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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > Ascorbyl palmitate for Sale > Ascorbyl Palmitate 137-66-6 high purity
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Ascorbyl Palmitate 137-66-6 high purity

ISO 8 Inquiries

Unit Price: Get Latest Price
CAS No.:

137-66-6

Grade:

Pharmaceutical Grade

Content:

99%

Port:

Shanghai

Brand:

Zentrachem

Packaging:

25kgs in drum

Price valid (until):

2025-12-01

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

pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 1

    Melting point  115-118 °C(lit.)
    alpha  +21~+26°(20℃/D, c=2, C2H5OH)
    Boiling point  512.7±50.0 °C(Predicted)
    density  1.150±0.06 g/cm3(Predicted)
    refractive index  22.5 ° (C=1, EtOH)
    storage temp.  2-8°C


    pka 3.96±0.10(Predicted)
    form  Solid
    color  White to Pale Gray


     Capability 


     we are capable of:


    1) quick quotation, normally within 1-2 days

    2) full marketing research

    3) price control and quality(regulatory) control

    4) all stage support from sample, pilot, registration and commercial

    5) sourcing for prodcut which is very new or hard to find

    6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing


      Q&A  


    What are the MOQ and lead time?


    MOQ varies (high-value chemicals may negotiate to g-kg-level).

    Lead time typically 2-4 weeks, with expedited options upon request.


    How do we ensure product quality and compliance?


    We enforce a 3-step protocol:

    ① Source only from ISO-certified suppliers;

    ② Provide batch-specific COA/COO;

    ③ Dedicated team monitors global regulations (e.g., China NECIC, EU SCIP).


    Do we offer customized synthesis?


    Yes!

    We provide end-to-end solutions from R&D to scale-up production.

    Technical specs (e.g., purity, CAS#) and intended use documentation are required.


    How do we handle logistics and customs?


    We support CIF/FOB/DDP/DAP terms, partner with global logistics providers,

    and have in-house experts for HS code classification, hazardous material documentation, etc.


    How do we manage raw material price fluctuations?


    We mitigate risks via long-term contracts, multi-region sourcing,

    and futures hedging, supplemented with quarterly market analysis reports.


      About Us 


    Zentra Chemical, headquartered in Hangzhou, China, is aiming to be a global player in chemical trading and integrated solutions.

    Specializing in Pharmaceutical intermediates, Agrochemical intermediates, Fine chemicals, Herbal extracts and Cosmetic ingredients, we deliver end-to-end services spanning sourcing, supply chain optimization, customized synthesis, cost management, and quality assurance, with all stage support from sample, pilot, registration and commercial

    Our mission is to empower clients worldwide with agile, sustainable, and value-driven partnerships in the ever-evolving chemical industry.

    Competitive Advantages

    • Strategic Location: Based in Hangzhou at the heart of Yangtze River Delta economic zone with global reach
    • Expert Team: International team of chemical engineers, trading specialists and supply chain professionals
    • Quality Commitment: Rigorous supplier selection and ISO-certified quality management systems
    • Sustainable Development: Partnering with eco-friendly manufacturers to promote green chemistry

    Vision & Mission
    Driven by the philosophy of “Chemistry Connects the Future,” Zentra Chemical strives to be a pioneering force in the global chemical sector. By bridging innovation, efficiency, and sustainability, we aim to build long-term partnerships that redefine industry standards and foster a greener, smarter chemical ecosystem.

    Global Reach, Local Expertise – Zentra Chemical is your trusted partner for chemical excellence.


      Why us


    • Supplier, distributor & marketer of chemicals with >20 yrs of experience, with Integrated sourcing solutions
    • Wide product range, We can source any fine chemical you require, unlimited range, including intermediates and products for agrochemicals, cosmetics, APIs, nanotechnology, additives, flavors, fragrances, photography, plant extracts, electronics industries and more
    • We can solve your sourcing problems through our own or third party manufacturing in the most transparent way
    • We supply all stage support from sample, pilot, registration and commercial
    • Through selected pre-qualified partners under exclusive arrangements, we offer Contract manufacturing and custom synthesis, Kilo to Multi-ton scale production
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 1
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 2
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 3
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 4
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 5
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 6
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 7

    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 9

    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 10


      Excipients 


    L-Malic Acid, CAS 97-67-6
    DL-Malic Acid, CAS 617-48-1
    L(+)-Tartaric Acid, CAS 87-69-4
    DL-Tartaric Acid, CAS 133-37-9
    Potassium Bitartrate, CAS 868-14-4
    Aspartame, CAS 22839-47-0
    ISO, Halal, kosher certificates are all available.

    Certificates

    Basic Info
    Product Name:

    Ascorbyl palmitate

    Other Name:

    L-Ascorbic acid,6-hexadecanoate;L-Ascorbic acid,6-palmitate;Palmitic acid,6-ester with ascorbic acid;Palmitoyl L-ascorbic acid;Ascorbyl palmitate;Ascorbylpalmitic acid;L-Ascorbyl palmitate;Ascorbyl monopalmitate;6-Monopalmitoyl-L-ascorbate;Ascorbic palmitate;6-O-Palmitoylascorbic acid;6-Palmitoylascorbic acid;Ascorbic acid palmitate;Cetyl ascorbate;Ondascora;Quicifal;L-Ascorbyl 6-palmitate;6-Hexadecanoyl-L-ascorbic acid;L-Ascorbyl monopalmitate;Ascorbyl 6-palmitate;Ascorboyl palmitate;Ascorbic acid 6-palmitate;6-Palmitate-L-ascorbic acid;6-O-Palmitoyl-L-ascorbic acid;6-O-Palmitoyl-L-ascorbic acid;NSC 402451;VCP 10;E 304;Vcpal;Grindox 562;AP;57233-83-7;120398-58-5;162872-43-7;924964-24-9;948551-42-6;1184913-60-7;2095286-71-6

    CAS No.:

    137-66-6

    Molecular Formula:

    C22H38O7

    InChIKeys:

    InChIKey=QAQJMLQRFWZOBN-LAUBAEHRSA-N

    Molecular Weight:

    414.53300

    Exact Mass:

    414.53

    EC Number:

    205-305-4

    UNII:

    QN83US2B0N

    DSSTox ID:

    DTXSID3041611

    Color/Form:

    White or yellowish white powder

    HScode:

    2932190090

    Characteristics
    PSA:

    113.29000

    XLogP3:

    6.3

    Appearance:

    White to yellowish powder

    Density:

    1.15 g/cm3

    Melting Point:

    116 °C

    Boiling Point:

    512.7±50.0 °C(Predicted)

    Flash Point:

    178.1ºC

    Refractive Index:

    22.5 ° (C=1, EtOH)

    Water Solubility:

    Slightly soluble in ethyl alcohol.

    Vapor Pressure:

    3.32E-14mmHg at 25°C

    Toxicity:

    LD50 orally in Rabbit: > 5000 mg/kg

    Odor:

    Citrus-like

    Henrys Law Constant:

    Henry's Law constant = 1.40X10-7 atm-cu m/mol at 25 °C (est)

    Collision Cross Section:

    204.8 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]

    Experimental Properties:

    Weight/volume conversion: 16.92 mg/cu m approximately equal to 1 ppm|Base-catalyzed second-order hydrolysis reaction rate constant = 2.85X10-2 L/mol-sec at 25 °C (est)

    Hazard Identification

    Classification of the substance or mixture

    Eye irritation, Category 2

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H319 Causes serious eye irritation

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    Response

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    Storage

    none

    Disposal

    none

    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 the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

    Location:

    Rm 301, Bld 2, Taohuahu Neighborhood Center, Hangzhou, China

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,100% TT in advance

    Average lead Time:

    14

    Total Employees:

    5-10

    Year of Establishment:

    2025

    Zentra Chemical, headquartered in Hangzhou, China, is aiming to be a global leader in chemical trading and integrated solutions.

    Specializing in Pharmaceutical intermediates, Agrochemical intermediates, Fine chemicals, and Cosmetic ingredients, we deliver end-to-end services spanning sourcing, supply chain optimization, customized synthesis, cost management, and quality assurance.

    Our mission is to empower clients worldwide with agile, sustainable, and value-driven partnerships in the ever-evolving chemical industry.


      Why us  


    Supplier, distributor & marketer of chemicals with >20 yrs of experience, with  Integrated sourcing solutions.

    Wide product range , We can source any fine chemical you require, unlimited range, including intermediates and products for agrochemicals, cosmetics, APIs, nanotechnology, additives, flavors, fragrances, photography, plant extracts, electronics industries and more.

    We can solve your sourcing problems through our own or third party manufacturing in the  most transparent way.

    We supply  all stage support from sample, pilot, registration and commercial.

    Through selected  pre-qualified partners  under exclusive arrangements, we offer  Contract manufacturing and custom synthesis , Kilo to Multi-ton scale production.


      Capability  


    with hundreds of local manufacturers(pre-qualified), we are capable of:

    1) quick quotation, normally within 1-2 days;
    2) full marketing research;
    3) price control and quality(regulatory) control;
    4) all stage support from sample, pilot, registration and commercial;
    5) sourcing for prodcut which is very new or hard to find;
    6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing.

  • Inquiry History
    8 Inquiries
    Country Product Purchase Quantity Date Posted
    United Kingdom

    High quality Ascorbyl Palmitate 99% White powder CAS NO. 137-66-6

    5 KG Aug 7, 2023
    South Africa

    Ascorbyl Palmitate

    1 KG Jul 2, 2025
    Sri Lanka

    Ascorbyl Palmitate

    1000.00 KG Feb 14, 2025
    Argentina

    Ascorbyl palmitate

    1 MT Dec 16, 2023
    Sri Lanka

    Ascorbyl Palmitate

    100.00 KG Feb 12, 2025
    Argentina

    Ascorbyl Palmitate

    10 KG Aug 24, 2024
    Egypt

    Ascorbyl Palmitate

    60 KG Aug 22, 2024
    Pakistan

    Ascorbyl palmitate

    10 KG Aug 5, 2024
    Post an enquiry for this product
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