Molar mass (M) 270,23 g/mol
Melting point (mp) 350 °C
CAS No. [520-36-5]
excl. VAT. | 10 mg per Pack Qty.
Art. No. NE37.1
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|pKa (at 25 °C)||≥95 %|
|pKa (at 25 °C)||≥90 %|
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ROTI®Star Primary Standards for pharmaceutical and food analysis
They come with a certificate which 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
|Assay (HPLC)||≥95,0 %|
|Residual solvents (GC)||≤3,0 %|
|Water (KF)||≤2,0 %|
|Assay (qNMR)||≥90,0 %|
|Proof of identity by 1H-NMR, 13C-NMR, MS, UV. |
The certificate includes all results of analytical tests and validations.