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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > L-Proline for Sale > China Factory Supply L-Proline Powder
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China Factory Supply L-Proline Powder

35 Inquiries

Unit Price:

$5-5.2/KG FOB

Get Latest Price
CAS No.:

147-85-3

Grade:

Food Grade

Content:

99%

Port:

Shanghai

Brand:

ONERBIO

Packaging:

25kg/drum

Price valid (until):

2026-08-27

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

Nutrition supplement material,Pharmaceutical raw material,Chemical raw material

  • Product Description

  • Seller Information

  • History Price

  • Inquiry History

  • Description

    Product Name: L-Proline
    CAS: 147-85-3
    MF: C5H9NO2
    MW: 115.13
    EINECS: 205-702-2
    Appearance: White powder





    Test Items

    Specifications

    Results

    Appearance

    Almost white powder

    conform

    Solubility

    Soluble in water and in isotonic solutions, practically insoluble in organic solvents

    Conform

    Identification A

    Positive

    Conform

    Identification B

    Positive

    Conform

    Appearance of solution

    Solution is clear

    conform

    Absorbance

    A 0.80

    0.62

    Aprotinin oligomers

    1.0%

    0.72%

    Loss on drying

    6.0 % (0.100 g , drying in vacuo)

    5.2%

    Purity

    98%

    99.62%

    PH

    5.0 -7.0  

    6.0

    Bacterial endotoxins

    0.14 EU/ Ph.Eur.U.

    Conform

    Abnormal toxicity

    Non toxic (2 Ph.Eur.U. / ml , 0.5 ml)

    Conform

    Pyrogens

    Absent at 15Ph.Eur.U./ kg / rabbit

    Conform

    Microbial Limit

    TAMC : 100  CFU/1g

    TYMC : 10  CFU/1g

    Conform

    Enterobacterias resistant to bile , Pseudomonas aeruginosa and Staphylococcus aureus should be absent in 1g .

    Conform

    Conclusion

    Comply to EP 8.0


    L-Proline is used as asymmetric catalysts in organic synthesis and asymmetric aldol cyclization. It is involved in the Michael addition of dimethyl malonate to alfa-beta-unsaturated aldehydes. It is a precursor of hydroxyproline in collagen. It is an active component of collagen and involved in the proper functioning of joints and tendons. It finds uses in pharmaceutical, biotechnological applications due to its osmoprotectant property. Further, it is used with ninhydrin in the chromatography.

    Basic Info
    Product Name:

    L-Proline

    Other Name:

    L-Proline;Proline,L-;Proline;L-(-)-Proline;2-Pyrrolidinecarboxylic acid,(S)-;(S)-(-)-Proline;2-Pyrrolidinecarboxylic acid;(-)-Proline;(S)-Proline;(S)-2-Pyrrolidinecarboxylic acid;(-)-2-Pyrrolidinecarboxylic acid;L-Pyrrolidine-2-carboxylic acid;L-α-Pyrrolidinecarboxylic acid;Carboxypyrrolidine;NSC 46703;(S)-2-Carboxypyrrolidine;(2S)-Pyrrolidine-2-carboxylic acid;21: PN: WO2021055880 SEQID: 22 claimed protein;7005-20-1;95650-41-2;1150316-19-0

    CAS No.:

    147-85-3

    Molecular Formula:

    C5H9NO2

    InChIKeys:

    InChIKey=ONIBWKKTOPOVIA-BYPYZUCNSA-N

    Molecular Weight:

    115.13000

    Exact Mass:

    115.13

    EC Number:

    205-702-2

    HScode:

    2933990090

    Characteristics
    PSA:

    49.33000

    XLogP3:

    -2.5

    Appearance:

    Solid

    Density:

    1.4063 g/cm3 @ Temp: 45.00 °C

    Melting Point:

    220-222 °C (decomp)

    Boiling Point:

    252.2ºC at 760 mmHg

    Flash Point:

    106.3ºC

    Refractive Index:

    -85 ° (C=4, H2O)

    Water Solubility:

    H2O: soluble

    Storage Conditions:

    Store at RT.

    Vapor Pressure:

    0.00615mmHg at 25°C

    Specific rotation:

    SPECIFIC OPTICAL ROTATION: -80.9 DEG @ 20 °C/D (WATER, 1%); SADTLER REF NUMBER: 1905 (IR, PRISM)

    Odor:

    Odorless

    Taste:

    Sweet

    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

    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

    Keep container tightly closed in a dry and well-ventilated place. Storage class (TRGS 510): Non Combustible Solids.

  • Seller Information
    Business Type:

    Distributor

    Main Products:

    Nutrition supplement material,Pharmaceutical raw material,Chemical raw material

    Location:

    Changqing 5th Road, Jianghan District

    Payment Terms:

    TT against copy of documents

    Average lead Time:

    5

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    5-10

    Year of Establishment:

    2020

    Wuhan Oner Biotech Co.,Ltd. located in the popular city of Wuhan, specilize in producing and developing pharmaceutical & its intermediates, Cosmetics Raw Material and Intermediate, food additive, Plant extracts,and in distributing the products of our own company. We serves our clients by supplying high-quality.These products are manufactured in ISO 9001 certified plants and have continuously been passing quality inspection by CIQ (China Entry & Exit Inspection and Quarantine Bureau),100% pass rate. Our company has professional staff who deal with chemical R&D and scientific management, and holds several sets of analyzing instruments with high efficiency and high sensitivity, such as HPLC, GC and Spectrophotometer. We have professional sales team, focus on quality and service, and we have achieved excellent performance over the years. Our company is committed to the development of international market , the products are mainly exported to many countries and regions, such as Europe, America, South-east Asia, the Middle East and Africa etc. With constant efforts and good service, We sincerely hope to establish long-term cooperation and common development with our customers.

  • Weekly Price

    The chart shows the price trend of the product in the past 12 months.

  • Inquiry History
    35 Inquiries
    Country Product Purchase Quantity Date Posted
    Israel

    L-Proline

    5 KG Feb 5, 2025
    India

    L-Proline

    1000.00 KG May 20, 2026
    India

    L- Proline

    5 KG Apr 9, 2025
    India

    L-Proline

    20.00 MT Dec 13, 2023
    India

    L Proline

    500.00 KG Jun 5, 2025
    India

    L-Proline

    1 MT Apr 23, 2025
    India

    L-Proline

    2.00 MT Feb 9, 2025
    India

    L -Proline

    1000 KG Aug 12, 2024
    Thailand

    L-Proline

    100 KG Jan 26, 2024
    United States

    L-Proline

    1000 KG Apr 22, 2026
    Greece

    PROLINE (Pro,P)

    700.00 KG Sep 24, 2025
    India

    L-Proline

    25.00 KG Mar 31, 2025
    India

    L Proline

    1 TON Nov 6, 2024
    Egypt

    L-proline

    2000 KG Jun 28, 2024
    India

    L-Proline

    500.00 KG Mar 20, 2024
    Egypt

    Proline acid

    1000 KG Dec 19, 2023
    Egypt

    L-prolin

    8000 KG Apr 10, 2025
    India

    L -Proline

    1000 KG Aug 14, 2024
    India

    L-PROLINE

    1 MT Aug 6, 2024
    India

    Sodium Hydroxide

    100.00 KG Feb 13, 2025
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