.74 g in 6 g og 0.5N sodium hydroxide and 14 g alcohol) /D-Thyroxine/

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H302 Harmful if swallowed

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    Storage

    none

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store at 25 deg C (77 deg F); excursions permitted to 15 deg -30 deg C (59 deg - 86 deg F).

  • Seller Information
    Business Type:

    Trader

    Main Products:

    vitamin

    Location:

    Room 2-502, Building 6, Luneng Tehran Garden Building, No.8 Changbin Road, Xiuying district, Haikou City, Hainan Province

    Payment Terms:

    TT against copy of documents,TT against B/L draft before shipment

    Average lead Time:

    25

    Total Annual Revenue:

    $2.5 million-$5 million

    Total Employees:

    Less than 5

    Year of Establishment:

    2023

  • Inquiry History
    4 Inquiries
    Country Product Purchase Quantity Date Posted
    Pakistan

    Sodium Levothroxine

    1 KG Mar 17, 2025
    India

    Levothyroxine

    25 KG May 8, 2026
    United States

    Levothyroxine

    10 MG Dec 17, 2025
    United States

    L-Thyroxine

    1 KG Mar 17, 2026
    Post an enquiry for this product
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