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4-Hydroxybenzoic acid methyl ester

ROTI®Star Primary Standard
i harmful to aquatic life with long lasting effects
i avoid release to the environment
Produkty pokrewne
Pack Qty.
Methylparaben, Methyl-p-hydroxybenzoate
Empirical formula C8H8O3
Molar mass (M) 152,15 g/mol
Density (D) 1,38 g/cm³
Boiling point (bp) 280 °C
Melting point (mp) 128 °C
CAS No. [99-76-3]
EG-Nr. 202-785-7

Type analysis

759,00 €/op. 

plus VAT | 100 mg za op.

Nr kat. NE10.1

Dostępny krótkoterminowo
od 6 op. 721,05 €/op.
od 24 op. 683,10 €/op.
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4-Hydroxybenzoic acid methyl ester
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Nr kat. Pack Qty. Pack. Cena Ilość
NE10.1 100 mg glass 759,00 €
Dostępny z magazynu w Karlsruhe
Dostępny krótkoterminowo
Data dostawy obecnie nieznana
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Informacje ogólne

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.

Świadectwa jakości

Tu możesz wyszukać i pobrać świadectwo jakości wybranego produktu. Wpisz numer serii.
Znaleziono następujące świadectwa jakości:

Type analysis

Assay (HPLC)≥98,0 %  
Residual solvents (GC)≤1,0 %  
Water (KF)≤2,0 %  
Assay (qNMR)≥95,0 %  
Proof of identity by 1H NMR, 13C NMR, MS, UV.
The certificate includes all results of analytical tests and validations.

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