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L-Isoleucine, 10 g, glass

From  Carl ROTH
≥98,5 %, USP, for biochemistry
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2-Amino-3-methylvaleric acid
Empirical formula C6H13NO2
Molar mass (M) 131,18 g/mol
Density (D) 1,207 g/cm³
Melting point (mp) 286 °C
WGK 1
CAS No. 73-32-5
EG-Nr. 200-798-2


CHF 21.50/Pack Qty. 

excl. VAT. | 10 g per Pack Qty.

Art. No. 3922.1

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from 6 Pack Qty. CHF 20.42/Pack Qty.
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Product details



L-Isoleucine ≥98,5 %, USP, for biochemistry

Technical Information
Checked according to pharmacopoeia USP 
L-Isoleucine
Selected quantity:   0
  1. Subtotal:  0.00
Art. No. Pack Qty. Pack. Price Quantity
3922.1 10 g glass

CHF 21.50

3922.2 100 g plastic

CHF 67.80

3922.3 1 kg plastic

CHF 486.00

3922.4 500 g plastic

CHF 250.80

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Selected quantity:   0
  1. Subtotal:  0.00

Downloads / MSDS


General information

Amino acids

Our amino acids are of the highest purity and suitable for a broad range of applications in biochemistry. Besides the natural occurring L-amino acids, we offer a selection of unnatural D-amino acids and DL-amino acids.


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:

Guarantee analysis

Appearancewhite cryst. powder
Assay (dry substance)98.5-101.0 %
Identitycomplies
Specific rotation [α]20D+39.5° to +41.5°
pH-value5.5-6.5
Ammonium (NH4)≤0.02 %
Chloride (Cl)≤0.02 %
Sulphate (SO4)≤0.02 %
Iron (Fe)≤0.001 %
Heavy metals (as Pb)≤0.001 %
Foreign amino acidscomplies
Related substances (individual)≤0.5 %
Related substances (total)≤2 %
Loss on drying≤0.2 %
Sulphated ash≤0.1 %