Jump to content Jump to navigation menu

L-Cysteine, 50 g, glass

≥98 %, for biochemistry
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
i harmful if swallowed
i IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell
Pack Qty.
L-α-Amino-β-mercapto-propionic acid
Empirical formula C3H7NO2S
Molar mass (M) 121,16 g/mol
Density (D) 1,496 g/cm³
Melting point (mp) 228 °C
CAS No. [52-90-4]
EG-Nr. 200-158-2

Guarantee analysis

€30.50/Pack Qty. 

excl. VAT. | 50 g per Pack Qty.

Art. No. 3467.2

Available at short notice
Free of shipping costs from 125 €
from 6 Pack Qty. €28.98/Pack Qty.
from 24 Pack Qty. €27.45/Pack Qty.
Carl Roth subscription service

Now recurring orders conveniently delivered as a subscription!

With the new Carl Roth Replenishment Service you can let products be ordered automatically which you need regularly in your lab!

How it works:

Put all products for your subscription in the desired quantity in the basket.


In the shopping cart, select the option "Order shopping cart as subscription" Order as subscription.


Set Starty point and interval for your subscription and submit order!

By the way: Through your account you can customize or delete your subscriptions anytime.

Personal technical advice on this product
Dr Belenki
Dr Belenki
+49 721 5606 - 1096
Selected quantity:   0
  1. Subtotal:  0.00
Order No. Pack Qty. Pack. Price Quantity
3467.1 10 g glass €15.50
3467.2 50 g glass €30.50
3467.3 250 g plastic €113.50
In stock
Available at short notice
Not available
Delivery date currently unknown
Selected quantity:   0
  1. Subtotal:  0.00


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  
Appearance of solutionclear and colorless  
Assay98,0-101,0 %  
Specific rotation [α]a+8,3° to +9,5°  
Loss on drying≤0,5 %  
Ash content (as SO4)≤0,05 %  
Foreign amino acidscomplies  
Chloride (Cl)≤0,04 %  
Sulphate (SO4)≤0,028 %  
Ammonium (NH4)≤0,02 %  
Arsenic (As2O3)≤0,0001 %  
Iron (Fe)≤0,001 %  
Heavy metals (as Pb)≤0,001 %  

0 Reviews

0.0 out of five stars