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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > Riboflavin for Sale > Get 99% pure Riboflavin CAS 83-88-5 for the best price
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Get 99% pure Riboflavin CAS 83-88-5 for the best price

17 Inquiries

Unit Price: Get Latest Price
CAS No.:

83-88-5

Grade:

Pharmaceutical Grade

Content:

99%

Port:

shenzhen

Packaging:

1kg/bag;25kg/Cardboard Drum

Price valid (until):

2026-04-04

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

Estradiol,Progesterone,GS441524,4-Butylresorcinol,DeoxyArbutin,Coenzyme Q10

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Superiority

    We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address

    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.




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    FAQ


    1.: Are you a factory or trading company
    We are the integration of factory and trade.


    2.: How is the quality I want to test.
    Before production and extraction, we will test all raw materials.Quality is our top priority.All products are strictly tested and confirmed by our QC and QA, approved by Third Party Lab in China.So you will be assured with Good Quality if you choose us. We welcome you test the product and hope to get your feedback.


    3.: Can I get a Free sample
    Yes,We can provide free samples.For most products we can provide you a free sample, You only need to pay for Shipping. Plesae be free to consult our salesman.
    For a larger quantity, we always support you with better price, and we will have some discount in some especial days.


    4. : What's your main payment method
    T/T (Bank transfer), Wechat,Alipay,Credit card payment.


    5. : Have you received my payment How long will it take
    Generally, we can receive your payment the next day, and we will inform you as soon as we receive your payment.
    After confirmation payment, we will send out package


    6.:When will you sent out the goods after successful payment
    Normally the order will be delivery within 1-3 days after the order confirmed, except the customized products.


    7.:What modes of transportation do you have to choose
    We cooperate with HKEMS, DHL, TNT, UPS, FEDEX, EMS, China Air Post ,sea transportation etc.
    And with the SAFE SHIPPING in each country, you can receive the goods smoothly.It is fast and safe method.


    8.:How long does it take to the goods arrived
    It is Depending on your location:
    For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, HKEMS,Netherlands post.
    For large order, please allow 5-8 days by Air, 20-35 days by Sea
    At the same time, we have warehouses in Germany and California, and some orders can be sent directly from Germany or California.


    9.:How is the goods packed
    We usually send goods with disguise package outside and a double-layer sterile transparent bag inside.We have tried thousand of package methods, it looks serious and discreet.


    10.: How can I get a discount
    Our products have already given you a discount, and the price is favorable. Orders above $1,000 can enjoy 95% discount, transportation discount or additional sample products. Therefore, for larger quantities, we always support better prices.


    11.: How to proceed order
    Please Let me konw the product you are looking for,quantity and the destination country wihch help me to give you a right price;
    After you confirm all details of order, pay money in advance and give us Shipping address.We arrange the shipment at first time after receive payment and offer after-sales service after you receive parcel.


    12.:When will I receive the shipping number Where I can check status of my order
    After the goods are sent out, our staff will send you the shipping number via email, online or WhatsApp ASAP.You can also check the status online on 17track.


    13.:Is a signature required for the shipping?
    Our shipping method requires no signature from your side upon delivery.

    Basic Info
    Product Name:

    Riboflavin

    Other Name:

    Riboflavin;Riboflavine;Benzo[g]pteridine,riboflavin deriv.;Beflavine;Flaxain;Hyre;Lactoflavin;Lactoflavine;Ribipca;Riboderm;Vitamin B2;Vitamin G;Flavaxin;6,7-Dimethyl-9-D-ribitylisoalloxazine;Benzo[g]pteridine-2,4(3H,10H)-dione,7,8-dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-;Ribosyn;Vitaflavine;Ribotone;Ribovel;Beflavin;Ribocrisina;Vitasan B2;Lactobene;Flavin BB;Russupteridine yellow III;1-Deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10(2H)-yl)-D-ribitol;6,7-Dimethyl-9-ribitylisoalloxazine;E 101;C.I. Food Yellow 15;Food Yellow 15;(-)-Riboflavin;C.I. 50900;E 101 (dye);San Yellow B;NSC 33298;NCI 0033298;D-Ribitol,1-deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10(2H)-yl)-;7,8-Dimethyl-10-ribitylisoalloxazine;Ricrolin;Riboflavin E101;Riboflavin FP;Riboflavin F;7,8-Dimethyl-10-(1,2,3,4,5-pentahydroxypentyl)benzo[g]pteridine-2,4-dione;130609-39-1;535950-32-4;890044-91-4;1093390-18-1

    CAS No.:

    83-88-5

    Molecular Formula:

    C17H20N4O6

    InChIKeys:

    InChIKey=AUNGANRZJHBGPY-SCRDCRAPSA-N

    Molecular Weight:

    376.36

    Exact Mass:

    376.36

    EC Number:

    201-507-1

    ICSC Number:

    1454

    NSC Number:

    758973

    DSSTox ID:

    DTXSID8021777

    Color/Form:

    Fine orange-yellow needles from 2N acetic acid, alcohol, water, or pyridine ... three different crystal forms|Orange to yellow crystals or needles

    HScode:

    29362300

    Characteristics
    PSA:

    161.56000

    XLogP3:

    -1.67520

    Appearance:

    Yellow to orange Powder

    Density:

    1.2112 (rough estimate)

    Melting Point:

    278-279 °C (decomp)

    Flash Point:

    9℃

    Refractive Index:

    -135 ° (C=0.5, JP Method)

    Water Solubility:

    0.07 g/L (20 ºC)

    Storage Conditions:

    2-8°C

    Toxicity:

    LD50 in rats (g/kg): >10 orally, 5.0 s.c., 0.56 i.p. (Unna, Greslin)

    Specific rotation:

    -135 º (c=5, 0.05 M NaOH)

    Odor:

    Slight odor

    Taste:

    Bitter

    Dissociation Constants:

    pKa = 10.2; pKb = 1.7

    Experimental Properties:

    Visible or ultraviolet radiation of alkaline solutions causes the formation of lumiflavine ... whereas irradiation of acid or neutral solutions gives rise to the production of lumichrome ... togther with varying amounts of lumiflavine|Sensitive to alkalies; stable to mineral acids in the dark|In solution, riboflavin has an intense greenish-yellow flourescence|In alkaline solution it is readily soluble but quite unstable to heat and to light forming lumiflavin, a fluorescent degradation product. Riboflavin is nore stable to heat in acid solution, particularly from pH 1.0 to 6.5 but upon irradiation forms lumichrome. Riboflavin is readily adsorbed from acid or neutral solution on such agents as frankonite, fuller's earth, and certain zeolites, and eluted with acetone or pyridine solutions.|For more Other Experimental Properties (Complete) data for Riboflavin (6 total), please visit the HSDB record page.

    Physical Dangers:

    Dust explosion possible if in powder or granular form, mixed with air.

    Hazard Identification

    Classification of the substance or mixture

    Not classified.

    GHS label elements, including precautionary statements

    Pictogram(s) No symbol.
    Signal word

    No signal word

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    none

    Response

    none

    Storage

    none

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    NO open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. 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

    Well closed.Solutions of riboflavin should be protected from air and light. Riboflavin tablets should be stored in tight, light-resistant containers at a temperature less than 40 degrees C, preferably between 15-30 degrees C.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Estradiol,Progesterone,GS441524,4-Butylresorcinol,DeoxyArbutin,Coenzyme Q10

    Location:

    XINYUAN DADUHUI PHASE 1, NO.258 TAOYUAN NORTH ROAD, LIANHU DISTRICT, XI 'AN , SHAANXI CHINA

    Payment Terms:

    TT against copy of documents,100% TT in advance

    Average lead Time:

    30

    Total Annual Revenue:

    $2.5 million-$5 million

    Total Employees:

    11-50

    Year of Establishment:

    2023




      Company Profile  


  • Inquiry History
    17 Inquiries
    Country Product Purchase Quantity Date Posted
    Egypt

    Vitamin B2 Riboflavin 98%

    500.00 KG Jan 28, 2026
    India

    Vitamin B2

    1.00 KG Jan 9, 2026
    United States

    Vitamin B2

    750 KG Jun 17, 2025
    Cameroon

    RIBOFLAVIN

    25 KG Jan 3, 2025
    India

    Vitamin B2

    6 40' Fcl Dec 31, 2024
    India

    Vitamin B2

    5 TON Nov 25, 2024
    Palestine

    Vitamin B2

    250 KG May 22, 2024
    United Arab Emirates

    Vitamin B2

    1 MT Apr 1, 2024
    Pakistan

    VITAMIN B2

    100 KG Feb 18, 2024
    United States

    Vitamin B2 80% FG

    1000 KG Oct 2, 2025
    India

    Vitamin B2

    5 TON Jul 2, 2025
    India

    Vitamin B2

    1 MT Mar 24, 2025
    Egypt

    Riboflavin

    50.00 KG Mar 20, 2025
    Moldova

    VITAMIN B2 BASE

    1 KG Mar 13, 2025
    India

    Bacillus subtilis KCCM 10445

    Jan 25, 2025
    United States

    Vitamin B2 (Riboflavin) * CAS Number: 83-88-5

    2000 KG Oct 2, 2025
    Peru

    Riboflavin vitamin B2 with ISO Halal kosher

    25 KG Nov 7, 2023
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