Przewalskinic acid A

Przewalskinic acid A
Product Name Przewalskinic acid A
CAS No.: 136112-75-9
Catalog No.: CFN90812
Molecular Formula: C18H14O8
Molecular Weight: 358.3 g/mol
Purity: >=98%
Type of Compound: Phenols
Physical Desc.: Powder
Source: The roots of Salvia miltiorrhiza Bge.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price: $338/5mg
Przewalskinic acid A is a rare, water-soluble, and highly biologically active ingredient found, thus far, only in the Salvia przewalskii Maxim herb.
Inquire / Order: manager@chemfaces.com
Technical Inquiries: service@chemfaces.com
Tel: +86-27-84237783
Fax: +86-27-84254680

Address:
1 Building, No. 83, CheCheng Rd., Wuhan Economic and Technological Development Zone, Wuhan, Hubei 430056, PRC
Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
  • Int Immunopharmacol.2021, 101(Pt A):108181.
  • Nat Commun.2021, 12(1):681.
  • The Journal of Korean Medicine2022, 43(3): 79-93.
  • Biology (Basel).2020, 9(11):363.
  • Molecules.2021, 26(9):2802.
  • Front Immunol.2018, 9:2091
  • Korean J. Food Preserv. 2021, 28(6):846-856.
  • Spectrochim Acta A2019, 210:372-380
  • Research Square2021, March 3rd.
  • Nutrients.2020, 12(12):3638.
  • Gambogenic acid

    Catalog No: CFN92097
    CAS No: 173932-75-7
    Price: $218/20mg
    (+)-Epipinoresinol

    Catalog No: CFN92288
    CAS No: 24404-50-0
    Price: $338/5mg
    Cantharidin

    Catalog No: CFN99790
    CAS No: 56-25-7
    Price: $40/20mg
    Isorhynchophylline

    Catalog No: CFN96197
    CAS No: 6859-01-4
    Price: $138/20mg
    Laricitrin

    Catalog No: CFN70400
    CAS No: 53472-37-0
    Price: Inquiry(manager@chemfaces.com)
    J Ind Microbiol Biotechnol. 2014 May;41(5):887-92.
    Preparation of przewalskinic acid A from salvianolic acid B using a crude enzyme from an Aspergillus oryzae strain.[Pubmed: 24615145 ]
    Przewalskinic acid A is a rare, water-soluble, and highly biologically active ingredient found, thus far, only in the Salvia przewalskii Maxim herb; however, the content in S. przewalskii herb is very low.
    METHODS AND RESULTS:
    In order to obtain useful quantities of Przewalskinic acid A, the biotransformatin of salvianolic acid B from Salvia miltiorrhiza root (danshen in Chinese) into Przewalskinic acid A was studied using a crude enzyme produced from Aspergillus oryzae D30s strain. The crude enzyme from the A. oryzae strain hydrolyzed salvianolic acid B into Przewalskinic acid A and danshensu. The preparation afforded 31.3 g Przewalskinic acid A (91.0 % purity) and 13.1 g danshensu (95 % purity) from 75 g salvianolic acid B. The preparation of Przewalskinic acid A was therefore very successful with a yield of over 86 %, but the yield of danshensu was only 33 %.
    CONCLUSIONS:
    The product Przewalskinic acid A was identified using ultra-performance liquid chromatography-mass spectrometry (UPLC-MS) and NMR.
    Cyclocurcumin

    Catalog No: CFN95103
    CAS No: 153127-42-5
    Price: $338/10mg
    3-O-[5'''-O-feruloyl-beta-D-apiofuranosyl(1'''->2'')-beta-D-glucopyranosyl] rhamnocitrin

    Catalog No: CFN95154
    CAS No: 148210-00-8
    Price: $413/5mg
    (E)-6-O-(p-coumaroyl)scandoside methyl ester

    Catalog No: CFN95192
    CAS No: 83946-90-1
    Price: $218/10mg
    2-Methoxyfuranoguaia-9-ene-8-one

    Catalog No: CFN95220
    CAS No: 88010-62-2
    Price: $318/10mg
    New compound 14

    Catalog No: CFN95381
    CAS No: N/A
    Price: $413/5mg
    Citrusin C

    Catalog No: CFN95420
    CAS No: 18604-50-7
    Price: $318/10mg
    Oblonganoside D

    Catalog No: CFN95460
    CAS No: 943021-91-8
    Price: $318/5mg
    6-Methoxyfraxinellone

    Catalog No: CFN95485
    CAS No: N/A
    Price: $318/10mg
    Oxytroflavoside F

    Catalog No: CFN95489
    CAS No: 1391144-85-6
    Price: $318/5mg
    12beta-Acetoxy-7beta-hydroxy-3,11,15,23-tetraoxo-5alpha-lanosta-8,20-dien-26-oic acid

    Catalog No: CFN95515
    CAS No: 1245946-62-6
    Price: $318/5mg