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Rutin

Inquiry
  Post Date: Aug 26,2017
  Expiry Date: Feb 22,2018
  Detailed Description: Cas No. :153-18-4 1) NF11

Appearance: yellow to greenish yellow crystalline powder
Identification: (A), (B), (C), (D), ( E ) positive reactions
Assay: 95.0%min
Loss on drying: 5.5-9.0%
Residue on ignition: 0.5%max
Chlorophyll: 0.004%max
Red pigment: 0.004%max
Quercetin: 0.5%max

Microbiological tests:

Total plate count/1g: 1000max
Yeast and mould/1g: 100max
E. Coil/1g: Absence

Package: 25kg/ fibre drum

2) EP9

Appearance: Yellow or greenish-yellow powder

Identification:

First identification: B
Second identification: A. C. D
-A (UV/ Vis absorption of methanol solution between 210nm and 450nm ) ---- 2maxima at 257nm and 358nm , specific absorbance at 358nm is 305-330nm
-B (IR) ---- Comparison : rutoside trihydrate CRS
-C (TLC) --- Principle spot is similar to that of reference solution
-D ---- Dissolve 10mg in 5ml of alcohol R, add 1g of Zn R and HCL R1, red color develops

Assay: 95.0%~101.0%
( anhydrous substance, Titration with 0.1M N(C4H9)4OH )

Tests:

Light-absorbing mpurities, at wave ength between 450nm and 800nm: 0.10max
Substances insoluble in methanol: 3.0%max

Related substances:

Impurity A: Isoquercitroside : 2.0%max
Impurity B: Kaempferol-3-rutinoside: 2.0%max
Impurity C: Quercetin: 2.0%max
Any other impurity: 0.1%max
Total: 4.0%max

Moisture: 7.5-9.5%
Sulphated ash: 0.1%max

Residual solvents:

Methanol: 3000ppm
Acetone: Absence
Propyl alcohol: Absence

Package: 25kg/ fibre drum

  CAS Registry Number:

153-18-4
  Synonyms: ;C.I. 75730;(+)-Rutin Hydrate;Quercetin-3-rutinoside;Vitamin P;2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-chromen-3-yl 6-O-(6-deoxyhexopyranosyl)hexopyranoside;2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-chromen-3-yl 6-O-(6-deoxy-alpha-L-mannopyranosyl)-D-glucopyranoside;Rutin NF12;Rutin extract;
  Molecular Formula: C27H30O16
  Molecular Weight: 610.5175
  Molecular Structure: 153-18-4 Rutin
  Safety Description: S24/25:;

  Company: Wuhan Kemi-Works Chemical Co., Ltd     [ China ]          
  Contact: Dr. Allen Zhang
  Tel: 86-27-85736489
  Fax: 86-27-85736485
  Email: sales@kemiworks.com; info@kemiworks.net
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