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Quercetin dihydrate

ROTI®Star Primary Standard
Icon_EVE-EUD Please consider that this product might be liable to some legal sanctions as for example to obtain an end user declaration or the prohibition of some applications. For details please do contact your counterpart in our sales department!
Examples of effect: In smaller quantities, lead to immediate serious damage to health or death. Safety: Do not inhale, touch or swallow. Wear work safety equipment. Call a poison control centre or doctor immediately. Recovery position.
Danger
H301
i toxic if swallowed
P270 P308+P313
i do not eat, drink or smoke when using this product, IF exposed or concerned: Get medical advice/attention
Related products
Pack Qty.
Pack.
Sophoretin, Meletin
Empirical formula C15H10O7 · 2 H2O
Molar mass (M) 338,27 g/mol
Melting point (mp) 310 °C
ADR 6.1 III
WGK 1
CAS No. [6151-25-3]
EG-Nr. 204-187-1
UN-Nr. 2811


Type analysis

€759.00/Pack Qty. 

excl. VAT. | 50 mg per Pack Qty.

Art. No. NE27.1

Available at short notice
from 6 Pack Qty. €721.05/Pack Qty.
from 24 Pack Qty. €683.10/Pack Qty.
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Quercetin dihydrate
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NE27.1 50 mg glass €759.00
Available from stock Karlsruhe
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General information

Primary Standards

ROTI®Star Primary Standards for pharmaceutical and food analysis

ROTI®Star Primary Standards are extensively characterised by the analytical methods listed below and are supplied with a Primary Standard Certificate.

The certificate contains:

  • Proof of identity with spectra, e.g. 1H NMR, 13C NMR, MS, UV
  • Content determined with two independent validated methods, e.g. chromatographic purity and quantitative NMR
  • Content of residual solvent determined with two different validated GC methods
  • Water determination by Karl Fischer titration


Reference Standards

The reference standards are offered as powders with good flowability and crystallinity to guarantee efficient handling in the laboratory. All products of this product line are filled in brown glass vials with screw caps and are packed in foil bags. This packaging provides optimum protection against environmental influences, even when stored over a long period of time. The reference standards are delivered as “ready-to-use” portions and are stored under controlled conditions.


Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

Assay (HPLC)≥95,0 %  
Residual solvents (GC)≤1,0 %  
Water (KF)≤15,0 %  
Assay (qNMR)≥85,0 %  
Proof of identity by 1H NMR, 13C NMR, MS, UV.
The certificate includes all results of analytical tests and validations.

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