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157-03-9

29 Inquiries

Unit Price: Get Latest Price
CAS No.:

157-03-9

Packaging:

kg

Price valid (until):

2023-02-05

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

Custom Synthetic Chemicals,Biological Stains,Pharmaceutical Intermediates,Cosmetic Grade Chemicals,Enzyme,Nucleosides

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    157-03-9

    Basic Info
    Product Name:

    6-Diazo-5-oxo-L-norleucine

    Other Name:

    L-Norleucine,6-diazo-5-oxo-;Norleucine,6-diazo-5-oxo-,L-;6-Diazo-5-oxo-L-norleucine;DON;NSC 7365;DON (pharmaceutical);L-DON;L-6-Diazo-5-oxonorleucine;(2S)-2-Amino-6-diazo-5-oxohexanoic acid;543-31-7;15440-70-7;945678-45-5;2180165-45-9

    CAS No.:

    157-03-9

    Molecular Formula:

    C6H9N3O3

    InChIKeys:

    InChIKey=YCWQAMGASJSUIP-YFKPBYRVSA-N

    Molecular Weight:

    171.15

    Exact Mass:

    171.06400

    UNII:

    03J0H273KZ

    HScode:

    2927000090

    Categories:

    Heterocyclic Compound

    Characteristics
    PSA:

    117.78000

    Appearance:

    light yellow crystalline

    Density:

    1.3994 (rough estimate)

    Melting Point:

    145-155 °C (decomp)

    Boiling Point:

    301.12°C (rough estimate)

    Refractive Index:

    1.5800 (estimate)

    Storage Conditions:

    −20°C

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 3, Oral

    Acute toxicity - Category 3, Dermal

    Acute toxicity - Category 3, Inhalation

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H301 Toxic if swallowed

    H311 Toxic in contact with skin

    H331 Toxic if inhaled

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

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

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

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P271 Use only outdoors or in a well-ventilated area.

    Response

    P301+P316 IF SWALLOWED: Get emergency medical help immediately.

    P321 Specific treatment (see ... on this label).

    P330 Rinse mouth.

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P316 Get emergency medical help immediately.

    P361+P364 Take off immediately all contaminated clothing and wash it before reuse.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    Storage

    P405 Store locked up.

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.

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

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    Custom Synthetic Chemicals,Biological Stains,Pharmaceutical Intermediates,Cosmetic Grade Chemicals,Enzyme,Nucleosides

    Location:

    Room 308-80, building 1, 1963 Huaguan Road, Tianhe District, Guangzhou

    Payment Terms:

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

    Average lead Time:

    30

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    51-100

    Year of Establishment:

    2021

    Guangzhou Yaoguang Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and custom synthesis of fine chemicals, whose management has many years of experience in fine chemicals.

    The company has established a core technical team with professors, engineers, doctors, masters and undergraduates as the backbone power, and has equipped with advanced synthesis equipment, high-tech analytical instruments and mass production equipment, which can allow us to meet the requirements of customers. The company adheres to the operation philosophy of "Credit and Quality Come First". Taking advantage of combining production, study and research, it has established strategic partnership with many universities and key laboratories in China.

    We are an ISO 9001-2015 certified enterprise, our products are widely used in life science, pharmaceutical science, biological science, materials, daily chemical, cosmetics, organic synthesis, catalyst, detection-analysis and other fields. The main products include biochemicals, organic intermediates, specialty chemicals, chemical reagents, custom-synthetic chemicals…etc., which can meet customers’ needs varying from gram level, kilogram level to ton level.

    Through years of accumulation, BTO has 2 subsidiaries, 5 offices. Our products are sold to China, Europe, America, Japan, South Korea and other countries and regions, have been recognized and trusted by global customers.

    Instrument and Equipment: multiple sets of lab/pilot scale test reaction equipment, freezing equipment, rectification equipment, dephlegmator, HPLC, GC, GC-MS, LC-MS, X-RAY, IR…etc.

  • Inquiry History
    29 Inquiries
    Country Product Purchase Quantity Date Posted
    Romania

    6-Diazo-5-oxo-L-norleucine

    2000 MG Nov 12, 2024
    Croatia

    6-DIAZO-5-OXO-L-NORLEUCINE

    25 G Sep 4, 2024
    Nigeria

    6-Diazo-5-oxo-l-norleucine

    10 G Jul 21, 2024
    Australia

    6-Diazo-5-Oxo- Norleucine

    1000 MT Jul 10, 2024
    Austria

    6-Diazo-5-oxo-L-nor-Leucine

    1 G May 14, 2024
    Italy

    6-Diazo-5-Oxo-L-Norleucine (DON)

    10 G Mar 4, 2024
    Australia

    6-diazo-5-oxo-L-norleucine

    500  Jan 25, 2024
    Czech

    6-DIAZO-5-OXO-L-NORLEUCINE

    25 KG Jan 4, 2024
    United Kingdom

    6-DIAZO-5-OXO-L-NORLEUCINE

    5 G May 5, 2026
    United Kingdom

    6-Diazo-5-oxo-L-norleucine

    1650 MG Oct 15, 2024
    Colombia

    6 Diazo 5 Oxo L Norleucine

    300 MG Jul 18, 2024
    Cayman Islands

    6-DIAZO-5-OXO-L-NORLEUCINE 97%

    3 G Jul 13, 2024
    Czech

    6-DIAZO-5-OXO-L-NORLEUCINE

    50 G May 9, 2024
    Australia

    6-Diazo-5-Oxo-L-Norleucine

    10 KG Jan 19, 2024
    United States

    6-DIAZO-5-OXO-L-NORLEUCINE

    10 G Jan 5, 2024
    United States

    Pharmacy Grade C6H9N3O3

    250 G Dec 17, 2023
    France

    6-DIAZO-5-OXO-L-NORLEUCINE 99% Powder Pharmacy Grade C6H9N3O3 Top Purity Senwayer

    1 20' Fcl Oct 28, 2023
    United States

    6-Diazo-5-oxo-L-norleucine

    1 KG Sep 1, 2025
    Uzbekistan

    6-DIAZO-5-OXO-L-NORLEUCINE

    1 KG May 29, 2025
    United States

    6-DIAZO-5-OXO-L-NORLEUCINE

    12 MT Nov 18, 2024
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