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protocatechuic acid

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  Post Date: May 02,2017
  Expiry Date: May 02,2018
  Detailed Description: Cas No. :99-50-3 Payment Method: T/T
English Name： protocatechuic acid
Molecular Formula: C7H6O4
Molecular Weight: 154.12
C A S: 99-50-3
Purity: HPLC≥98%
Appearance: white needle crystal
Storage: 2-8°C，keep container tightly closed in a dry place, out of sunlight
Solubility: Soluble thermal water, alcohol, diethyl ether and acetone, slightly soluble in cool water, benzene and chloroform, insoluble in chloroform. Degradation in boiling water.
Package: 10g 20g 50g 100g, or customized.
Melting Point: 200℃
Source: Leaf of Stenoloma chusanum(L.)Ching
Pharmacological Effect: Bacteriostat
Application: All our products are for research and lab only. Injecting, eating and other ways are forbidden.
Test Condition: mobile phase：methanol-0．1％ phosphoric acid solvents(10：90)； Test Wavelength: 260nm （for reference）
We have mature technology of purification and separation as follow: series of licorice, ginseng, scurfpea fruit, tripterygium wilfordii, ginkgo, astragalosides, radix scutellariae, radix bupleuri, spaina date seed, rhizoma paridis, fructus schisandrae, radix et rhizoma rhei, danshen root, thinleaf milkwort root-bark, etc.

Welcome here: http://www.scvictorydzp.com/english/

Sichuan Weikeqi Biological Technology Co., Ltd.

  CAS Registry Number:

99-50-3
  Synonyms: ;Protocatechuic acid;3,4-Dihydroxy benzoic acid;CATECHOL-4-CARBOXYLIC ACID;3,4-Dihydroxybenzoic acid N-HYDRATE;3,4-DIHYDROBENZOIC ACID;AKOS 220-70;RARECHEM AL BO 0347;PROTOCATECHUIC ACID N-HYDRATE;cyclohexa-1,5-diene-1-carboxylic acid;3,4-dihydroxybenzoate;
  Molecular Formula: C7H5O4
  Molecular Weight: 153.1127
  Molecular Structure: 99-50-3 3,4-Dihydroxybenzoic acid
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S37/39:;

  Company: Sichuan Weikeqi Biological Technology CO., LTD     [ China ]        
  Contact: cissy lee
  Tel: +86-028-81700200
  Fax: +86-028-81705658
  Email: scwkqlql@scdzp.com
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