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Catalog Number: (89234-744)
Supplier: VWR International
Description: Quickly change tube sizes with this adaptable polypropylene rack.


Supplier: Avantor Fluid Handling
Description: Optimize performance of your Masterflex® I/P® pump heads.

Catalog Number: (89428-952)
Supplier: VWR International
Description: Glass components of this unit are manufactured from borosilicate 3.3 glass.

Catalog Number: (103006-184)
Supplier: Anaspec Inc
Description: Proinsulin C-peptide is the sequence of C peptide as it exists within proinsulin, the precursor to insulin which consists of insulin A chain, insulin B chain and C peptide (connecting peptide). In proinsulin, C peptide provides a means to ensure correct folding and assembly of the A and B chains. It is eventually cleaved away by proteases PC2, PC1/3 and CPE, at the flanking Arg-Arg and Lys-Arg basic residues (Arg-Arg-C peptide-Lys-Arg). Although C peptide is not present in mature insulin, it is stored in secretory granules, and eventually released into the bloodstream together with insulin in nearly equimolar amounts. Whereas insulin is metabolized quickly from circulation, C-peptide exhibits a slow turnover rate (>30 minutes). The measurement of the C-peptide is an important test for the β-cell function. In the red blood cells of type 2 diabetic patients, Na+,K+, ATPase activity is strongly related to blood C-peptide levels. C-peptide signal transduction in human renal tubular cells involves the activation of phospholipase C and PKC-δ and PKC-varepsilon, as well as RhoA, followed by phosphorylation of ERK1/2 and JNK and a parallel activation of Akt. C-peptide shows specific binding to a G-protein-coupled membrane binding site, resulting in Ca2+ influx, activation of mitogen-activated protein kinase signalling pathways and stimulation of Na+, K+ ATPase and endothelial nitric oxide synthase.
Sequence: RREAEDLQVGQVELGGGPGAGSLQPLALEGSLQKR
MW: 3617 Da
% Peak area by HPLC: 95
Storage condition: -20° C


Catalog Number: (76399-396)
Supplier: Avantor
Description: Precision-machined stainless steel nuts and ferrules.


Supplier: Avantor Fluid Handling
Description: Get the most our of your Masterflex® Pump Head with these replacement parts.

1 year warranty

Catalog Number: (470146-024)
Supplier: Avantor
Description: We’ve assembled this special Fossil Study Pack to make your classroom activities on ancient life both rewarding and more cost effective.


Supplier: VWR International
Description: Scoops are ideal for the sampling of powder, granules and pastes.
Supplier: VWR International
Description: These neoprene crucible holders are tapered, collar-type holders.

Supplier: VWR International
Description: These disposable tissue grinders are safe and easy to use.
Catalog Number: (470146-020)
Supplier: Avantor
Description: We’ve assembled this special Fossil Study Pack to make your classroom activities on ancient life both rewarding and more cost effective.


Supplier: Ace Glass
Description: Complete reaction assembly with all parts needed for immediate operation

Small Business Enterprise Product available on GSA Advantage®

Catalog Number: (58949-700)
Supplier: VWR International
Description: Disposal boxes are shipped flat and fold into shape easily.

Catalog Number: (89428-970)
Supplier: VWR International
Description: This unit is supplied with a 300 ml graduated funnel, an anodized aluminum clamp, and a 1000 ml flask.

Catalog Number: (470146-010)
Supplier: Avantor
Description: We’ve assembled this special Fossil Study Pack to make your classroom activities on ancient life both rewarding and more cost effective.


Supplier: Restek
Description: Needle Assembly Model 1100 for HPLC Systems

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is currently unavailable but limited stock may be available in our extended warehouse network. Please call 1-800-932-5000 and a VWR Customer Service Representative will help you.
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