Advanced Search


By Amresco

Storage Condition: ROOM TEMPERATURE

CAS Number: 57-13-6

Synonym(s): carbamide, carbamimidic acid, pseudourea

Molecular Weight: 60.06

Molecular Formula: CH4N2O

Risk Statements: 36/37/38

Safety Statements: 36/37/39

Hazard Code: irritant

  • Effectively denatures RNA
  • For use in nucleic acid electrophoresis applications

Commonly used to denature nucleic acids for electrophoresis and to study the secondary and tertiary structure of proteins. Effective for maintaining DNA in a highly denatured state during sequencing protocols, Amresco's urea is also useful for accelerating the activity of Proteinase K digestions.

Heavy Metals (as Pb) 0.0005%
Identification (P/F) Pass
Insolubles 0.005%
Iron 0.0001%
Melting Point 132 - 135°C
Protease (P/F) None
Purity 99.5%
RNase (P/F) None
Solubility (5M, Water) Pass
Abs.@ 280nm (5M, Water) 0.05
Biuret Test (P/F) Pass
Chloride 0.0005%
Conductivity (5M, Water) 15 umhos
Cyanate 0.002%
DNase (P/F) None

Cat.No. Size Grade EA    
1328-0568-100G 100g Ultra Pure DISCONTINUED  
1328-0568-500G 500g Ultra Pure DISCONTINUED  
1328-0568-1KG 1kg Ultra Pure DISCONTINUED  
1328-0568-2.5KG 2.5kg Ultra Pure DISCONTINUED  
1328-0568-5KG 5kg Ultra Pure DISCONTINUED  
1328-0568-10KG 10kg Ultra Pure DISCONTINUED  
1328-0568-12KG 12kg Ultra Pure DISCONTINUED  

The following items have been added to your cart:

Choose a favorite list for this item:

Catalog Number Description Price

Request Literature

Please fill out the form below if you want to request literature from Krackeler Scientific.


Quick Order

* Required

New Year Price Updates

We are currently working diligently to update our website pricing information for the New Year. If you place an order, you will be acknowledged with any corrected pricing. If you'd like the most current information sooner, please don't hesitate to drop us an email or give us a call and we'd be happy to assist. Thank you for your patience while we are updating.


Play Video

To Request a Quote

  1. Search or Browse for items and add to them to your Shopping Cart.
  2. Click the "Request Quote" button at the bottom of the Shopping Cart page.
  3. Fill out required fields.
  4. Optionally you can convert to standard checkout mode by choosing a payment type.
  5. Click "Request Quote" at the bottom of the page.

You will be contacted with a quote.

To Order From a Quote

  1. Register and login to the website.
  2. Receive a quote from your sales representative or customer service.
  3. Have your copy of the quote in hand.
  4. Visit our quote module to search for your quote.
Back to Top